Sony BRAVIA DAV-HDX275 User manual

SERVICE MANUAL
Published by Sony Techno Create Corporation
Sony Corporation
DAV-HDX275/HDX277WC/HDX279W/
HDX475/HDX576WF/HDX675
DVD HOME THEATRE SYSTEM
9-887-990-01
2008B05-1
© 2008.02
US Model
DAV-HDX275/HDX277WC/
HDX279W/HDX576WF
Canadian Model
DAV-HDX475/HDX675
E Model
Australian Model
DAV-HDX275
Ver. 1.0 2008.02
• DAV-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/
HDX675 are composed of the following models.
As service manuals are issued for each component model, please
refer to them.
Audio Business Group
SPECIFICATIONS
COMPONENT MODEL NAME
DAV-HDX275 DAV-HDX
277WC DAV- HDX279W DAV-HDX475 DAV-HDX 576WF DAV-HDX675
DVD Receiver HCD-HDX275 HCD-HDX
277WC HCD- HDX279W HCD-HDX475 HCD-HDX 576WF HCD-HDX675
Front Speaker SS-TS81 SS-TS81 SS-TS81 SS-TS82 SS-TS82 SS-TS82
Center Speaker SS-CT80 SS-CT80 SS-CT80 SS-CT80 SS-CT80 SS-CT80
Surround Speaker SS-TS80 SS-TS80 SS-TS80 SS-TS80 SS-TS80 SS-TS82
Subwoofer SS-WS82 SS-WS82 SS-WS82 SS-WS82 SS-WS82 SS-WS82
Surround amplifier – – TA-
SA100WR –TA- SA100WR –
S-AIR Receiver – AIR-SA10 – – AIR-SA10 –
DIGITAL MEDIA
PORT adapter TDM-iP10 TDM-iP10 TDM-iP10 TDM-iP10 TDM-iP10 TDM-iP10
Note 1: TDM-iP10 is attached only to the North American models.
Note 2: As for TDM-iP10, the part number has been described to this service manual.
General
Power requirements Unpacking • Front spekers (2)
• Center speker (1)
• Surround spekers (2)
• Subwoofer (1)
• AM loop antenna (aerial) (1)
• FM wire antenna (aerial) (1)
• Speaker cords (6, red/white/green/gray/blue/purple)
• Video cord (1)
• Remote commander (remote) (1)
• R6 (size AA) batteries (2)
• Calibration mic (1)
• Foot pads (1 set)
• Posts (2: HDX475/HDX576WF, 4: HDX675)
• Bases (2: HDX475/HDX576WF, 4: HDX675)
• Mounting plates (2: HDX475/HDX576WF, 4: HDX675)
• Post covers (2: HDX475/HDX576WF, 4: HDX675)
• Screws (large, with washer) (4: HDX475/HDX576WF, 8: HDX675)
• Screws (small) (6: HDX475/HDX576WF, 12: HDX675)
• Surround amplifier (1) (HDX279W/HDX576WF)
• Speaker cord cover (1) (HDX279W/HDX576WF)
• Speaker cord holder (1) (HDX279W/HDX576WF)
• Wireless transceiver for the unit (1: HDX277WC, 2: HDX576WF)
• DIGITAL MEDIA PORT adapter (TDM-iP10) (1)
(North American models only)
• Operating Instructions
• Speaker and TV connections (card)
• S-AIR recevier (AIR-SA10) (1) (HDX277WC/HDX576WF)
• Wireless transceiver for the S-AIR receiver (AIR-SA10) (1)
(HDX277WC/HDX576WF)
• Operating Instructions of the S-AIR receiver (AIR-SA10)
(HDX277WC/HDX576WF)
Power consumption
HCD-HDX275/HDX277WC/HDX475/HDX675
On: 165 W
North American models: 120 V AC, 50/60 Hz
Other models: 220 V - 240 V AC, 50/60 Hz
Standby: 0.3 W (at the
Power Saving mode)
HCD-HDX279W/HDX576WF
On: 125 W
Standby:0.3W(atthe
Power Saving mode)
Output voltage (DIGITAL MEDIA PORT)
DC 5 V
Output current (DIGITAL MEDIA PORT)
700 mA
Dimensions (approx.) 430 mm × 85 mm × 420
mm (17 in × 3 3/8in ×
16 5/8in) (w/h/d) incl.
projecting parts
Mass (approx.) 5.2 kg (11 lb 8 oz)
Wireless transceiver (EZW-RT10)
(DAV-HDX277WC/HDX279W/HDX576WF only)
Communication system S-AIR Specification
version 1.0
Output 12.0 mW
Frequency band 2.4000 GHz - 2.4835 GHz
Modulation method DSSS
Power requirements DC 3.3 V, 350 mA
Dimensions (approx.) 50 mm × 13 mm × 60 mm
(2 in ×
h/d)
17/32 in × 2 3/8in) (w/
Mass (approx.) 24 g (1 oz)
Design and specifications are subject to change without notice.
– Refer to the following page for a parts list –

SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
SPECIFICATIONS
DVD RECEIVER
9-887-987-01
2008B05-1
© 2008.02
US Model
HCD-HDX275/HDX277WC/
HDX279W/HDX576WF
Canadian Model
HCD-HDX475/HDX675
E Model
Australian Model
HCD-HDX275
Ver. 1.0 2008.02
Model Name Using Similar Mechanism HCD-HDX265
DVD Mechanism Type CDM81C-DVBU101
Optical Pick-up Block Name KHM-310CAB or
KHM-313CAB
• HCD-HDX275 is the amplifier section, super
audio CD/DVD system, tuner section and
video section in DAV-HDX275.
• HCD-HDX277WC is the amplifier section,
super audio CD/DVD system, tuner section
and video section in DAV-HDX277WC.
• HCD-HDX279W is the amplifier section,
super audio CD/DVD system, tuner section
and video section in DAV-HDX279W.
• HCD-HDX475 is the amplifier section, super
audio CD/DVD system, tuner section and
video section in DAV-HDX475.
• HCD-HDX576WF is the amplifier section,
super audio CD/DVD system, tuner section
and video section in DAV-HDX576WF.
• HCD-HDX675 is the amplifier section, super
audio CD/DVD system, tuner section and
video section in DAV-HDX675.
HCD-HDX275/HDX277WC/HDX279W/
HDX475/HDX576WF/HDX675
Photo: HCD-HDX275
– Continued on next page –
This product incorporates copyright protection technology that is
protected by U.S. patents and other intellectual property rights.
Use of this copyright protection technology must be authorized by
Macrovision, and is intended for home and other limited viewing
uses only unless otherwise authorized by Macrovision. Reverse
engineering or disassembly is prohibited.
This system incorporates with Dolby* Digital and Dolby Pro Log-
ic (II) adaptive matrix surround decoder and the DTS** Digital
Surround System.
* Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic”, and the double-D symbol are trade-
marks of Dolby Laboratories.
** Manufactured under license from DTS, Inc.
“DTS” and “DTS Digital Surround” are registered trademarks
of DTS, Inc.
This system incorporates High-Definition Multimedia Interface
(HDMITM) technology.
HDMI, the HDMI logo and High-Definition Multimedia Interface
are trademarks or registered trademarks of HDMI Licensing LLC.
“BRAVIA” and are trademarks of Sony Corpora-
tion.
“S-AIR” and its logo are trademarks of Sony Corporation.
AUDIO POWER SPECIFICATIONS
for the US model
POWER OUTPUTAND TOTAL HARMONIC
DISTORTION:
With 3 ohms loads, both channels
driven, from 180 - 20,000 Hz; rated
84 watts per channel minimum
RMS power, with no more than
0.7% total harmonic distortion from
250 milli watts to rated output.
Amplifier Section (EXCEPT HCD-HDX279W/HDX576WF)
Surround mode (reference) RMS output power
FL/FR/C/SL/SR*: 143 watts (per
channel at 3 ohms, 1 kHz, 10%
THD)
Subwoofer*: 285 watts (at 1.5
ohms, 80 Hz, 10% THD)
Amplifier Section (HCD-HDX279W/HDX576WF)
Surround mode (reference) RMS output power
FL/FR/C*: 143 watts (per channel
at 3 ohms, 1 kHz, 10% THD)
Subwoofer*: 285 watts (at 1.5
ohms, 80 Hz, 10% THD)
* Depending on the decoding mode settings and the source,
there may be no sound output.
Inputs (Analog)
TV/VIDEO (AUDIO IN) (EXCEPT HCD-HDX576WF)
Sensitivity: 450/250 mV
TV (AUDIO IN) (HCD-HDX576WF)
Sensitivity: 450/250 mV
SAT/CABLE (AUDIO IN) (HCD-HDX576WF)
Sensitivity: 450/250 mV
AUDIO IN Sensitivity: 250/125 mV
Inputs (Digital)
TV/VIDEO (COAXIAL IN/OPTICAL IN) (EXCEPT HCD-
HDX576WF) Impedance: 75 ohms/-
TV (COAXIAL IN/OPTICAL IN) (HCD-HDX576WF)
Impedance: 75 ohms/-
Outputs (Analog)
Phones Accepts low- and high-impedance
headphones.
Super Audio CD/DVD System
Laser Semiconductor laser
(Super Audio CD/DVD: λ= 650
nm)
(CD: λ= 790 nm)
Emission duration: continuous
Signalformat system NTSC
Tuner Section
System PLL quartz-locked digital synthe-
sizer
FM tuner section
Tuning range
North American models: 87.5 MHz - 108.0 MHz (100 kHz
step)
Other models: 87.5 MHz - 108.0 MHz (50 kHz
step)
Antenna (aerial) FM wire antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
North American, Mexican, and Latin American
models:
530kHz - 1,710kHz (with the
interval set at 10kHz)
531kHz - 1,710kHz (with the
interval set at 9kHz)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
2828
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM - RF SERVO/VIDEO Section -
DQ0 – DQ7
HD0 – HD7
A-1,A0 – A20
HA0 – HA21
OPTICALPICK-UP
BLOCK
RFAMP, SERVO DSP,
MPEG DECODER,
HDMI TRANSMITTER
IC1101
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC1201
AUTOMATIC POWER
CONTROL (FOR CD)
Q1102-1
DVDRFIP
10
DVDA
6DVDB
7DVDC
8DVDD
9
RF
MA11 MB
12 MC
13 MD
14
VOA/A
VOB/B
VOC/C
VOD/D
TNI17VOE/E+G TPI18VOF/F+H
V2O28VC
LDO122LD (780)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q1102-2 LDO2
21LD (650)
FOO41
CD ON
SWITCH
Q1101-1
DVD ON
SWITCH
Q1101-2
VR (780)
MSW
LIMITSW
54 52
53
VR (650)
FCS+
MSW
MDI119 MDI2
20
PD
LIMIT
Q1103
XROMCSCE
SD-RAM
IC1104
X1101
27MHz
36
FCS– 37 1
TRO
40
TRK+ 35
TRK– 34 4
FMO
37
SL+ 29
SL– 30 10
DMO
36
SP+ 27
SP– 28
31
32
41
46
47
13
OP_INP
35
45
BCK
ABCK
226
ALRCK
223
ACLK
225
79, 80,
82 – 86, 89
29, 31, 33, 35,
38, 40, 42, 44
92, 77, 56 – 62, 74 – 67,
91, 63, 64, 75, 87
45, 25 – 18, 8 – 1,
48, 17, 16, 9, 10
DQ0 – DQ15
RD0 – RD15
A0 –A11
RA0 – RA11
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
121 – 119, 117 – 113,
129 – 122 140, 141, 143, 144, 155 – 150, 139, 149
23 – 26,
29 – 34, 22, 35
76
XTALI
239
26
XRDOE
78
28
XWRWE
66
11
RESET
12
BA0 BA0
137
20
BA1 BA1
138
21
DRCLK CLK
146
38
CKE CLKE
147
37
DQM0 LDQM
111
15
DQM1 UDQM
132
39
RAS /RAS
135
18
CAS /CAS
134
17
RCS /CS
136
19
RWE /WE
133
DIR_DO
231
16
• SIGNAL PATH
: CD/DVD PLAY
:AUDIO
:VIDEO
FOCUS
COILDRIVE
TRACKING
COILDRIVE
SLED
MOTOR DRIVE
SPINDLE
MOTOR DRIVE
REGULATOR
MUTE123MUTE123 157
19
MUTEMUTE34 158
20 TSD_MTSD-M 130
22
IOPMON
3940
8
PS 21
BUFFER
BUFFER
RF+3.3V
SDASDA
102
5
SCLSCL
101 112
6
EEWPWE
7
REGO2
REGO1
DVD_SOD IFSDO
32
97
DVD XIFCS xIFCS
37
99
51
DVD_SID IFSDI
31
M_ST
52
100
DVD_SCO IFSCK
33
98
DVD_XIFBUSY IFBSY
34
110
MTK_RST XSYSRST
38
V_SEL1
83
108
SYSTEM CONTROLLER
IC501 (1/5)
LRCK
MCK
D2
D3
D1
189
C
191
Y
183
B/Cb/Pb
185
Y/G
182
R/Cr/Pr
VIDEOAMP, 75 ohm DRIVER
IC404
10 CY IN
12 Cb IN
14 Cr IN
4CVBS IN
2C IN
6Y IN
3
MUTE1
13
MUTE2
5
YC_MIX
V_SEL0
82
KHM-310CAB
or
KHM-313CAB
J404
COMPONENT
VIDEO OUT
Y
PB/CB
PR/CR
J402 (1/2)
23
CVBS OUT
20
CY OUT
18
Cb OUT
16
Cr OUT
VIDEO OUT
FLASH ROM
IC1102
EEPROM
IC1103
XTALO
238
A
AUDIO_BUS
HDMI_BUS
D-2
D-4
C
D
F
XRST
204
ASDATA2
205
ASDATA1
203
ADIN(DATA)
DIR_AUDIO
202
ASDATA0
ASDATA3
DMPORT_VIDEO
(HCD-HDX576WF) (EXCEPT HCD-HDX576WF)
E
V_SEL2
TX0P
TX0N
TX1P
TX1N
TX2P
TX2N
TCKP
TCKN
HTPLG
174
173
177
176
179
171
170
DDC_DA
DDC_CLK
TX0P
TX0N
TX1P
TX1N
TX2P
TX2N
TCKP
TCKN
HPD
SDA
SCL
159
161
MC_DATA(ADIN) 206
162
180
222 BUFFER
IC4502
AUDIO SELECTOR
IC3003
1A
2B 6
A/B 5Y
B
VinL
14
13
VinR
BCK 7
LRCK 6
8
SCKI
A/D CONVERTER
IC707
9DOUT M
AUDIO1
R-CH
DIGITALAUDIO
INTERFACE RECEIVER
IC702
DO (O)
35 36
DI (I) CL(I)
38
CE (I)
3714
BCK (O) LRCK (O)
15
CKOUT (O)
13
CSFLAG (O)
25
ERROR (O)
34
XSTATE (O)
17
XMODE (I)
48
DIR_DI
230
DIR_CL
227
DIR_CE
221
SPBCK
200
SPLRCK
201
SPMCK
198
DIR_CSFLAG
214
DIR_ERROR
DIR_XSTATE
198
5DIN2 (I)
OPTICAL
RECEIVER
IC301
TV
DIGITAL IN
OPTICAL
TV
DIGITAL IN
COAXIAL
TV/VIDEO
DIGITAL IN
OPTICAL
TV/VIDEO
DIGITAL IN
COAXIAL
J302
4DIN1 (I)
WAVE
SHAPER
IC302
XIN (I)
22
XOUT (O)
21
X701
12.288MHz
16 DATA(O)
24 AUDIO- (O)
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HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
2929
6-2. BLOCK DIAGRAM - CHANGER/HDMI/DMPORT Section -
TX0P
TX0N
TX1P
TX1N
TX2P
TX2N
TCKP
TCKN
7TMDS DATA0 +
HDMI OUT
9TMDS DATA0 –
4TMDS DATA1 +
6TMDS DATA1 –
1TMDS DATA2 +
3TMDS DATA2 –
10 TMDS CLOCK +
12 TMDS CLOCK –
16 SDA
15 SCL
18 +5V POWER
19 HPD
HPD
CN1701
5RXD
6TXD
7DET
13 Lch
14 RchR-CH
17 VIDEO
CN204
DMPORT
LEVELSHIFT
IC1705
LINEAMP
IC202
LEVELSHIFT
Q1701
13 CEC
+5V
REGULATOR
IC1707
SW+9V
SDA
SCL
CHDMI BUS
DMPORT_VIDEO
G
D
DMPORT_L
F
XRST
IO_DI
P0FIN
CHANGER CONTROL
IC650
247P1RIN 23
OUT1
4OUT2
2 9
LD/ST MOTOR DRIVER
IC701
M761
(LD/ST MOTOR)
D SENSOR
IC751
(ST U/D)
ROTARY
ENCODER
S781
M
P4FIN 207P5RIN 19
P8
12
OUT1
4OUT2
2 9
BU U/D MOTOR DRIVER
IC711
M762
(BU U/D MOTOR) M
S761 (SUB TRAY OUT)
P11
9
S731 (SUB TRAY IN)
S721 (MAIN TRAY IN/OUT)
P10
10
P911
P12
IN
OPEN 8
86
DMPORT_TX_OUT 30
DMPORT_RX_IN 29
DMPORT_DET 89
DI1
26
IO_CLK 88 CLK3
IO_CE 84 LATCH4
IO_RESET 85
DO1 15
DO2 25
CLKO 14
LATCHO 13
RESET_B
2
CEC_TX_OUT 22
CEC_RX_IN 3
HDMI_PCONT 63
IO-DO 87
CHANGER CONTROL,
AUDIO/VIDEO CONTROL
IC651
DI1
26 DI2
16
CLK
3LATCH
4RESET_B
2
DISC SENSOR
Q751
DO2 25
9 – 12
P11 – P8
(MD)
ROTARY
ENCODER
S771
5 – 8
P15 – P12
SYSTEM
CONTROLLER
IC501 (2/5)
• SIGNAL PATH
:AUDIO
:VIDEO
• R-CH is omitted due to same as L-CH.
CEC DATA
SWITCH
Q9724, 9726,
Q9728, 9729
P6 18
P7 17 A_SEL0
A_SEL1
P4 20
P5 19 A_SEL2
A_SEL3
P2 22
P3 21 A_SEL4
A_SEL5
E
J
P1 23 V_SEL2
A_SEL
LEVELSHIFT
IC1706
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HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3030
6-3. BLOCK DIAGRAM - TUNER/S-AIR Section -
A_SEL4 A_SEL5 A_SEL0 A_SEL1 A_SEL2 A_SEL3
AUDIO SELECTOR
IC411
R-CH
R-CH
72 ST_DI
91
MONO/ST_DET
90
A.CAL_MIC
_LEVEL
28
DC_CONT
70 ST_DO
69 ST_CLK
71 ST_CE
68 TUNED
R-CH
TUNER (FM/AM)
AM
FMANT
AMANT
L-CH
R-CH
DIN
TUNED
DO
CLK
CE
FM 75Ω
COAXIAL
ANTENNA
4Y3
2 3Y2 Y
1Y0
10
A9 B
J405
(HCD-HDX576WF)
(EXCEPT HCD-HDX576WF)
J402 (2/2)
TV
AUDIO IN
TV/VIDEO
AUDIO IN L
RR-CH
SAT/CABLE
AUDIO IN
L
RR-CH
Q413 Q412
LINEAMP
IC410
XIN
15
XOUT
13
S-AIR_ADC_SEL
54
S-AIR_RST(SRC RST)
58
S-AIR_I2C_SDA
77
S-AIR_I2C_SCL
78
S-AIR_GPIO_2
67
X501
5MHz
SYSTEM CONTROLLER
IC501 (3/5)
• SIGNAL PATH
: TUNER
:AUDIO
• R-ch is omitted due to same as L-ch.
:AUDIO IN
AUDIO IN/
A.CALMIC
J100
5Y1
DATASELECTOR
IC801
31B
24
1A 1Y
72Y
93Y
62B
1
SEL
52A
10 3B
11 3A
ASYNC SAMPLE
RATE CONVERTER
IC804
6LRCKI
423
SDIN SDOUT
25BCKO
24LRCKO
5BCKI
13
RST
2
RCKI
ASYNC SAMPLE
RATE CONVERTER
IC803
6LRCKI
423
SDIN SDOUT
25BCKO
24LRCKO
5BCKI
13
RST
2
RCKI
LINEAMP
IC104
LINEAMP
IC105
MUTING
Q115
MUTING
CONTROL
Q111
GAIN
CONTROL
Q112, 113
MIC_GAIN
26
GDMPORT_L
JA_SEL
AUDIO SELECTOR
IC409
5
3
Y1
Y
11 Y0
10
A9 B
2Y2
AUDIO SELECTOR
IC407
5
3
Y1
Y
11 Y0
10
A9 B
2Y2
A/D CONVERTER
IC805
9VOUT
8BCK
7LRCK
13 VINL
Q409 Q408
D4
D2
BCK
LRCK
Q411 Q410
B
M
K
X800
12.288MHz
OSC BUFFER
IC802
17 BCK
15 LRCK
12 RESET
RESN
GPI02
I2D_SCL
I2D_SDA
GND
ADC_SEL
Lch
Rch
SD1
SD2
BCK1
BCK2
LRCK1
LRCK2
7INIT
11 I2D_SCL
14
3I2D_SDA
GND (for DET)
CN803
EZW-RT10
CN113
EZW-T100
13 SDIN_B(Surr)
20
7
11
19
18
15
26
24
23
14
4
12
16
2
SDIN_A(2nd)
(HCD-HDX277WC/HDX279W/HDX576WF)
AUDIO1
6
SCKI
25
R-CH
(HCD-HDX275/HDX475/HDX675)
EEPROM_SDA/I2C_DATA
EEPROM_SCL/I2C_CLK
47 48
EEPROM
IC510
5 6
SDA SCL
(MIC_/A.CAL_SW)/
(HP_SW and MIC2_SW)/S-AIR_DET
66
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HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3131
6-4. BLOCK DIAGRAM - AMP Section -
DIGITAL POWERAMP
IC3150
TB100
31 11DATA
LAT1
INIT
SOFTMUTE
SCDT
SHIFT
OUTL1(+)
9OUTL2(–)
6OUTR1(+)
4OUTR2(–)
48XFSOIN
37FSOCKO 38FSOI
14XFSOOUT
OVER LOAD
DETECT
Q3151, 3152
SYSTEM CONTROLLER
IC501 (4/5)
SPEAKER
TB3901
SPEAKER
FRONT L
FRONT R
SUR L
SUR R
SUB
WOOFER
CENTER
MCK
BCK
LRCK
OVF1
DC DETECT
Q3551
M+12V
+32V
D3551
AAUDIO_BUS
R
DIAG
STREAM PROCESSOR
IC3010
6 PWM_A OUT_A
14
5
PWM_B
/RESET 4
/SD
36 XFSIIN
30 BCK
29 LRCK
HPOUTL1
HPOUTL2
HPOUTR1
HPOUTR2
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVFFLAGR
25 FLAGLOVF
D1
HP_SW
HP_MUTE
OVER LOAD
DETECT
Q3201, 3202
OVER LOAD
DETECT
Q3301, 3302
OVER LOAD
DETECT
Q3251, 3252
65
56
49
X3051
49.152MHz
R-CH
OSC BUFFER
IC3051
31 11DATA
LAT2
INIT
SOFTMUTE
SCDT
SHIFT
OUTL1(+)
9OUTL2(–)
48XFSOIN
38FSOI
14XFSOOUT
31 11DATA
LAT3
INIT
SOFTMUTE
SCDT
SHIFT
OUTL1(+)
9OUTL2(–)
6OUTR1(+)
4OUTR2(–)
48XFSOIN
38FSOI
MCK
BCK
LRCK
OVF2
STREAM PROCESSOR
IC3030
36 XFSIIN
30 BCK
29 LRCK
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVFFLAGR
OVF1 25 FLAGLOVF
D3D1
D2
D3
MCK
BCK
LRCK
OVF1
STREAM PROCESSOR
IC3020
36 XFSIIN
30 BCK
29 LRCK
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVFFLAGR
D2
DAMP_LATCH1 LAT2
LAT1
SHIFT
SCDT
DAMP_LATCH2
1
2
DAMP_SCD
DAMP_SHIFT
LAT3
66
53
JACK2 HP_SW
HP_MUTE HP_MUTE
DAMP_LATCH3
19
A.CAL_OUT_LEVEL
INIT
44
51
50
45
DAMP_INIT SOFTMUTE
DAMP_SOFT_MUTE OVF1
OVERFLOW1 OVF2
OVERFLOW2
42
DRIVE_RST (EN) 43
DRIVE_OCP (DIAG)/
POWER_DET 57
DC_DET
28 – 30
OUT_B 25 – 27
DIGITAL POWERAMP
IC3300
6 PWM_A OUT_A
14
5
PWM_B
/RESET 4
/SD
28 – 30
OUT_B 25 – 27
PROTECT DETECT
Q3552 –3555
DIGITAL POWERAMP
IC3400
14 PWM_B OUT_B
6
5
PWM_A
/RESET 4
/SD
25 – 27
OUT_A 28 – 30
DIGITAL POWERAMP
IC3250
6 PWM_A OUT_A
14
5
PWM_B
/RESET 4
/SD
28 – 30
OUT_B 25 – 27
DIGITAL POWERAMP
IC3500
14 PWM_B OUT_B
6
5
PWM_A
/RESET 4 /SD
25 – 27
OUT_A 28 – 30
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
L.P.F.
• SIGNAL PATH
:AUDIO
MM3000
(FAN)
+
–
TB101
SPEAKER
FRONT L
+
–
+
–
+
–
+
–
+
–
K
6OUTR1(+)
4OUTR2(–) R-CH
R-CH
R-CH
BCK
LRCK
BCK
LRCK
FAN MOTOR
DRIVE
Q3000 – 3002
25 FLAGLOVF
PHONES
J101
(HCD-HDX279W/HDX576WF)
HCD-HDX275/
HDX277WC/
HDX475/HDX675
• R-CH is omitted due to same as L-CH.
45
43
41
39
HEADPHONE
AMP
IC3001
MUTING CONTROL
Q3081
MUTING
Q117, 119 MUTING Q116, 118
+
–
FRONT R
R-CH +
–
D3071
D3072
D3073
(Page 28)
(Page 30)
(Page 32)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3232
6-5. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
POWER CONTROL
IC921
D902 DZ904
D908
D906, 907
D905
RESET
SYSTEM CONTROLLER
IC501 (5/5)
AMP+32V
RESET
SWITCH
Q503
8CLK 9STB
7DIN
ND100
FLUORESCENT
INDICATOR
TUBE
GR1 – GR12 SG2 – SG16
42 – 31 15 – 29
24 FL_D_OUT/LED_DATA
21 FL_CLK/LED_CLK
23 FL_STB
81 LED_LATCH
FLUORESCENT INDICATOR
TUBE DRIVER
IC100
4CLK 5LCK
3DATA
LED DRIVER
IC103
Q8
Q9
15(ORG)
(GRN) 14
D108
DISC 1
Q6
Q7
13(ORG)
(GRN) 12
D107
DISC 2
Q4
Q5
11(ORG)
(GRN) 10
D106
DISC 3
Q2
Q3
9(ORG)
(GRN) 8
D105
DISC 4
Q0
Q1
7(ORG)
(GRN) 6
D104
DISC 5 LED DRIVE
Q101
LED DRIVE
Q102
LED DRIVE
Q103
LED DRIVE
Q104
LED DRIVE
Q105
LED DRIVE
Q106
LED DRIVE
Q107
LED DRIVE
Q108
LED DRIVE
Q109
LED DRIVE
Q110
KEY0 – KEY2
S100 – 111, 922
(FRONT & TOP PANEL KEY)
97, 95, 94
SIRCS_IN
REMOTE CONTROL
RECEIVER
IC101 4
EN_B
11 EN_A
10
KEY INT
74
(AC IN)
F901
LINE FILTER
LF901, 902
RECT
D901
TH901
9D
7VIN
4VCC
1ZC
2FB
POWERCONTROL
IC901
3D
5 FB/OLP
1OCP/
SYNC
4VCC
RIPPLE FILTER
Q922
ISOLATOR
PC902
ISOLATOR
PC901
ISOLATOR
PC903
B+ SWICH
Q901
T903
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
D910
RECT
D931
RECT
D912
A+12V, M+12V
A+9V
POWER ON/OFF
CONTROL
Q943, 947, 949, 950
SHUNT
REGULATOR
IC931
SHUNT
REGULATOR
IC922
ISOLATOR
PC904
+12V
REGULATOR
IC941
RECT
D916
M+9V
AUDIO+5V
LED+6V
B+ SWITCH
Q945
RECT
D911
RECT
D947
+5V
REGULATOR
IC505
+9V
REGULATOR
IC413
SERVO DSP+1.8V
S-AIR+3.3V
+1.8V
REGULATOR
IC3050
S-AIR RT+3.3V
(HCD-HDX277WC/HDX279W/HDX576WF)
(HCD-HDX275/HDX475/HDX675)
S-AIR CON+4V
AMP+1.8V
E+3.3V
+1.8V
REGULATOR
IC1110
RESET SIGNAL
GENERATOR
IC503
RF+3.3V
DMPORT+5V
SW+9V
+5V
REGULATOR
IC201
+5V
REGULATOR
IC502
+3.3V
REGULATOR
IC102
+3.3V
REGULATOR
IC806
SW+3.3V
D+3.3V +3.3V
REGULATOR
IC506
SERVO+3.3V +3.3V
REGULATOR
IC1708
SERVO+3.3V +3.3V
REGULATOR
IC1105
+3.3V
REGULATOR
IC800
+3.3V
REGULATOR
IC1107
A+5V +5V
REGULATOR
IC507
V+5V +5V
REGULATOR
IC620
VFL
FOR FLUORESCENT
INDICATOR TUBE
RECT
D100, 101
OSC
Q100
FL
FL
T100
DC/DC
CONVERTER
D502
BU+3.3V D504
12
AC_CUT 20
P_CONT3 41
P_CONT2 40
P_CONT1 39
M+13V
ROTARY
ENCOCER
S112
VOLUME
DIAG
R
DC DETECT
Q631, 632
POWER ON/OFF
CONTROL
Q930 – 932
STANDBY
CONTROL
Q921
B+ SWITCH
Q120, 121
(Page 31)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3333
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ωand 1/4 W or less unless otherwise
specified.
• f: internal component.
• 2: nonflammable resistor.
• 5: fusible resistor.
• C: panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
• A: B+ Line.
• B: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TUNER
( ): DVD PLAY
• Voltages are taken with VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F: AUDIO
J: CD/DVD PLAY
f: TUNER
i: AUDIO IN
E: VIDEO
• Abbreviation
AUS : Australian model
E3 : 240V AC area in E model
For Printed Wiring Boards.
Note:
• X: Parts extracted from the component side.
• Y: parts extracted from the conductor side.
• f: internal component.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
BThese are omitted. E
Q
B
These are omitted.
CE
Q
Note:
The components identi-
fied by mark 0or dotted
line with mark 0are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés
par une marque 0sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifié.
Caution:
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
• MAIN board is multi-layer printed board.
However, the patterns of intermediate layers have not
been included in diagrams.
• Circuit Boards Location
I/O board
TUNER (FM/AM)
JACK-KEY board
SERIPARA board SPEAKER board
POWER board
PW-SW board
MAIN board
MOTOR board
SW (2) board RELAY board
SW (1) board
SENSOR board
ENCODER board
S-AIR INC board
(HDX277WC/HDX279W/HDX576WF)
S-AIR CON board
(HDX275/HDX475/HDX675)
FL board

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3434
6-6. PRINTED WIRING BOARD - MAIN Board (Component Side) - • : Uses unleaded solder.
• See page 33 for Circuit Boards Location.
Note: IC1103 on the MAINboardcannotexchangewithsingle. When IC1103
on the MAIN board is damaged, exchange the entire mounted board.
1
19
BEBE
D1
G2
S2
G1
D2S1
118
24 1
1
54 28
27
25 48
58
1
4
13
1
2
8
9
BE
118
1936
BE
BEBE
8
1
4
5
BE BE
118
1936
118
19
36
118
19
36
BEBE
1
2
17
16
BEBEBE
BEBE
1
12
13
48
24 25 36 37
1221
20
19
118
1936
B
E
BEBE
B
E
BEBE
BEBEBEBE
1
24
25 3637
48
12
13
58
1
4
8
1
4
5
1
14
8
7
BE
224 1
23
B
E
118
1936
D1
G2
S2
G1
D2
S1
C1
E1B1
B2
E2
C2
BE
118
19
36
1
24
25 36
37
48
12
13
1
24
25 36 37
48
12
13
1
24
25 36
37
48
12
13
C3058
C1118
R3225
R3031
C3059
CN1701
R3226
R3032
R3227
R3033
R3034
C3250
R3035
R3037
IC3030
C3254
C3060
C1120
R214
Q3251 Q3252
C1121
R215
C1122 C1123
C3258
C1124
R3425
R3426 R3427
R3041
Q1701
R3042
R3043
R3044
CN204
R3045
R3046
C3263
R1107
R3047
R3094 R3090
R1108
R3048
IC1101
R1109
R3049
C3072
IC1102
C1132
C3073
IC1103
C1133
R227
IC1104
R228
IC1105
R229
C1136
R613
IC1107
R1110
R3050
R1111
R3052
R1112
1
64 65 128
129
192 C1139
C1138
C1137
C1135
193
256
R3053
R1113
R3054
R1114
R230
R3055
R1115
R231
R1116
R3057
R1117
R1118
IC1110
IC3051
C3083
C3084
R3251
Q3081
C3085
C1145
R622
R3252
C3086
CN606
R623
C3087
C1147
R624
R3254
C3088
R1120
C1148
R625
R3061
C1725
R1121
C1726 R626
R3257
R1123
IC3250
R1124
C1728
C1729
R1125
R629
R3067 R3068
C3092
C1152
C3093
C1153
C1730
R631
C1731
R632
C1727
C1732
C1733
C1734
R3265
IC1705
IC1707
IC1708
IC1706
R3074 D3071
D3072
D3073
R639
R3075
R1135
R3076
R1136
R3077R3078
R750
R3079 R3080
R1139
R643
C220
R3275
C2109
R3276
R1142R2167
R3277
C223
R648
R3085
R3086
R1146
R3087
C227
R3088
C2110
R3089
C229
R652
C230
R3091
R1151
C231
R3092
C232
R3093
R657
R1156
R3097
C237
R3098
R3099
R1159
C1183
C1184
R660
C1186
C1182
R663
R1160
R664
R1161
R2101
C241
R1164
R1162 R1163
R1165
R2136
R2131
R2106
R1742
C2130
C1192
C1193
R1748 R1747
C1195
R2110
C1198
R2114
R2115
R1752
R685
R1183
R1184
R1185
R691
LP3001
R692
R1191
Q503
R2133
R2162
R2161
C3100
C3104
Q3101Q3102
RB1103
C3108
RB1104
RB1105
RB1106
IC202
RB1107
C3300
RB1108
RB1109
R1783
C3304
R1784
R1785
Q3302
Q3301
R1786
C3113
C3308
RB1110
RB1111
RB1112
RB1113
C3500
RB1114
RB1145
C3504
R2154 R2130
C3313
C3508
C3124 C3125
C3126 C3127
C3128
R3101 R3102
C3513
R3104
R3107
IC3100
R2168R2120
R2746
R3301 R3302
R3304 R3307
IC3300
R3115
R2176
R2177
R3501
X1101
R3502
C1203
R3504
C1205
C1206
R3507
IC3500
C1208
R3315
C1209
R3125
R3126
R3127
FB508
C3150
C1210
X3051
C1211
C1212
C1213
C3154
C1214
R3515
Q3151
C1215
Q3152
FB510
C3158
C1218
R3901
C1219
R3902
R3327
R3325
R3326
R504
R3905
R505
R3906
R506
R507
C1220
R509
C1221
C1222
FB1106
CN4302
C3163
FB1108
C1224
R318
R510 R511 13031
50
51
80
81
100
R512
C3553
R513
R514
R1204 R515
Q3551
C3556
Q3552
R516
R1206
R3917
Q3553
R1207
R3918
R1208
Q3554
R3919
R519
IC1201
R1209
Q3555
C1233
CN501
R713 R714
R3920
R1210
CN504
R3921
R3151
C3561
R3152
R1212
R717 R718
R3154
R1214
R719
R1215
R1216
R3157
IC3150
R529
R1219
R722
R724
R782
R1220
R725
R1221
R532
R727
R1223
R728
R1224
R729
R3165
R1225
R536
R1226
D3552
R537
LP701
R3552
R730
R3554
R731
L3051
R3555
R3556
R732
R733
L3053
R3558
R734
L3054
Q9724
R1230
R1231
R3559
R736
R542
Q9726
R543
R1233
R738
Q9728
C509
R739
R3175
Q9729
R3176
R546
R547
R3177
R548
R3560
R3561
R3562
R3563
C510
R740
R741
R768
R767
R4518
R4511
R4512
C4504
R720 R4510
R4515
R4516
R4514 R697R4513
R4502
R4805
R4501
R742
R737
C511
D9712
C512
C707
R743
C708
L1701
C516
R552
L1702
L1703 L1704
R749
R1246
R1247
X701
C520
C521
C522
C523
C718
C719
R561
R562
R564
R1254
R565 R566 R567 R568
C721
R569
C723
C724
R9920
C725
C531
C727
R9924
R9928
R9929
R769
R763
R4721
11
R709R785
R746
R764 R748
R747
R765 R766
R9934
R9935
R583
R778
FB2120
R584
FB2121 FB2122
R587
R588
FB2124
FB2125
R589
R9941
R723 R721
R784 R783
R590
R9945
R788
C9972
R596 R597R598
R599
R790
L200
D501
R791
C3003
R793
Q3001
Q3002
C3008
C3200
C3204
Q3201
C571
Q3202
C3208
C574
IC302
C3400
C3404
Q3401 Q3402
C772
C3213
C773
C3408
IC501
IC502
IC503
IC507
R3001 C3413
IC702
IC510
IC3001
IC3003
IC707
R3201
CN1101
Q631
R3202 Q632
R3204
R3011
R3012
R3207
R3013
IC3200
R3014 R3015
R3017
IC3010
C3129
R3401
C1101
R3402
R3404
C1105
Q1101
Q1102
R3407
Q1103
IC3400
R3215
R3021 R3022
R3023 R3024R3026
IC3020
C1110
C1111
C3052
C1112
C3053
IC3050
C1113
R3415
C3055
C3057
C1117
C4501
FL4501
IO
L4501
1
1011
20
IC4502
(NC)
1
3
5
4
1
58
4
1
58
4
1
3
5
4
1
3
5
41
35
4
13
54
1
3
5
4
1
3
5
4
+
+
+
+
+
+
+
+
+
+
+
+DMPORT
HDMI OUT
PIO BOARD
CN402
3
1
4
5
13
54
1
35
4
F
I/O BOARD
CN407
HJACK-KEY
BOARD
CN103
OPTICAL
PICK-UP
BLOCK
KHM-310CAB
or
KHM-313CAB
(1/2)
1
35
4
MAIN BOARD (COMPONENT SIDE)
1-875-158- 12
(HDX275/HDX277WC/HDX475/HDX675)
(HDX275/HDX277WC/HDX475/HDX675)
A
B
C
D
E
F
G
H
12345678910 11
Ref. No. Location
• Semiconductor
Location
D501 C-10
D3071 C-6
D3072 C-6
D3073 C-6
D3552 G-3
D9712 G-7
IC202 G-10
IC302 G-5
IC501 B-9
IC502 A-10
IC503 C-10
IC507 A-8
IC510 B-10
IC702 D-7
IC707 D-10
IC1101 G-8
IC1102 F-7
IC1103 G-7
IC1104 H-7
IC1105 F-10
IC1107 F-10
IC1110 H-9
IC1201 E-10
IC1705 H-8
IC1706 H-9
IC1707 H-9
IC1708 H-9
IC3001 B-6
IC3003 D-6
IC3010 D-5
IC3020 E-5
IC3030 F-5
IC3050 C-6
IC3051 D-5
IC3100 B-4
IC3150 C-4
IC3200 D-4
IC3250 D-4
IC3300 E-4
IC3400 F-4
IC3500 G-4
IC4502 D-8
Q503 C-10
Q631 B-5
Q632 C-5
Q1101 F-7
Q1102 E-9
Q1103 F-7
Q1701 G-8
Q3000 G-4
Q3001 G-4
Q3081 B-6
Q3101 C-2
Q3102 C-2
Q3151 C-2
Q3152 C-2
Q3201 D-2
Q3202 D-2
Q3251 F-2
Q3252 F-2
Q3301 E-2
Q3302 E-2
Q3401 E-2
Q3402 D-2
Q3551 H-3
Q3552 H-3
Q3553 H-3
Q3554 H-3
Q3555 H-3
Q9724 G-6
Q9726 G-6
Q9728 G-6
Q9729 G-6
(Page 56)
(Page 53)
(Page 52)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3535
6-7. PRINTED WIRING BOARD - MAIN Board (Conductor Side) - • : Uses unleaded solder.
• See page 33 for Circuit Boards Location.
15
1515
C3253 C3255
C3256 C3257
C1125
C1126
R603
C1127
R604
R3040
R1101
C1129
R606
R1102
R607
R1103
R220
R608
R1105
R221
R609
R1106
R222
R223
C1130
C3071
C3267
JL2108
R611
R612
X501
R614
R3051
R618
R232
R3056
C1140
R3058
D3251
R3059
D3252
C1144
R621
C1146
R3253
R3060
C1149
R3063
R627
R3064
R628
R3065
R3066
R3069
C1151
C3094
C1154
C1155
C1156
R3070
C1158
R3071
C1159
R636
R3266
R3072
R1132
R3073
R1133
R638
C1160
C2100
C1161
C1162
C1163
R640
C1164
R641
C1165
R642
R644
R1140
C2108
R645
C1169 R1141
C221
R646
C222
R647
R1145
R1147
R1148
C1170
C1171
C1172
C1174
C2114
R650
C1175
C2115
R651
C1176
C2116 C2117
C2118
R654
R655
C1179
C2119
R656
R1152
C2502
R1153
C2503
R1730
R1154
R3095
R1155
R3096
C1180 C1181
R661
R662
C240
R666
R667
R2104
R1743
C1191
R670
R1749
C1197 C1199
R1171
R1750
R1175
R1751
R1176
R1753 R1754
R2119
R683
R2129
R690
R2134
R1198
L301
L302
C3103 C3105
C3106 C3107
IC201
R1781 R1782
C3303 C3305
C3306
C672
C3307
C3117
R2150
L701
R2151
L702
R2152 L703
C3503 C3505
R2155
C3506
R2156
C3507
R2157
R2158 R2159
C3122
C3317
C3123
R2160
R3103
C3322
C3517
C3323
D3301
C3901
D3302
C3902
C3903
C3904
D3111
D3112
R3303
D3501D3502
R3116
R2178
C3911
R2179
C3912
R3503
C3913
L3000
C3914
R2180
R3316
R2182
R2184
FB505
R2185
FB506
R2188
C3153 C3155
R3516
C3156 C3157
R501
R502
R538
R3907
R508
FB1107
R317
FB1109
R319
C3167
R3911 R3912
R3913
R3914
R1205
FB1111
FB1112
R517
FB1113
R518
FB1115
C3172
FB1116
C3173
FB1117
FB1118
R328
D3151
R329
R744
R745
R693
D3152
R521
R716
R715
R797
R695 R694
R3153
R1213
C3372
R526
C3373
R527
R528
R530
R531
R726
C4505
R533
R534
R535
D3551
R3166
R539
R3551
R3553
C501 C502
L3052
C503
C504
R540
C505
R735
R710
R796
R696
R1232
C312
C507
R544
C508
R1234
C314
C317
C319
R4503
R4504
R4505
R4506
R4507
R4508
C515
R551
C517
R553 C518
R555
R556
C710
C716
R558
C711
R559
R792
R560
R563
R9918
FB2101
FB2103
C722
R4716
R4717
R4718 R4719
C532
R9922
C533
R570
R2201
R2203
R576
R577 R578
R579
R580
R582
R586
R780
R781
R786
R592
R787
R593
R594
R595
C3002
D502
R794
D505
D701
C3203 C3205
C3206
C3012
C572
C3207
C3013
C3014
C3015
C3016
C3017
C3018
C3019
C3403 C3405
C3406 C3407
C3020
C581
C3022
C582
C3217
C3023
C3024
C3025
IC505
C3026
IC506
C3027
C3028 C3029
R3002
R3003
R3004
R3006
C3417
C3030
D3201
C591
D3202
C3032
C592
C3033
C3034
C3035
C3036
R3203
C3037
C3038
C3039
C3422
C3423
D3401D3402
C3040
C1102
R3403
C1106
C1108 C1109
R3216
R203
C3051
C1114
R208
C1115
R3416
C1116
2
1
4
5
CN702
16
113
153
1
14 3
1
4
12
1
4
1
53
13
E
B
C1119
L3301
C3259
L3501
C3262
C3264
C3265
C3266
C3081
L3901
C3082
L3902
L3903
L3904
C3090
C3091
CN625
C1177
C238
C239
C1190
EB3001
EB3002
TB3901
EB3004
CN3100
C3109C3112
C3114
C3309
C3115
C3116
C3312
C3314
C3509
C3315
C3316
C3512
C3514C3515
C3515
C3516
EB702
L3201L3202
C1217
C3159
L3401
C3162
C3164
C3165
C3166
C3556
CN506 CN904
C313
C315
C705
C706
C709
C717
C526
C527
C528
C720
C539
CN3000
CN3001
CN3200
C3001
C3000
Q3000
C3005
C3011
C573
C3209
IC301
C3212
C3214
C3409
C3215
C3021
C4503
C3216
C583
C584
C3412
C3414C3415
C3416
C3031
C593 C594
CN1106
J302
L3101L3102
C3054
C3056
16
CN1201
C318
2
1
16
17
CN651
C1187
L
I/O
BOARD
CN410
G
SERI PARA
BOARD
CN650
K1
S-AIR INC
BOARD
CN800
K2
S-AIR CON
BOARD
CN112 JPOWER
BOARD
CN906 DPOWER
BOARD
CN904 EJACK-KEY
BOARD
CN108
(CHASSIS) (CHASSIS)
(CHASSIS)
(CHASSIS)
OPTICAL
PICK-UP
BLOCK
KHM-310CAB
or
KHM-313CAB
(2/2)
(FOR JIG)
C
SPEAKER
BOARD
CN115
A
SPEAKER
BOARD
CN114
B
SPEAKER
BOARD
CN114
SPEAKER
CENTERSUB WOOFER
M3000
(FAN)
M
TV/VIDEO
DIGITAL IN
COAXIAL
TV
DIGITAL IN
COAXIAL
TV
DIGITAL IN
OPTICAL
TV/VIDEO
DIGITAL IN
OPTICAL
1-875-158- 12
(HDX279W/HDX576WF)
(HDX576WF) (HDX576WF)
(EXCEPT HDX576WF)
(HDX275/HDX277WC/HDX475/HDX675)
(CONDUCTOR SIDE)
MAIN BOARD
A
B
C
D
E
F
G
H
12345678910 11
(HDX275/HDX475/HDX675)(HDX277WC/HDX279W/HDX576WF)
(HDX279W/HDX576WF)
(HDX275/HDX277WC/
HDX475/HDX675)
Ref. No. Location
• Semiconductor
Location
D502 D-2
D505 C-3
D701 D-2
D3111 B-9
D3112 B-9
D3151 C-9
D3152 C-9
D3201 C-9
D3202 D-9
D3251 D-9
D3252 D-9
D3301 E-9
D3302 E-9
D3401 F-9
D3402 F-9
D3501 G-9
D3502 G-9
D3551 G-9
IC201 G-2
IC301 H-7
IC505 A-5
IC506 B-5
Q3002 H-9
(Page 50) (Page 49)
(Page 47)
(Page 53)
(Page 62) (Page 62) (Page 56)
(Page 55)
(Page 55)
(Page 55)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3636
6-8. SCHEMATIC DIAGRAM - MAIN Board (1/12) - • See page 65 for IC Block Diagrams.
BOARD
(2/12)
MAIN
2
BOARD
(3/12)
MAIN
3
MAIN
(6/12)
BOARD
1
IC B/DIC B/DIC B/D
6.2 14.4
0
6.8
0.6
0
0.6
27.1 32.2
32.2 32.2 16.1 32.2 32.2 32.2
11.9
3.1 3.3 1.6
1
3.3 1.6
11.8 11.9 27.1
16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1 16.1 32.2 32.2 16.1 16.1 32.2 32.2 32.2 32.2
27.1 11.9
3.1 3.3 1.6
1
3.3 1.6
11.8 11.9 27.1
16.1 16.1 16.1 16.1 32.2 32.2 16.1 16.1 32.2 32.2 32.2 32.2
27.1 11.9
3.1 3.3 1.6
1
3.3 1.6
11.8 11.9 27.1
0
0
0.7
3.1
0
3.3
1.6
0
0
0
16 1616 16
0 00 0
16 1616 16
0.1C3308
0.1
C3313
0.1
C3413
C3508 0.1
C3513
0.1
0.1C3408
16V
47
C3001
C3554
XX
35V
100
C3412
35VC3509 100
35V
C3512
100
35V100C3409
35V
100
C3312
35V100C3309
0.1
C3002 16V
100
C3000
C3416 2200 35V
C3316 2200 35V
50V
1
C3551
50V
10
C3552
1C3315
C3514 1
1
C3314
1
C3414
C3515 1
1C3415
2.2k
R3004
1.5k
R3003
R3006
2.2k 10k
R3001
10k
R3002
10k
R3553
100k
R3554
100k
R3551
100k
R3326
100k
R3325
100k
R3276
100k
R3275
0
R3304
0R3404
R3504 0
0R3555
47uHL3000
1
2
2P
CN3000
DC-FAN -
DC-FAN +
2SC3052EF-T1-LEF
Q3002
2SC3052EF-T1-LEF
Q3551
2SC3052EF-T1-LEF
Q3001
JL3060
JL3052
JL3051
JL3050
JL3049
JL3048
JL3047
JL3046 JL3045
JL3020
JL3019
JL3018
JL3017
JL3016
JL3015
JL3014
JL3013
JL3011
JL3010
JL3002
JL3001
TP3311
TP3000
TP3410
TP3001
TP3510
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1884123 567 91011121314151617
CXD9883MIC3400
BST_A GVDD_A /DTW /SD /RESET PWM_A OC_ADJ GND GND VREG M3 M2 M1 PWM_B VDD GND GVDD_B BST_BPVDD_B
PVDD_B PVDD_B
GND GND GND
OUT_B OUT_B OUT_B OUT_A OUT_A OUT_A
GND GND GND
PVDD_A PVDD_A PVDD_A
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1884123 567 91011121314151617
CXD9883MIC3300
BST_A GVDD_A /DTW /SD /RESET PWM_A OC_ADJ GND GND VREG M3 M2 M1 PWM_B VDD GND GVDD_B BST_B PVDD_B
PVDD_B PVDD_B
GND GND GND
OUT_B OUT_B OUT_B OUT_A OUT_A OUT_A
GND GND GND
PVDD_A PVDD_A PVDD_A
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
18
84123 567 91011
12 13 14 15 16 17
CXD9883MIC3500
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
GND GND
VREG
M3 M2 M1
PWM_B
VDD
GND
GVDD_B
BST_B PVDD_B
PVDD_B PVDD_B
GND GND GND
OUT_B OUT_B OUT_B OUT_A OUT_A OUT_A
GND GND GND
PVDD_A PVDD_A PVDD_A
15k
R3407
JL3101
35VC3516 2200
JL3104JL3098
15k
R3307
R3507
15k
JL3086JL3085
JL3096
C3506
0.033
C3507 0.033
0.033
C3307
0.033C3306
0.033C3407
0.033C3406
C3500 0.1
C3503
0.1 C3505
0.1
0.1C3400
0.1
C3403
0.1
C3405 0.1
C3303
0.1
C3305
0.1C3300
A12V
R3045
0R3046 0
0R3061
TP3307
TP3308
TP3309
TP3310
100k
R3327
100k
R3277
C3904
1000p
C3902
1000p
C3903
1000p
C3901
1000p
0.01
C3914
0.01
C3913 C3912
0.01
C3911
0.01
C3128
2.2
10
C3129
2SC3052EF-T1-LEF
Q3553
C3556
0.1
10k
R3558
4.7k
R3556
22kR3552
C3553
0.1
2SC3052EF-T1-LEF
Q3552
0R3901
0R3902
0
R3905
0R3906
R3907 0
R3918 0
R3919 0
R3920 0
R3921 0
+
-
+
-
P6SMBJ33A-5
D3402
P6SMBJ33A-5
D3401
P6SMBJ33A-5
D3502
P6SMBJ33A-5
D3501
0R3415
0
R3303
0
R3416 0
R3316
0
R3403
0
R3315
R3515 0
R3503
0
R3516
0
MC2837
D3551
P6SMBJ33A-5
D3302
P6SMBJ33A-5
D3301
E
EB3001
0.1
C3317
0.1
C3417
0.1
C3517
R3560
0
0.1
C3304
0.1
C3404
C3504
0.1
2SC3052EF-T1-LEF
Q3554
2SC3052EF-T1-LEF
Q3555
10k
R3559 47k
R3561
0R3058
10k
R3562
M-GND
M+14V
100k
R3563
10
C3561
ISA1235AC1TP-1EF
Q3301
ISA1235AC1TP-1EF
Q3252 ISA1235AC1TP-1EF
Q3302
ISA1235AC1TP-1EF
Q3251
0.6uH
L3903
0.6uH
L3901
0.6uHL3904
0.6uHL3902
3
21 4
10uH
L3301
3
21 4
10uH
L3401
3
21 4
L3501
10uH
MAZ8150G0LS0
D3552
50V
10
C3005
2SD1388TP-34
Q3000
DIGITAL POWERAMP
IC3300
DIGITAL POWERAMP
IC3400
DIGITAL POWERAMP
IC3500
MAIN BOARD (1/12)
1
2
3
4
5
6
7
8
9
10
12
24
25
26
27
28
29
(CHASSIS)
FAN MOTOR DRIVE
Q3000-3002
Q3552-3555
PROTECT
DETECT
DC DETECT
M3000
M
(FAN)
Q3251, 3252, 3301, 3302
OVER LOAD DETECT
TB3901
SPEAKER SUB
WOOFER
CENTER
12825
D
134
A
H
1496
I
1013
B
G
C
11
F
7
E
(Page 41)
(Page
37)
(Page
38)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3737
6-9. SCHEMATIC DIAGRAM - MAIN Board (2/12) - • See page 65 for IC Block Diagrams.
4
BOARD
MAIN
(4/12)
2
MAIN
(1/12)
BOARD
ABOARD
CN114
SPEAKER
CN115
SPEAKER
CBOARD
SPEAKER
BOARD
CN114
B
IC B/DIC B/DIC B/DIC B/D
32.2 16.1 32.2 16.1 16.1 32.2 16.1 16.1 16.1 32.2 32.2 32.2
27.1 11.9
3.1 3.3 1.6
1
3.3 1.6
11.8 11.9 27.1
3.1 3.3
16.1
11.8
16.1 32.2
11.9
1
32.2
27.1
16.1 32.2
1.6
16.1 32.2 32.2
27.1
32.2
3.3 1.6
16.1
11.9
16.1
16
0
16
16 16
0
16
0
16
16 16
0
0.1
C3163
0.1C3208
0.1
C3263
0.1C3258
0.1C3108
0.1
C3213
0.1C3158
35V
100
C3212
35V100C3159
35V100C3259
35V
100
C3162
35V100C3109
35V100C3209
35V
100
C3112
35V
100
C3262
C3216 2200 35V C3266 2200 35V
C3166 2200 35V
1C3114
1C3115
1C3164
1C3264
1C3165
1C3265
1C3215 1C3214
1000p
C3123
1000p
C3423 1000p
C3122
1000p
C3172
1000p
C3422 1000p
C3173
15k
R3157
100kR3226
100kR3426
100kR3425
100kR3125
100kR3225
R3176 100k
R3175 100k
100kR3126
0R3104
0R3154
0R3204
0
R3254
C3113
0.1
C3116 2200 35V
JL3059 JL3058
JL3057
JL3056 JL3055 JL3054 JL3053
JL3044
JL3043
JL3042
JL3041
JL3040 JL3039
JL3038
JL3037
JL3036
JL3035
JL3034 JL3033
JL3032
JL3031
JL3030
JL3029
JL3028 JL3027
JL3026
JL3025
JL3024
JL3023
JL3022 JL3021
TP3301
TP3102
TP3103
TP3304
TP3302
TP3250
TP3101
TP3303
TP3110 TP3150
TP3210
TP3104
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1884123 567 91011121314151617
CXD9883MIC3150
BST_A GVDD_A /DTW /SD /RESET PWM_A OC_ADJ GND GND VREG M3 M2 M1 PWM_B VDD GND GVDD_B BST_B PVDD_B
PVDD_B PVDD_B
GND GND GND
OUT_B OUT_B OUT_B OUT_A OUT_A OUT_A
GND GND GND
PVDD_A PVDD_A PVDD_A
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1884123 567 91011121314151617
CXD9883MIC3200
BST_A GVDD_A /DTW /SD /RESET PWM_A OC_ADJ GND GND VREG M3 M2 M1 PWM_B VDD GND GVDD_B BST_B PVDD_B
PVDD_B PVDD_B
GND GND GND
OUT_B OUT_B OUT_B OUT_A OUT_A OUT_A
GND GND GND
PVDD_A PVDD_A PVDD_A
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1884123 567 91011121314151617
CXD9883MIC3250
BST_A GVDD_A /DTW /SD /RESET PWM_A OC_ADJ GND GND VREG M3 M2 M1 PWM_B VDD GND GVDD_B BST_B PVDD_B
PVDD_B PVDD_B
GND GND GND
OUT_B OUT_B OUT_B OUT_A OUT_A OUT_A
GND GND GND
PVDD_A PVDD_A PVDD_A
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
1884123 567 91011121314151617
CXD9883MIC3100
BST_A GVDD_A /DTW /SD /RESET PWM_A OC_ADJ GND GND VREG M3 M2 M1 PWM_B VDD GND GVDD_B BST_B PVDD_B
PVDD_B PVDD_B
GND GND GND
OUT_B OUT_B OUT_B OUT_A OUT_A OUT_A
GND GND GND
PVDD_A PVDD_A PVDD_A
1
3
4
5
5P
CN3100
FR +
FR -
FL-
FL+
JL3107 JL3110
JL3112 JL3113 JL3114
JL3115 JL3116 JL3117
15k
R3257 15k
R3207 15k
R3107
1000p
C3323
JL3087
0.033
C3157
0.033C3107
0.033
C3257
0.033C3156
0.033C3206
0.033
C3207
0.033
C3256
0.033C3106
0.1
C3253
0.1
C3255
0.1C3150
0.1
C3203
0.1
C3155
0.1
C3205 0.1 C3105
0.1C3250
0.1
C3153
0.1C3200
0.1
C3103
0.1C3100
1000p
C3322
1
3
4
5
5P
CN3200
SR +
SR -
SL-
SL+
100k
R3127
100k
R3177
100k
R3427
100k
R3227
C3124
2.2
C3125
2.2
C3126
2.2
C3127
2.2
P6SMBJ33A-5
D3252
P6SMBJ33A-5
D3112
P6SMBJ33A-5
D3151
P6SMBJ33A-5
D3152
P6SMBJ33A-5
D3251
P6SMBJ33A-5
D3201
P6SMBJ33A-5
D3202
0
R3253 0
R3103
0
R3153
0
R3165
0
R3265 0
R3216 0
R3115
0
R3166
0
R3266
0
R3203
0
R3116
0
R3215
P6SMBJ33A-5
D3111
E
EB3002
0.1
C3117
0.1
C3167
0.1
C3217
0.1
C3267
0.1C3154 0.1 C3104
0.1
C3254 0.1
C3204
ISA1235AC1TP-1EF
Q3152 ISA1235AC1TP-1EF
Q3101
ISA1235AC1TP-1EF
Q3151 ISA1235AC1TP-1EF
Q3102
ISA1235AC1TP-1EF
Q3201 ISA1235AC1TP-1EF
Q3402
ISA1235AC1TP-1EF
Q3202 ISA1235AC1TP-1EF
Q3401
3
21 4
10uH
L3101
3
21 4
10uH
L3102
3
21 4
10uH
L3201
3
21 4
10uH
L3202
13
14
15
16
17
18
19
20
21
22
23
25
28
24
26
27
29
MAIN BOARD (2/12)
IC3100
DIGITALPOWERAMP
IC3150
DIGITALPOWERAMP
IC3200
DIGITALPOWERAMP
IC3250
DIGITALPOWERAMP
Q3201, 3202, 3401, 3402
OVER LOAD DETECT OVER LOAD DETECT
Q3101, 3102, 3151, 3152
(CHASSIS)
(HDX279W/HDX576WF)
10 1311
I
947 12
A
E
5
C
F
62
G
81 163
H
1514
D
B
HDX275/HDX277WC/
HDX475/HDX675
(Page
36)
(Page 55)
(Page 55)
(Page 55)
(Page 39)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3838
6-10. SCHEMATIC DIAGRAM - MAIN Board (3/12) - • See page 65 for IC Block Diagrams.
IC B/D
MAIN
BOARD
(1/12)
3
BOARD
7
MAIN
(4/12)
BOARD
6
MAIN
(7/12)
BOARD
(6/12)
MAIN
5
1.6
3.3
3.3
3.3
3.3
1.7
1.8
3.3
3.3
3.3
0
0
3.3
3.3
1.6
3.3 3.3 1.7 1.6 0.8 3.3 1.8 1.7
3.3 1.6 1.6 3.3 1.6
16V
47
C3031
0.1
C3040
0.1
C3039
0.1
C3038
0.1
C3037
0.1
C3036
0.1
C3035
0.1
C3034
0.1
C3033 0.1
C3032
R3502 100
R3501 100
R3402 100
R3401 100
100
R3302
100
R3301
100
R3076
100
R3075
100
R3073
100
R3072
100
R3071
100
R3070
100
R3069
100
R3068
100
R3067
100
R3066
∗
R3057
100
R3037
100R3035 22R3034
470
R3032
470
R3031
1k
R3063
100
R3065
1k
R3064
10k
R3033
10k
R3059
10k
R3060
TP3004
TP3006
TP3003
TP3005
TP3236
TP3032
NS_INIT
SOFT_MUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
EN
DIAG
OVF1
OVF2
AMP_D1
AMP_D2
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
0.01
C3071
TP3231 TP3230 TP3229
R3074
100
DC-DET
TP3007
0
R3914
0
R3913
0R3917
0
R3911
0
R3912
123456789101112
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9788AR
IC3030
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
D-GND
SC_DT
SCSHIFT
SCSHIFT SC_DT SOFTMUTE SOLATCH3
OVF
OVFFLAGR2
SOFTMUTE
SOLATCH3
SOLATCH2
INIT OVFFLAGR2
INIT
100k
R3080
A.CAL_OUT
SOLATCH1
PGMUTE
(DATA3)
STREAM PROCESSOR
IC3030
4
8
6
7
3
9
5
12
10
30
31
32
33
34
35
36
37
38
39
40
41
42
MAIN BOARD (3/12)
∗R3057
0
(HDX279W/HDX576WF)
HDX275/HDX277W/
HDX475/HDX675
47
1
2
23 89
H
641
E
B
F
A
5
C
G
107
D
MA2J1110GLSOD3071 MA2J1110GLSOD3072 MA2J1110GLSOD3073
(Page 41)
(Page 42)
(Page
36)
(Page 39)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
3939
6-11. SCHEMATIC DIAGRAM - MAIN Board (4/12) - • See page 64 for Waveforms. • See page 65 for IC Block Diagrams.
(2/12)
4
MAIN
BOARD
8
(6/12)
BOARD
MAIN
BOARD
D
CN904
POWER
BOARD
JACK-KEY
CN108
E
IC B/DIC B/D
1
2
3
7
(3/12)
BOARD
MAIN
IC B/D
11.96.6
∗ 1.6
1.6 1.6 3.3
6.64.1 44.1 4
3.3
3.3
1.6 3.3 1.6 1.7 3.3 1.7
3.3 3.3 1.7 1.7 1.6 3.3 1.8 1.7
1.6
3.3
3.3
1.7
1.7
3.3
1.7
1.7
1.6
1.6
3.3
1.8
3.3
3.3
3.3
0
0
3.3
3.3
3.3
1.8
3.3
1.3
0
10V
100
C3090
16V
47
C3021 16V
47
C3011
0.1
C3051
10V
220
C3056
16V
100
C3054
16V
220
C3091
5p
C3058
100p
C3083
100p
C3087
100p
C3088
100p
C3094
100p
C3085
100p
C3086
100pC3084
0.1
C3053
1000p
C3059
0.01
C3055
0.01
C3057
0.1
C3018
0.1
C3030
0.1
C3012
0.1
C3028
0.1
C3027
0.1
C3026
0.1
C3023 0.1 C3022
0.1
C3020
0.1
C3019
0.1C3017
0.1C3016
0.1
C3015
0.1
C3014
0.1
C3029
0.1
C3025
0.1
C3024
0.1
C3013
100
R3054
100
R3102
100
R3252
100
R3251 100
R3202
100
R3201
R3152
100
R3151
100 100
R3101
47
R3055
470
R3053
100
R3026
100
R3024
22R3023
100
R3017
100
R3015
22
R3014
470
R3012
470
R3011
470
R3021
470
R3022
10k
R3013
22k
R3091
22k
R3092
22k
R3093
22k
R3094
33k
R3085
33k
R3086
1M
R3052
1uH
L3054
49.1MHz
X3051
5
43
2
1
TK11118CSCL-G
IC3050
CONT
GND
NP
VOUT
VIN
RT1P141C-TP-1
Q3081
8765
4321
NJM4565M(TE2)
IC3001
C3060
10p
JL3004 JL3003
TP3084
TP3083
TP3082
TP3054
TP3030
TP3022
TP3053
TP3015
TP3002
TP3081
TP3136
TP3024
TP3036
TP3026
1
2
3
4
4P
CN3001
HP-R
GND
HP-L
H/P MUTE
D3.3V
A12V
1
C3052
0
R3041
0
R3042
0
R3044 0
R3040
0
R3043
TP3029
TP3131
TP3130 TP3129
100p
C3092
100p
C3093
10k
R3087
10k
R3088
10k
R3090
10k
R3089
33k
R3099
33k
R3098 3.3k
R3095
4.7k
R3096
100k
R3051
C3003
1000p
10V
220
C3082
10V
220
C3081
C3008
0.1
1
2
3
4
4P
CN904
P-GND
P-GND
+31.5V
+31.5V
12345678
9101112
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14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9788AR
IC3010
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
12345678
9101112
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9788AR
IC3020
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
R3056
0
10uH
L3053
10uH
L3051
L3052
10uH
8765
4321
TC7WHU04FK(T5RSOYF
IC3051
GND
VCC
0
R3050
Bup3.3V
R3049
0
R3047
10k
HPMUTE
SC_DT PGMUTE INIT SOFTMUTE SCSHIFT
SC_DT
PGMUTE SCSHIFT SOLATCH1 SOFTMUTE INIT
SOLATCH2
OVF
-
-
+
+
(DATA1) (DATA2)
+1.8V REGULATOR
IC3050
OSC BUFFER
IC3051
STREAM PROCESSOR
IC3010
STREAM PROCESSOR
IC3020
IC3001
HEADPHONEAMP
23
13
14
15
19
20
21
18
16
22
17
39
34
38
37
42
41
35
31
32
33
30
40
36
(4/12)MAIN BOARD
GND
VCC
MUTING CONTROL
(HDX279W/HDX576WF) HDX275/HDX277WC
HDX475/HDX675
64
B
E
G
15
F
2
J
A
13 108
C
H
D
7
I
1391214115
(Page 38)
(Page 37)
(Page 41)
(Page 63)
(Page 57)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4040
6-12. SCHEMATIC DIAGRAM - MAIN Board (5/12) - • See page 64 for Waveforms. • See page 65 for IC Block Diagrams. • See page 75 for IC Pin Function Description.
SERIPARA
G
BOARD
CN650
I/O
CN407
BOARD
F
(6/12)
BOARD
MAIN
12
BOARD
(6/12)
13
MAIN
4
IC B/D
11
MAIN
BOARD
(6/12)
BOARD
10
MAIN
(10/12)
BOARD
9
MAIN
(7/12)
3.3 3.5
4
0
3.3
0.4
0
3.3
2.2
3.3
3.3
3.3
3.3
3.1
3.3
3.1
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0 0
3.3
0 0 0 0 0 0
3.3 (0)
3.3 3.1 3.4 3.3 1.9 1.6 3.3 3.3
0 3
0.2
3.3
3.3
3.3
3.3
3.3
3.3
2.6
2.3
0
0
3.3
3.3
0
3.3
3.3
3.3
0 (3.3)
0 (3.3)
0 0 0 0 0 0 0 3.3 3.3 3.3 3.3 3.3 (0) 3.3 3.3 3.3 3.3 3.3 1.7 0.1 (3.2) 0.3 0 (3.3) 3
1.7
1.7
3.3
3.3
0.1
0.01
C505
R604
100
100
R605
100
R606
100
R607
100
R611
100
R612
100
R613
R506
R504
R532 1k
R534
10k
R531 10k
R559 10k
10k
R527
R528 10k
C504
0.01
R505
R507
∗
∗
∗
ICT545
ICT543
ICT541
TP607
TP610
TP609
TP605
TP608
TP611
TP613
TP574
TP606
TP612
TP573
123456789101112131415161718192021222324252627282930
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
515253545556575859606162636465666768697071727374757677787980
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC501
R5F3640DDFA
DAMP_SCDT DAMP_SHIFT CEC_RX_IN SIRCS_IN NO USE NO USE NO USE BYTE CNVSS EN_A EN_B RESET XOUT VSS XIN VCC NMI NO USE A.CAL_OUT_LEVEL AC_CUT FL_CLK/LED_CLK CEC_TX_OUT FL_STB FL_D_OUT/LED_DATA S-AIR_SRC_MUTE MIC_GAIN NO USE DC_CONT DMPORT_RX_IN
DMPORT _TX_OUT
DVD_SID
DVD_SOD
DVD_SCO
DVD_XIFBUSY
NO_USE
NO_USE
DVD XIFCS
MTK RST
P_CONT1
P_CONT2
P_CONT3
DRIVE_RST(EN)
DRIVE_OCP(DIAG)/POWER_DET
OVERFLOW1
OVERFLOW2
CE
EEPROM_SDA/I2C_DATA
EEPROM_SCL/I2C_CLK
DAMP_LATCH3
DAMP_INIT
DAMP_SOFT
_MUTE
M_ST
HP_MUTE
S-AIR_ADC_SEL
NO_USE
DAMP_LATCH2
DC_DET
S-AIR_RST(SRC RST)
NO USE NO USE NO USE
VCC
HDMI_PCONT
VSS
DAMP_LATCH1
S-AIR_GPIO_2
TUNED
ST_CLK
ST_DO
ST_CE
ST_DI
KEY INT
LED_LAT
NO USE NO USE
S-AIR_I2C_SDA
S-AIR_I2C_SCL
NO USE
NO USE
NO USE
V_SEL0
V_SEL1
IO_CE
IO_RESET
IO_DI
IO_DO
IO_CLK
DMPORT_DET
MONO/ST_DET
A.CAL_MIC_LEVEL
DESTINATION
MODEL
KEY2
KEY1
VSS
KEY0
VREF
VCC
NO USE
R603
100
S-AIR
10kR519
1kR529
0.1
C515
0
R536
5MHz
X501
0.1
C517
10kR539
47k
R556
ICT544
47k
R557
2SC3052EF-T1-LEF
Q503 ICT546
100k
R561
47k
R562
0.22
C520
10k
R563
0.01
C521
5
43
2
1
PST3635NR
IC503
OUT
VDD
GND NC
Cd
0.1
C523
0.22
C522
R593
10k
R595
10k
0.1
C518 ICT538
1kR515
1kR516
100
R509
10k
R512
0.1
C501
0.1
C502
0.1
C508
0.1
C503
0.1
C507
10kR514
M+12V
100
R639
R640
100
R642
100
R645 100
1k
R552
10k
R553
ICT549
R555
10k
TP625
TP626
TP627
TP628
TP629
TP630
TP632
TP623
10k
R542
10k
R586
1M
R501
ICT591
ICT592
R644 100
0
R543
10k
R544
100
R502
R622
100
R623
100
R624
100
R625
100
R583
47k
1k
R511
1k
R513
TP564
TP563
ICT537
MC2836
D505
L302
10uH
R317 100
16V
C313
100
R328
75
R329
470
J302
(HDX576WF)
(EXCEPT HDX576WF)
16V
C315
100
L301
10uH
5
43
2
1
TC7SHU04FU(T5RSOJF)
IC302
R318
100
VCC
OUT
GND
TORX147L
IC301 3
1
2
DMP_TXD
DMP_RXD
R685
0
C314
0.1
C312
0.1
C317
0.1
M-GND
47k
R628
22k
R627
10k
R626
4.7k
R577
4.7k
R576
4.7k
R578
100
R650
100
R551
R629
100
R643
100
TP624
TP633
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN625
M-GND
M+12V
D-GND
D3.3V
IORST
IOCE
IOCLK
IODO
IODI
SACD_SEL
C_SWR_SEL
DIR_S-AIR_RST
DSP_RST
COAX-IN
M_ST
OPT-IN
10k
R510
MA2J1110GLS0
D501
DMP_DET
R638 0
R582
10k
1
2
3
4
5
6
7
8
9
9P
CN606
10kR558
TUNED
ST_DI
ST_CE
ST_DO
ST_CLK
EN
DIAG
OVF1
OVF2
LAT3
NS_INIT
HPMUTE
SHIFT
ST_CLK
ST_DO
ST_CE
CEC_RX_IN CEC_TX_OUT
A.CAL_OUT
IODI
IODO
IOCLK
IOCE
IORST
LAT1
I2C_CLK
S-AIR_RST
HDMI_PCONT
P_CONT2
I2C_DATA
P_CONT3
JACK2
LAT2
SOFT_MUTE
S-AIR_ADC_SEL
LED_LAT
TUNED
DC-DET
GPIO2
ST_DI
JACK1
I2C_CLK_S-AIR
S-AIR_DET
I2C_SDA_S-AIR
SCDT
RESET CNVSS
KEY2
MONO/ST_DET
A.CAL
KEY1
KEY0
IOCE
IORST
IODI
IODO
IOCLK
IFSDI
IFSDO
IFSCK
XIFBSY
XIFCS
XSYSRST
P_CONT1
EN_A
DC_CONT MIC_GAIN
FL_DATA
FL_CS
FL_CLK
EN_B
SIRCS
RESET SWITCH GENERATOR
IC503
SYSTEM CONTROLLER
IC501
WAVE SHAPER
IC302
(5/12)MAIN BOARD
IC301
OPTICALRECEIVER
51
52
54
55
56
57
58
59
60
61
64
RESET SWITCH
47k
∗R504
10k (HDX275: E3)
15k (HDX275: AUS)
47k
(EXCEPT HDX275: AUS)
∗R505
47k (HDX275: E3, AUS)
22k
(EXCEPT HDX275: AUS)
3.3k (HDX675)
∗R506
3.3k (HDX275)
6.8k (HDX279W)
10k (HDX277WC)
22k (HDX475)
47k (HDX576WF/HDX675)
TUNED
ST_CLK
ST_DO
ST_CE
ST_DI
A12V
V_SEL0
V_SEL1
TV_SEL
VCCNC
GND
COAXIAL
OPTICAL
DIGITALIN
TV/VIDEO
DIGITALIN
TV
HDX275/HDX277WC/HDX279W/
HDX475/HDX576WF
2
E
J
158
F
D
H
B
691210
G
17161173 15
C
I
14
A
413
K
R319
47k
(MIC/A.CAL_SW)/
(HP_SW and MIC2_SW)/
S-AIR_DET
(Page 42)
(Page 54)
(Page 41)
(Page 48)
(Page 45)
(Page
41)
(Page 41)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4141
6-13. SCHEMATIC DIAGRAM - MAIN Board (6/12) - • See page 65 for IC Block Diagrams.
POWER
CN906
BOARD
J
BOARD
H
CN103
JACK-KEY
MAIN
(5/12)
12
BOARD
(8/12)
20
BOARD
MAIN
(9/12)
17
BOARD
MAIN
23
(7/12)
MAIN
BOARD
BOARD
MAIN
(8/12)
25
(12/12)
36
MAIN
BOARD
IC B/D
IC B/D
(1/12)
1
MAIN
BOARD
11
(5/12)
BOARD
MAIN
BOARD
18
(11/12)
MAIN
(7/12)
MAIN
BOARD
15
(4/12)
8
BOARD
MAIN
IC B/D IC B/D
MAIN
BOARD
16
(9/12)
19
MAIN
(9/12)
BOARD
MAIN
BOARD
5
(3/12)
13
BOARD
(5/12)
MAIN
(10/12)
14
BOARD
MAIN
5 5
6.8 3.1 3.3 3.3
4
3.1
3.16.8
11.34.9
3.1
1.3
6.8
4.9
3.3
3.3
3.3
R569
0
R568
0
R567
0
R566
0
R565
0
R564
0
OVF2
OVF1
DIAG 10V
100
C526
0.1
C531
0.1
C533
TP541
TP529
TP531
TP533
TP538
TP534
TP537
TP535
FB510
FB506
100
R579
0.1
C532
1000p
C538
TP553
TP551
TP550
TP542
TP539
TP540
TP543
TP544
TP545
TP547
R636
0
IFSCK
IFSDO
CEC_RX_IN
XSYSRST
XSYSRST
M+12V
6.3V
1000
C528
DC-DET
A.CAL_OUT
SL501
SL502
SL503
SL504
10k
R631
2SC3052EF-T1-LEF
Q631
47k
R632
TP635
TP636
TP637
2SC3052EF-T1-LEF
Q632
R584 1k
P_CONT2
+6V
16V
100
C539
1
2
3
4
5
6
7
8
9
9P
CN504
D-GND
TXD1
RTS1
3.3V
CLK1
RXD1
CNVSS
RESET
D-GND
0.01
C581
0.01
C592
1.5k
R598
10k
R587
39k
R588
0.1
C582
22k
R597
10V
100
C583
1k
R589
10k
R596
0.01
C591
12345
SI-3010KM-TLS
IC506
Vcont Vin GND Vout Sense
10V
100
C593
100
R580
R590
1k R599
1k
TP536
16V
100
C594
16V
100
C584 M-GND
1
3
4
5
6
7
8
9
10
11
12
13
14
14P
CN506
P_CONT1
EN
P_CONT3
E4V
6V
6V
D-GND
D-GND
M+9V
M-GND
M+14V
12V
A-GND
M+14V
TP552
LAT3
EN
NS_INIT
D3.3V
A12V
SOFT_MUTE
HPMUTE
SCDT
SHIFT
LAT1
D-GND
LAT2
XSYSRST
5V
XIFCS
IFSDI
XIFBSY
CEC_TX_OUT
M+9V
A-GND
A5V
1000p
C574
1
C571
0.1
C572 50V
22
C573
5
43
2
1
TK11150CSCL-G
IC507
CONT
GND
NPVOUT
VIN
R546
1k
MC2836
D502
R540
10k
TP582
TP583
TP584
TP585
TP586
TP587
TP588
FB508
FB505
R508
0
C527
1000
6.3V
Bup3.3V
R592
0
HDMI_PCONT
12345
SI-3010KM-TLS
IC505
Vcont Vin GND Vout Sense
1k
R526
TP514
1
C509
0.1
C510
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN501
LED_LATCH
6V
GAIN-CONT
PLAG-DET2
MO/ST-DET
A.CAL
DC-CONT
ENCODER_A
PLAG-DET1
ENCODER_B
D-GND
KEY2
E+4V
KEY1
SIRCS
KEY0
D-GND(FL)
5V
FL_CS
FL_DATA
FL_CLK
R547
0
TP512
100
R530
TP519
TP508
TP515
1
C516
R537
1k
100
R533
R608
4.7k
TP503
TP501
100
R518
R609
4.7k
TP520
TP507
R548
0
TP518
TP502
TP505
TP521
TP510
TP504
0.1
C512
TP506
C511
0.1
100
R535
100
R517
TP517
TP509
8
7
6
54
3
2
1
S-24CS16A0I-J8T1G
IC510
A0
A1
A2
GND SDA
SCL
WE
VCC
R648
0
1
2
34
5
6
TK11250CMCL-G
IC502
CONT
GND
Np Vout
GND
Vin
TP513
E3.3V
A5V
D-GND
D3.3V
D3.3V
+6V
D3.3V
M-GND
A12V
M-GND
D-GND
P_CONT3
D3.3V
D3.3V
+6V
5V
5V
D-GND
D-GND
OVF2
OVF1
LAT3
LAT2
LAT1
SHIFT
SCDT
SOFT_MUTE
NS_INIT
IFSCK
IFSDO
IFSDI
IFSCK
IFSDO
CNVSS
RESET
XIFBSY
IFSDI
XSYSRST
XIFCS
HDMI_PCONT
CEC_RX_IN
CEC_TX_OUT
P_CONT1
DIAG
EN
KEY2KEY2
JACK2JACK2
MIC_GAIN
FL_CLK
LED_LAT
JACK1JACK1
KEY1KEY1
KEY0
KEY0
EN_A
EN_A
I2C_CLK
DC_CONT
FL_CS
MONO/ST_DET
MONO/ST_DET
EN_BEN_B
TP516 A.CAL
SIRCS
FL_DATA
I2C_DATA
P_CONT3
XIFBSY
P_CONT3
DC-DET
A.CAL_OUT
HPMUTE
P_CONT2
IC507
+5V REGULATOR
+3.3V REGULATOR
IC506
+5V REGULATOR
IC505
52
60
55
59
58
57
51
54
56
64
61
IC510
+5V REGULATOR EEPROM
IC502
MAIN BOARD (6/12)
(NC)
421 86
F
J
15
C
A
D
H
1610 1211
B
E
71314
I
39
G
5
Q631, 632
DC DETECT
(Page 38)
(Page 40)
(Page 44)
(Page 44)
(Page
45)
(Page 40)
(Page 57)
(Page 42)
(Page 39)
(Page
63)
(Page 36)
(Page 40)
(Page 46)
(Page 44)
(Page 43)
(Page 42)
(Page 43)
(Page 47)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4242
6-14. SCHEMATIC DIAGRAM - MAIN Board (7/12) - • See page 64 for Waveforms. • See page 65 for IC Block Diagrams.
INC
K1
CN800
BOARD
S-AIR
BOARD
L
CN410
I/O
BOARD
MAIN
15
(6/12)
IC B/D
6
MAIN
BOARD
(3/12)
IC B/D
23
(6/12)
MAIN
BOARD
9
BOARD
MAIN
(5/12)
(12/12)
22
BOARD
MAIN
5
CON
K2
CN112
BOARD
S-AIR
BOARD
MAIN
38
(8/12)
BOARD
MAIN
37
(8/12)
21
BOARD
MAIN
(8/12)
IC B/D
0 1.5
3.3
0 0
1.7 1.6
0
1.5 1.6 3.3 3.3
0
1.6
1.6
0.1
1.7
3.3
0
0
0
3.3
0
3.3
3.3
3.3
3.3
0 3.3 3.3 1.6 0 0
2.5 2.5 3.3 1.2 1.6
2.5 4.9 3.3 1.7 1.6
R652
100
R655
100
R656
100
R657
100
R654
100
TP651
TP652
TP653
TP658
TP655
TP656
TP657
S-AIR
TP707
TP706
TP705
TP704
TP703
TP702
TP711
TP710
TP709
A5V
A-GND
OPT-IN
COAX-IN
100R724
100R723
R722 100
0
R721
0R748
0R747
0R746
100R729
100R730
0R744
0.1
C722
TP729
1M
R733
12.288 MHz
X701
100
R736
ICT527
ICT526
ICT528
ICT529
100
R738
100
R743
0R740
0R741
0.1
C727
100
R735
100
R734
100
R726
100
R719
4.7k
R714
5.6k
R715
100
R718
100
R717
0.1
C723
0.01C721
ICT523 ICT524
10V
220
C720
0.01
C716
0.1
C719
0.1C711 0.01C712
33kR713
100
R716
ICT533
ICT532
10V220C709
ICT520
D-GND
D3.3V
SPBCK
MDIR_XSTATE
SPLRCK
ASD0
ASD1
ASD2
ASD3
BCKO
LRCKO
MCKO
R778
0
47R780 47R781
ICL522
ICT588
ICT587
ICT581
ICT589
ICT582 ICT555
ICT556
ICT557
ICT558
ICT559
ICT560
ICT561
TP654
TP660
ICT568
ICT569
ICT570
ICT571
ICT572
ICT573
0R790
R791 0
470p
C772
470p
C773
50V10
C706
50V10C717
50V
10
C705
0.1
C707
0.1
C708
0.1C718
1
2
3
4
5
5P
CN702
MUSIC L+R
A-GND
R-IN
A-GND
L-IN
C3073
0.1
8765
4321
TC7WH157FK(TE85R)
IC3003
A B Y
GNDY
A/B
G
VCC
R3079
100
M_ST
0.1
C3072
R3097
100
R3077
100 R3078 100
C710 0.01
14 13 12 11 10 9 8
7654321
IC707 PCM1808PWR
Vref AGND AVcc DVdd DGND SCKI LRCK BCK
DOUT
MOD0 MOD1
FMT
VinL
VinR
10p
C724 10p
C725
330
R732
MC2837
D701
R663
100
R664
100
R662
100
TP661
TP662
TP663
TP664
TP665
R651
100
100
R683
R793
0
100R787
R788
0
100
R690
R666
100
R667
100
TP659
R794 0
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
3738
39404142434445464748
LC89056W-E
IC702
DISEL(I)
SPDIF(O)
DIN0(I)
DIN1(I)
DIN2(I)
DGND
DVDD
SDIN / R
AGND / VIN
LPF(O)
AVDD
AGND
CKOUT(O)
BCK(O)
LRCK(O) DATA(O)
XSTATE(O)
DGND
DVDD
XMCK(O)
XOUT(O)
XIN(I)
EMPHA(O)
AUDIO-(O)
CSFLAG(O)
F0(O)
F1(O)
F2(O)
VF(O)
DVDD
DGND
VREF
BPSYNC(O)
ERROR(O)
DO(O)
DI(I)
CE(I) CL(I)
XSEL(I)
MODE0(I) MODE1(I)
DGND DVDD
DOSEL0(I)
DOSEL1(I) CKSEL0(I) CKSEL1(I)
XMODE(I)
AMP_D2
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
SPMCKO
AMP_D1
TP700
10uH
L702
10uH
L703
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN651
HDX275/
HDX475/
HDX675
I2C_SCL
ADC_SEL
SRC_MUTE
SD1(DMIX/XM)
BCK2(SL/SR)
LRCK1(DMIX/XM)
SD2(SL/SR)
GND
S-AIR_DET
GPIO2
LRCK2(SL/SR)
BCK1(DMIX/XM)
IFMT0
RESET(S-AIR)
I2C_SDA
GND
A5V_SW TP667
R661
0
R621
100
P_CONT3
R660
0
10uH
L701
TP708
S-AIR_ADC_SEL
I2C_CLK_S-AIR
GPIO2
S-AIR_RST
I2C_SDA_S-AIR
S-AIR_DET
100R750 MDIR_AUDIO
MDIR_CSFLAG
MDIR_ERROR
MDIR_DO
MDIR_DI
0R769
0R763
0R768
0R767
MDIR_CE
0R766 MDIR_CK
0R765
XSYSRST
0R749
0R745 SPDATA
0R764
R720
10k 10k
R710
R797 0
R737
10k 10k
R742
AUDIO SELECTOR
IC3003
MAIN BOARD (7/12)
A/D CONVERTER
IC707
I
8
D
B
E
2117
H
13
G
14912
K
5
C
4361
F
J
A
1510
INTERFACE RECEIVER
DIGITALAUDIO
IC702
HDX277WC/
HDX279W/
HDX576WF
0R785
0R783
0R784
0R782
0R709
ADIN
ALRCK
ABCK
ACLK
0
R796
R691 0
0 0 0 0 0 0
R692 R693 R697 R694 R695 R696
47
R725
47
R727
1k
R731
0
R728
E
EB702
(CHASSIS)
(Page 51)
(Page 49)
(Page 47)
(Page 43)
(Page 54)
(Page 41)
(Page 40)
(Page 38)
(Page 41)
(Page
43)
(Page 43)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4343
6-15. SCHEMATIC DIAGRAM - MAIN Board (8/12) - • See page 64 for Waveforms. • See page 65 for IC Block Diagrams. • See page 75 for IC Pin Function Description.
MAIN
(9/12)
BOARD
32
31
BOARD
(11/12)
MAIN
MAIN
(9/12)
BOARD
30
29
BOARD
(9/12)
MAIN
28
MAIN
(9/12)
BOARD
20
BOARD
(6/12)
MAIN
(11/12)
BOARD
27
MAIN
IC B/D
34
MAIN
(12/12)
BOARD
(11/12)
26
BOARD
MAIN
24
BOARD
MAIN
(11/12)
25
BOARD
MAIN
(6/12)
(12/12)
BOARD
33
MAIN
12
6
11 10
9
8
7
(7/12)
BOARD
38
MAIN
(7/12)
BOARD
37
MAIN
(7/12)
BOARD
21
MAIN
0.4
3.3
0.6
3.3
0.3
0.3
0.6
0
0
1.8
0
0
0
0
1.8
0
0
0
3.3
3.3
1.3
0
3.2
1.8
3.2
0 (3.3)
3.3
3.3
1.9 (1.5)
1.1 (0)
2.2 (0)
1.7
0
0
0
3.3
1.5
3.3
1.8 (∗)
0.7 (∗)
1.8
0.9 (∗)
0.5 (∗)
0 (∗)
1.5 (∗)
0.9 (∗)
2.6 (∗)
3.1 (∗)
2.8 (∗)
3.2 (∗)
1 (∗)
3.3
3.3 (∗)
1 (∗)
1.2 (∗) 0.6 (∗) 1.1 (∗) 1.3 (∗)
1 (∗)
1 (∗)
0.9 (∗) 1.1 (∗) 0.8 (∗)
0.8 3.3
0.5 (∗) 0.5 (∗) 0.8 (∗) 1 (2.8) 0.7 (∗)
3.3
0.9 (∗)
3.3
2.8 (∗)
3.3 0.5 3.3
0
1.8 3.3 3.3 3.3
0.8 (2.4)
0
2.1 (1.1)
1.9
0.7 (1.6)
2
0.1 (1.2) 1.9 (1.1)
1.9
0
1.3
0 2 0
1.6 2.1
2.5 (1.8)
1.8
2.1 (1)
1.3 1.3 3.3
1.9 (0)
3.3
1.6 (0.7)
3.3 3.3 3.3 3.3 3.3 3.3
1.6
1.1
0.8
3.3
1.6
1.6
1.6
1.6
2
2
2
2
2
2
2
0
3.3 (2.6)
3.3
3.3
2.7
2
1.4
1.3
1.7
1.4 (0.4)
1.4 (2)
1.4
1.6
1.4
1.2
1.8
3.3
0
1.8
0.8
0
0 (3.3)
0 (3.3)
1.8
2.1
2
2
2.1 (1.7)
2.5
2.3 (1.8)
1.6
1.3 (3)
0
1.2 1.2 3.3 3.1 0 0 0 0 0 1.4 1.6 1.7 3.3 0 0 1.8 0 3.3 0 1.7 1.6 3.3 3.3 0 0 0 0 1.8 1.8 3.3 0 0.8 3.3 0 (1.5) 3.3 3.3 0 (1.5) 3.3 1.3 1.4 1.6 1.3 (1.8) 1.6 1.6
0.6 (1.4) 0.7 (1.2)
3.3 1.8
5 3.3
3.3 1.3
0 (3.3)
4.9 (0)
0
0 (3.3)
0
0
0 (4.9)
0
3.3 (2.6) 3.3
3.63.6
00
0 (1.2) 0 (1.2) 0 (0.6) 0 (1.2)
0.1
C1149
47kR1124
0.1
C1133
47
R1185
0.01
C1162
22
R1161
3.3kR2151
0.1
C1192
100
R1156
22R1112
0.01
C1156
4700pC1199
0
RB1113
100kR1114
0.1C1116
0.1C1137
0
R1109
0.01C1113
0.01
C1164
1
C1120
22R1115
0.01
C1175
0.033C1135
0R1152
1
C1122
100
R1101
10k
R1107
0.01
C1136
10V
47
C1105
0.22
C1195
47k
R1117
1k
R1116
0.1
C1126
47
R1184
0.01
C1161
1
C1124
3.3kR2150
0.047
C1148
0.01
C1101
22R1121
0.1C1115
10V47C1112
0.1
C1130
1M
R1108
0.01
C1155
47
R1159
47
R1164
47
R1163
47
R1162
47
R1165
0.1
C1140
27MHz
X1101
47
R1160
47
R1225
0.1
C1125
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CN1101
24P
GND (LD)
LD (650)
NC
NC
PD
LD (780)
VR (650)
VR (780)
NC
VOE/E+G
VCC
VC
GND (PDIC)
VOF/F+H
VOB/B
VOA/A
RF
(LO:DVD.HI:CD)MSW
VOD/D
VOC/C
TRK-
TRK+
FCS+
FCS-
0.01
C1106
3.3kR2152
0.01
C1163
47
R1183
0.1
C1132
0R1155
22p
C1139
22R1113
0.01
C1158
0
RB1112
5 4
321
TK11133CSCL-G
IC1107
CONT GND NOISE VOUT
VIN
0.01
C1174
0
R1123
100kR1132
0.01
C1127
47kR1110
0.22
C1193
0.1
C1146
22R1118
RT1N241C-TP-1
Q1103
0.01
C1160
0.01
C1176
22R1120
1
C1123
0.047
C1147
100k
R2129
15k
R1136
100
R1111
R2115 0
C1169
0.1
1
C1121
D1 G2 S2
D2G1S1
UM6K1N-TN
Q1101
Q1102
QST8TR
-1
-2
JL2101
JL2102
JL2105
JL2106
JL2107
JL2108
JL2110
JL2111
JL2112
JL2113
JL2114
JL2115
JL2116
JL2117
JL2118
JL2119
JL2120
JL2121
JL2122
JL2123
JL2124
JL1160
CL1106
CL1107
CL1108
CL1105
CL1101
REG01
TRK-
TRK+
FCS+
FCS-
REG02
TRO
IOP
FOO
IOPMON
TSD_M
DMO
FMO
VREFO
RF+3.3V
5V
D-GND
IO
G
MM1661JTRE
IC1110
13
2
1
C1198
0.33
C1183 1k
R2178
FB1112
0
R2134
0
R2176
CL1121
CL2101
CL2102
0R1145
0R1147 0R1148 0R2119 0R1153 0R1154
CL1123
0
R1139
22
R2114
0
RB1110
0
RB1104
0
RB1111
0
RB1109
0
RB1103
0
RB1115
0
RB1114
R1176
10k
0
R1133
0
R1175
FB2121
FB2120
FB2124
FB2122
MUTE
MUTE123
0.1
C1171
100k
R1142
0
R2167 12p
C1152
12p
C1153
1000p
C1151
680k
R1141
FB1107
16V
10
C1145
FB2101
4.7
100 6.3V
C2108
C2109
FB2103
CL1112
CL1113
CL1114
CL1115
CL1116
CL1117
CL1118
1000p
C1138
330
R2168
6.3V100
C2110
CL2103
CL2104
0.1C1114
CL2120
0.1
C1154
0.1C1165
FB1109
JL2103
JL2104
JL2109
3.3k
R1782
0R1785
CL1109
100R1171 100R2179
0R2177
5.1kR1103
CL2138
100
R2184
100
R2185
10k
R2180
4.7k
R2104
CL1110
CL2107
CL2108
CL2109
6.3V
100
C1111
10
C1129
0.1
C1159
10V47C1117
10V
47
C1118
10V47C1119
5600p
C2502
0.1
C1108
0.1
C1109
FB1115
FB1116
10C2115
0.1C2114
0.1
C2116
10
C2117
FB1117
0.1C2118
4.7C2503
FB1118 0.1
C1172
1000p
C2119
CL2123 CL2124 CL2125 CL2126
1500pC1170
10k
R2155
10k
R2156
10k
R2157
10k
R2158
10k
R2159
2.7k
R1730
560
R2101
R2136
47
1k
R1140
XIFCS
XIFBSY
IFSDI
0.01
C1144
47
R1146
3.3k
R1781
R2188 0 R2182 0
ALRCK ACLK ABCK
ALRCK
ACLK
ABCK
ASDATA0 ASDATA1 ASDATA2 ASDATA3
C
CB/B
CR/R
Y/G
IFSCK
IFSDO
FB2125 Y
10V47C1177
10V
47
C1187
R1102
0
FB1113
R2160
10k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
100 101 102 103 104 105 106 107 108 109
110
111
112 113 114 115 116 117 118 119
120 121 122 123 124 125 126 127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194 195 196 197 198 199 200 201 202 203 204 205 206 207 208
209 210
211
212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230
240
231 232 233 234 235 236 237
238 239 241 242 243 244
255 256
245 246 247 248 249 250 251 252
253 254
IC1101
CXD9917R (HDX275: E3, AUS)
CXD9927R (EXCEPT HDX275: E3, AUS)
OSN
RFGC
IREF
AVDD3
AGND
DVDA
DVDB
DVDC
DVDD
DVDRFIP
MA
MB
MC
MD
SA
SB
TNI
TPI
MDI1
MDI2
LDO2
LDO1
SVDD3
CSO
RFLVL
SGND
V2REFO
V2O
VREFO
FEO
TEO
TEZISLV
OP_OUT
OP_INN
OP_INP
DMO
FMO
TROPENPWM
IOPMON
TRO
FOO
AGND18
AVDD18
USB_DP
USB_DM
USB_VDD3
USB_VSS
PAD_VRT
USB_VDD18
USB_VSS
DIR_ERROR/NC
DIR_AUDIO/NC
LIMITSW
MSW
DVDD18
HA2
HA3
HA4
HA5
HA6
HA7
HA8
HA18
HA19
DVDD3 XWR HA16 HA15 HA14 HA13 HA12 HA11 HA10 HA9 HA20 XROMCS HA1 XRD HD0 HD1 DVSS HD2 HD3 HD4 HD5 HD6 HA21 RESERVED HD7 DVSS HA17 HA0 DVDD18 FWD REV DVDD3 IFSDO IFCK xIFCS IFSDI SCL SDA CKSW OCSW RXD TXD ICE xSYSRST RESERVED IFBSY DQM0 EEWP RD7 RD6 RD5 RD4 RD3 DVDD3 RD2 RD1 RD0 RD15 RD14 RD13 RD12 RD11 RD10 RD9
RD8
TSD_M
DVDD3
DQM1
_RWE
_CAS
_RAS
_RCS
BA0
BA1
RA10
RA0
RA1
DVDD18
RA2
RA3
DVDD3
DRCLK
CKE
DVSS
RA11
RA9
RA8
RA7
RA6
RA5
RA4
DVDD3
MUTE123
MUTE
DDC_DA
DVDD18
DDC_CLK
HTPLG
AGND3
EXT_RES
AVDD3
AVDD3
EXT_CAP
AGND3
AGND18
TXCN
TXCP
AVDD18
TX0N
TX0P
AGND18
TX1N
TX1P
AVDD18
TX2N
TX2P
AGND18
R/Cr/Pr
B/Cb/Pb
DACVSSA
Y/G
DACVDDA
CVBS
DACVSSB
C
DACVDDB
Y
DACVSSC
FS
VREF
DACVDDC
VBUS_OE
VBUS_OC
DIR_XSTATE
SPMCK
SPBCK
SPLRCK
SPMCK
SPBCK
SPLRCK
ADIN(SPDATA)
ACLK
ABCK
ALRCK
MC_DATA(ADIN)
DVDD3
MIC
WIDE
REG_SEL/DSEL
TRG_SW
DVDD18
KMOD
XVOICE/DIR_CSFLAG
SPDIF
APLLVDD3
APLLCAP APLLVSS
ADACVSS2 ADACVSS1
DIR_CE
ASDATA3 ASDATA2
AVCM
ASDATA1 ASDATA0
DIR_CL DIR_CL
ADACVDD1 ADACVDD2
DIR_DI
DIR_DO
ADACVSS1
ADACVDD1
SADCVDD18
SADCVSS18
RFGND18
RFVDD18
XTALO
XTALI
JITFO JITFN
PLLVSS
PLLVDD3
LPFON
LPFIP
LPFIN
LPFOP
ADCVDD3
ADCVSS
RFVDD3
RFRPDC
RFRPAC
HRFZC
CRTPLP
RFGND18
OSP
SPFG
MDIR_AUDIO
MDIR_ERROR
LIMITSW
D-GND
D3.3V
5V
TRK+
FCS+
FCS-
FCS+
TRK-
FCS-
TRK+
TRK-
A0
A20 A13 A14 XWR HD2 HD3 HD4
HD6
RD6 RD5 RD4
RD3 RD2 RD1 RD0
VOE
VOF
VOB
VOA
VOD
A19
A18
A2
A3
A4
A5
A6
A7
XROMCS A1 XRD HD0 HD1 HD5 A17
DQMO
RD7
RA4
RA5
RA6
RA7
RA9
RA11
CLKE
RA3
RA2
RA1
RA0
RA10
BA1
BA0
RCS
RAS
CAS
RWE
DQM1
RD9
RD10
RD11
RD12
RD13
RD14
RD15
VOD
VOC
VOB
VOA
VOE
VOF
TRO
FOO
0
R2162
0DIR_DI
DIR_DO
R2161
100
R2120
DIR_CE
100
R2131
DMO
TRO
A12 A11 A10 A9
A8
RD8
RA8
A16 A15 HD7
A21
VOC
CD_LD
DVD_LD
DVD_LD
CD_LD
FOO
FMO
DMO
FMO
SPFG
IC1107
+3.3V REGULATOR
IC1110
+1.8V REGULATOR
85
74
78
80
88
84
73
77
83
71
87
76
82
90
72
86
75
79
81
89
91
92 93 94 95 96 97 98 99
100 101 102
(8/12)MAIN BOARD
IC1101
RF AMP, SERVO DSP, MPEG DECODER,
HDMI TRANSMITTER
711
D
21
B
1669 1710
F
5
N
15
L
K
193
G
201 1812
C
M
E
H
8
J
413
A
142
I
SPFG
SPFG
Q1102-1
AUTOMATIC POWER CONTROL(CD)
Q1102-2
AUTOMATIC POWER CONTROL(DVD)
Q1101-2
CD ON SWITCH
Q1101-1
DVD ON SWITCH
INVERTER
22
OPTICAL
PICK-UP
(1/2)
BLOCK
KHM-313CAB
KHM-310CAB
or
CSFLAG
ADIN
SPDATA
100
R2130 XSTATE
ALRCK
ACLK
ABCK
ADIN
ALRCK
ACLK
ABCK
ADIN
MDIR_DO
MDIR_DI
MDIR_CL
MDIR_CE
MDIR_CSFLAG
MDIR_XSTATE
DIR_CL
DIR_DI
DIR_DO
DIR_CE
SPDATA
SPLRCK
XSTATE
CSFLAG
SPBCK
SPMCK
SPDATA
SPLRCK
SPBCK
SPMCK
(Page 46)
(Page 41)
(Page 46)
(Page 42)
(Page 46)
(Page 44) (Page 41) (Page 44)
(Page 47)
(Page 42)
(Page
42)
(Page 47)
(Page 44)
(Page 46)
(Page 44)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4444
6-16. SCHEMATIC DIAGRAM - MAIN Board (9/12) - • See page 65 for IC Block Diagrams.
Note: IC1103 on the MAINboardcannotexchangewithsingle. When IC1103
on the MAIN board is damaged, exchange the entire mounted board.
(8/12)
MAIN
29
BOARD
MAIN
(8/12)
BOARD
32
28
BOARD
(8/12)
MAIN
IC B/DIC B/D
IC B/D
BOARD
(8/12)
MAIN
30
(6/12)
BOARD
19
MAIN
BOARD
(6/12)
MAIN
16
BOARD
(6/12)
MAIN
17
6.8
4.9
3.3
1.3
3.3
2.72.7
1.7
2.8
3.3
0
3.1
2.8
0
3.3
1.6 (0) 0.8 (2.4)
1.6 (0.7)
1.8 1.4
2.1 (1)
2.1
2.5 (1.8)
1.3
0 0
3.3 3.3 3.3 3.3
0
1.4 (3)
1.5
(1.8)
2.1
2 (1.7)
2.1 2.1 2.1
1.9 2.1 (1.1) 2 2 0.7 (1.6) 3.3 (1.6) 1.9 1.5 1.3 0 0 2 0.7
2.3
3.2 4.9 3.3 3.3 4.9 3.2
0 3.3
3.3
0
3.3 3.3 3.3 3.3
3.31.3
53.3
(1.6)
(0) (0)
1.7
0 0 0
3.3 1.5 1.8
1.9 (∗)
3.3
(∗) (∗) (∗)
3.3
(∗)
1 (∗)
(∗)
(∗) (∗) (∗) 3.3 3.3
1.1 0.7 1.2 2.2 1.9 1.1 0.5 1.1 1.4
0.9 1.3 1.1 (∗) (∗) (∗) (∗) 2 (∗) 1 (∗) (∗) 3 (∗) (∗) 0 (∗) (∗) (∗) (∗) (∗) (∗) (∗)
(∗) 1.1 0.8 3.3 0.6 0.3 3.3 3.3 3.2 2.9 1.4 1.4 0.6 0.9 1.5 1.9 3.3
47
RB1106
1
C1102
0.1
C1179
54
321
TK11133CSCL-G
IC1105
CONT
GND
NOISE VOUT
VIN
2.7kR2110
10k
R1105
1k
R1193
0.22
C1182 0.1 C1184
47
RB1105
10k
R1106
1k
R1191
0.1
C1191
0.1
C1197
0.1
C1180
JL1107
JL1108
JL1109
JL1110
JL1111
JL1112
0
R2133
D3.3V
5V
0.22
C1186 10k
R1151 FB1108
0.1
C1181
1k
R1135
0.01
C2130
FB1111
C1110
0.1
FB1106
47
RB1107
47
RB1108
D1 G2 S2
D2G1S1
UM6K1N-TN
Q1701
5
43
2
1
TK11150CSCL-G
IC1707
CONT
GND
NOISEVOUT
VIN
54
321
TC7SZ08FU(TE85R)
IC1705
VSS
VDD
0
R1786
0
R1784 0
R1783 0
R1747
0
R1748
0
R1751
1.8kR1750
0
R1752
CL1701
0.01
C1725 0.1
C1727
0
R1753
0.22
C1730
0.22
C1729
10V47
C1728
CL1702
0R2746
220
R9945
0
R9935
RT1N141C-TP-1
Q9729
2SC4154TP-1EF
Q9728
2SC4154TP-1EF
Q9726
27k
R9941 22k
R9928
1k
R9924
10k
R9934 22k
R9929 10k
R9922
R9920
0
1k
R9918
0.1
C9972
48 43
65
46
4321
47 45 44 42 41 37383940
1210 11987
36 3132333435
181716151413
30 29 28 27 26 25
242322212019
MX29LV320CBT70-CHI1-0803UC
(EXCEPT HDX275: E3, AUS)
MX29LV320CBT70-CHI1-0803CE (HDX275: E3,AUS)
IC1102
A15 A14 A13 A12 A11 A10 A9 A8 A19 N.C WE RESET N.C. N.C. RY/BY A18 A17 A7 A6 A5 A4 A3 A2 A1 A0
CE
VSS
OE
DQ0 DQ8 DQ1 DQ9 DQ2
DQ10
DQ3
DQ11
VCC
DQ4
DQ12
DQ5
DQ13
DQ6
DQ14
DQ7
DQ15/A-1
VSS
BYTE
A16
E3.3V
CEC_TX_OUT
XSYSRST
1.8k
R1749
100
R1198
+6V
1
2
3
4
5
6
6P
CN1105
TXD
RXD
GND
+3.3V
V2REFO
RFMON
ISA1602AM1TP-1EF
Q9724
R1754 0
0.01
C2100
47k
R1742
CEC_RX_IN
MA2J1110GLS0
D9712
10V
100
C1190
47 48 49
8
50 51 52 53 54
1234567
41 42 43 44 45 46
14 13 12 11 10 9
34 4035 36 37 38 39
16 151718192021
28
27
29 30 31 32 33
26 25 24 23 22
V54C365164VEI7
IC1104
VDD
DQ0
VDDQ
DQ1 DQ2
VSSQ
DQ3 DQ4
VDDQ
DQ5 DQ6
VSSQ
DQ7
VDD
LDQM
/WE
/CAS
/RAS
/CS
BA0 BA1
A10
A0 A1 A2 A3
VDD
VSS A4 A5 A6 A7 A8 A9 A11 NC CKE CLK UDQM NC VSS DQ8 VDDQ DQ9 DQ10 VSSQ DQ11 DQ12 VDDQ DQ13 DQ14 VSSQ DQ15 VSS
R2203
0
1 23
4
L1701
90uH
1 23
4
L1704
90uH
1 23
4
L1702
90uH
1 23
4
L1703
90uH
8765
4
321
S-24CS64A01-J8T1G
IC1103
A0 A1 A2 GND SDA
SCL
WE
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
CN1701
19P
TMDS DATA2+
TMDS DATA2 SHIELD
TMDS DATA2-
TMDS DATA1+
TMDS DATA1 SHIELD
TMDS DATA1-
TMDS DATA0+
TMDS DATA0 SHIELD
TMDS DATA0-
TMDS CLOCK+
TMDS CLOCK SHIELD
TMDS CLOCK-
CEC
Reserved
SCL
SDA
DOC/CEC GND
+5 POWER
HPD
5
4 3
2
1
TK11133CSCL-G
IC1708
CONT
GND
NOISEVOUT
VIN
C1732 0.01
C1731
0.22
5V
C1733
0.22
C1734
1
R2201
0
0.01
C1726
54
321
TC7SZ08FU(TE85R)
IC1706
VSS
VDD
HDMI_PCONT
0
R1743
A17
A0
A1
A16 A15 A14 A13 A12 A11 A10 A9 A20 A19 A18 A8 A7 A6 A5 A4 A3 A2
HD7
HD6 HD5 HD4 HD3 HD2 HD1 HD0
XRD
XROMCS
XWR
RD8 RD7
RD6 RD5 RD4 RD3 RD2 RD1 RD0
A21
RD12
RD13 RD14 RD15 RD9 RD10 RD11
DQM1
RA3
RA2 RA1 RA0
RA10
BA1
BA0
RCS
DQMO
RWE
CAS
RAS
CLKE RA11 RA9 RA8 RA7 RA6 RA5 RA4
72
71
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
96
97
92
95
98
93
99
94
101
100
102
IC1705
LEVELSHIFT
IC1708
+3.3V REGULATOR
IC1707
+5V REGULATOR
IC1706
LEVELSHIFT
IC1104
SD-RAM
IC1103
EEPROM
IC1102
FLASH ROM
IC1105
+3.3V REGULATOR
(9/12)MAIN BOARD
HDMI OUT
CEC DATA SWITCH
Q9724, 9726, 9728, 9729
(FOR JIG)
Q1701
LEVELSHIFT
189117
J
15
G
210
E
1 83 145
K
6
D
B
C
1613
A
12 174
I
F
H
(Page 43)
(Page 43)
(Page
43)
(Page
43)
(Page 41)
(Page 41)
(Page 41)

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4545
6-17. SCHEMATIC DIAGRAM - MAIN Board (10/12) - • See page 65 for IC Block Diagrams.
10
(5/12)
BOARD
MAIN
BOARD
(12/12)
35
MAIN BOARD
MAIN
14
(6/12)
IC B/D
2.9
2.9
2.9
2.9
2.9
2.9
4.9
5 5 6
3.1
R221
1k
10V
C220
100
R215
22k
R208
22k R203
22k
R214
22k
R220
1k
C222
0.1 R223
10k
C227
1000p
6.3V
C223
100
12345
SI-3010KM-TLS
IC201
EN IN GND OUT FB
C221
0.1
R222
39k
CL201
CL202
CL203
CL206
CL207
CL208
CL209
CL210
CL211
CL212
CL215
CL216
CL217
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN204
D-GND
VBUS(5V)
NC
VIDEO5V
RXD
TXD
DET
DGND
WM DET
WMA/D
(Lch)AGND
(Rch)AGND
Lch
Rch
WM RX
WM TX
VIDEO
VGND
8765
4321
NJM4565M(TE2)
IC202
R227
22k
R228
22k
R229
22k
R230
22k
0.1
C237
R231
3.3k R232
4.7k
C240
0.1
C241
0.1
10uH
L200
C231
1
C232
1C229
1
C230
1
P_CONT2
D-GND
+6V
A5V
DMA-GND
D-GND
DMP_TXD
DMP_RXD
DMP_R
DMP_DET
DMP_L
DMP_V
CL213
CL214
CL218
CL219
CL220
CL221
C239
16V
47
50V
C238
22
IC201
+5V REGULATOR
IC202
LINEAMP
MAIN BOARD (10/12)
DMPORT
V+
V-
7
D
B
6531
C
E
84
A
2
(Page 40)
(Page 47) (Page 41)