Onkyo TX SR875 - AV Receiver User manual

TX-SR875
SERVICE MANUAL
Ref. No. 3996
062007
AV RECEIVER
MODEL TX-SR875
TX-SR875 Black, Golden and Silver models
220-240V AC, 50Hz
220-240V AC, 50/60Hz
B UMP, S UMP, B UMB, S UMB
B MMP, S MMP, B MMB, S MMB
G UMK, G UMT
RC-690M
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LISTARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERSAPPEARAS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
B UDC, S UDC, B MDC, S MDC
G UDT 120V AC, 60Hz
STANDBY/ON
MASTER VOLUME
CDTUNER
TAPECBL/SAT GAME/TV AUX 1 AUX 2VCR/DVR
DVDAUDIO SELPURE AUDIO PHONO DISPLAY
PUSH TO OPEN
STANDBY
READY
ZONE 2
ZONE 3
INPUT SELECTOR
LISTENING MODE
ON STANDBY
GNITUMYALPSID
RC- 690 M
G
U
I
D
E
E
X
I
T
PREV
CH
DIMMER
CDR/MD
SAT TAPE/AMP
SLEEP
MACRO
REMOTE MODE
SUBTITLE
AUDIO
REPEAT
PLAY MODE
--
/
---
10 11 12
VIDEO OFFOPEN/CLOSE
TV
TV CH
TV VOL
PLAYLIST RANDOM
DVD
AUX1AUX 2
GAME/TV
CBL/SATVCR/DVR
D. TUN
CD TUNER TAPE
PHONO
VCRVCR DVDDVD HDDHDD
S. RESTORE
REC
ENTER
TEST TONE
AUDIO SEL
CH SEL
SURR
DIRECT THX PURE A
STEREO
LEVEL
+
LEVEL
-
L NIGHT
ALL ST
T
O
P
M
E
N
U
M
E
N
U
VOL
CH
DISC
ALBUM
TV
VCR
CABLE DOCK
DVD
RECEIVER
CD
+
-
123
ZONE 3
ZONE 2
INPUT
+
-
+10 0
CLEAR
123
456
789
S
E
T
U
P
R
E
T
U
R
N
Re-EQ
TX-SR875

TX-SR875
EXPLODEDVIEWS-1
TX-SR875
A070
x 4 pcs.
P6800
x 18 pcs.
A008
x 3 pcs.
A008
x 3 pcs.
A008
x 3 pcs.
A008
x 2 pcs.
A008
x 15 pcs.
A008
x 2 pcs.
A008
x 2 pcs.
A008
x 2 pcs.
A402
A404
x 6 pcs.
A406
A408
x 3 pcs.
A321
x 2 pcs.
A113
A008
x 5 pcs.
A068
x 4 pcs. A075
x 3 pcs.
A076
x 4 pcs.
A112
x 51 pcs.
A112
x 8 pcs.
A112
x 2 pcs.
A112
x 2 pcs.
A112
x 5 pcs.
A112
x 2 pcs.
A112
x 4 pcs.
A114
x 2 pcs.
A094
x 2 pcs.
A078
x 3 pcs.
A066
A400
A412
A411
A410
A137
A270
A086
A087
A205
A219A239
A223
A112
A112
A221
A209
A211
A213
A215
A259
A311
A313
A315
P9008
DT,MP,MA
MK,MQ,MT
type only
A207
A217
A201
A261
A008
A253
A251
A255
A301
A303
A281
A104
A100
A110
P101
P2801
P7501
U33
U38
U41
U39
U34
U35
U36U40
A119
F2501
F2502
U14 U017
U06
U09
U10
U26
U31
U32
A120
U11
U13
U12
U42
U25
U28
U27
U07
U08
U30
P102
F9100
F9000
F9101
F9102
A116
A118
A067
A106
A096
A092
A090
A098
A008
A105
A139
Refer to <Fig-1> in
EXPLODED VIEWS-2
DC type only

TX-SR875
EXPLODEDVIEWS-2
TX-SR875
A001
U04
U05
T901
A022 A021
A021
A058
A062 A048
A022
Q6093
Q6083
Q6063
Q6053
Q6051
Q6081
Q6061
Q6091
Q6056
Q6066
Q6086
Q6096
Q6084
Q6094
Q6054
Q6064
Q6082
Q6092
Q6052
Q6062
Q6095
Q6085
Q6065
Q6055
Q6090
Q6080
Q6060
Q6050
A015
A001
A022 A022
U37
A040
A049
F9301
P062
P061
A044
A014
A120 F6601
F6603
F6602
F6604
A120
A005
x 4 pcs.
A007
x 4 pcs.
A011
x 2 pcs.
A008
x 8 pcs.
A008
x 4 pcs.
A008
x 3 pcs.
A008
x 2 pcs.
A025
U03
U01
U18
U23
U21
U19
U24
U20
U22
U02
U16
U17
A008
x 7 pcs.
A060
x 2 pcs.
A042
x 4 pcs. A090
x 4 pcs.
A018
A004
A008
A046
x 4 pcs.
A056
x 4 pcs.
A008
x 2 pcs.
A120
A120
A008
x 2 pcs.
A008
x 6 pcs.
A013
x 2 pcs.
Q6080A
x 2 pcs.
Q6050A
x 2 pcs.
A013
x 2 pcs.
A005
x 4 pcs.
A007
x 4 pcs.
A009
x 12 pcs.
A009
x 16 pcs.
<Fig-1>
A064

TX-SR875
BLOCK DIAGRAM-1
AUDIO SECTION
TX-SR875
A
1
2
3
4
5
BCDEFGH
SPDIF
RX0
RX5
MCH SR
RX6
RX7
DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL
V_OUT_L V_OUT_R
DAC_FR
DAC FL
MIX L
MIX R
DAC FR
DAC_CT DAC_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT
CENTER
SURR LEFT
SURR RIGHT
ZONE2 RIGHT
VCR/DVR OUT
TAPE OUT
SUUR BACK
FRONT RIGHT
FRONT LEFT
- FRONT RIGHT(BTL) +
- FRONT LEFT(BTL) +
TAPE
VCR/DVR IN
CBL/SAT
GAME/TV
DVD
OUT
IN 4
IN 1
IN 2
IN 3
ch3
ch4
ch14
SUUR BACK
or Bi-AMP LEFT
or Bi-AMP RIGHT
RS-232
TRANCEIVER
RS-232
Q3031 ICL3221E
RIex
RI
Q7001
MAIN MICROPROCESSOR
INTERFACE
IR OUT
IR IR IN
12V TRIGGER/Z2
12V TRIGGER
CONTROL
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
REMOTE
SENSOR
SPEAKER TERMINALS
7 CH
POWER
AMPLIFIERS
C
SBL
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
FL
FR
SL
SR
+20dB
SW2
I2S
I2S
DSD
PHONO
OPTICAL IN 2
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
ZONE2 LEFT
SBR
LFRONT
SURR
SURR
BACK
R
SUBWOOFER
CENTER
L
R
L
R
PRE OUT
CD
(DC Type Only)
TUNER UNIT
AM ANTENNA
FM
ANTENNA
SW
R
L
R
L
ZONE2 PREOUT/LINEOUT
TONE
Q4204 R2S15211FP
0dB FIX
ZONE3 PREOUT/LINEOUT
ADC
-6dB -6dB
Q3041
CS42516
MAIN B
Z2
Z3
C2
RL
FL
FR
C
SW
SL
SR
SBL
SBR
Q4305
NJU7313A
HEADPHONES
(DVD audio,etc)
Q4306
NJU7311A
0dB
Video REC
0dB -6dB
-6dB
Q4405
CS3318
VIDEO IN
AUX 2
AUX 1
Q4029
TC94A46CFG
ch13
ch12
ch11
ch10
ch9
ch8
ch2
RIAA
XM
Sirrus
MAIN A
DIR
TONE
0dB FIX
NJU7313A
ch7
ch6
ch5
Q4304
NJU7312A
NJU7312A
0dB FIX
0dB FIX
.
.
..
.
.
1
2
3
SETUP MIC
3
2
1
OPTICAL OUT
.
COAX IN 3
MULTI CHANNEL INPUT
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
PCM1796
DAC PCM1796
DAC
Q3701 Q3721 Q3741 Q3761 Q3781
PCM1796
DAC PCM1796
DAC PCM1796
DAC
TC74VHC157FT MULTIPLEXER
. . . .
2nd DSP Q3501 D708E001BRFP
(SD-11)
DSP BLOCK
1st DSP Q3401 D710E001BZDH
(SD-10)
3rd DSP Q3601 D707E001BRFP
(SD-11)
I2S/DSD
MULTIPLEXER
TC74VHC157FT
Q3001
TC74VHC157FT
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -20 (SD-9 and SD-20)
for digital audio signal flow wave forms.

TX-SR875
BLOCK DIAGRAM-1
AUDIO SECTION
A
1
2
3
4
5
BCDEFGH
SPDIF
RX0
RX5
MCH SR
RX6
RX7
DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL
V_OUT_L V_OUT_R
DAC_FR
DAC FL
MIX L
MIX R
DAC FR
DAC_CT DAC_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT
CENTER
SURR LEFT
SURR RIGHT
ZONE2 RIGHT
VCR/DVR OUT
TAPE OUT
SUUR BACK
FRONT RIGHT
FRONT LEFT
- FRONT RIGHT(BTL) +
- FRONT LEFT(BTL) +
TAPE
VCR/DVR IN
CBL/SAT
GAME/TV
DVD
OUT
IN 4
IN 1
IN 2
IN 3
ch3
ch4
ch14
SUUR BACK
or Bi-AMP LEFT
or Bi-AMP RIGHT
RS-232
TRANCEIVER
RS-232
Q3031 ICL3221E
RIex
RI
Q7001
MAIN MICROPROCESSOR
INTERFACE
IR OUT
IR IR IN
12V TRIGGER/Z2
12V TRIGGER
CONTROL
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
REMOTE
SENSOR
SPEAKER TERMINALS
7 CH
POWER
AMPLIFIERS
C
SBL
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
FL
FR
SL
SR
+20dB
SW2
I2S
I2S
DSD
PHONO
OPTICAL IN 2
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
ZONE2 LEFT
SBR
LFRONT
SURR
SURR
BACK
R
SUBWOOFER
CENTER
L
R
L
R
PRE OUT
CD
(DC Type Only)
TUNER UNIT
AM ANTENNA
FM
ANTENNA
SW
R
L
R
L
ZONE2 PREOUT/LINEOUT
TONE
Q4204 R2S15211FP
0dB FIX
ZONE3 PREOUT/LINEOUT
ADC
-6dB -6dB
Q3041
CS42516
MAIN B
Z2
Z3
C2
RL
FL
FR
C
SW
SL
SR
SBL
SBR
Q4305
NJU7313A
HEADPHONES
(DVD audio,etc)
Q4306
NJU7311A
0dB
Video REC
0dB -6dB
-6dB
Q4405
CS3318
VIDEO IN
AUX 2
AUX 1
Q4029
TC94A46CFG
ch13
ch12
ch11
ch10
ch9
ch8
ch2
RIAA
XM
Sirrus
MAIN A
DIR
TONE
0dB FIX
NJU7313A
ch7
ch6
ch5
Q4304
NJU7312A
NJU7312A
0dB FIX
0dB FIX
.
.
..
.
.
1
2
3
SETUP MIC
3
2
1
OPTICAL OUT
.
COAX IN 3
MULTI CHANNEL INPUT
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
PCM1796
DAC PCM1796
DAC
Q3701 Q3721 Q3741 Q3761 Q3781
PCM1796
DAC PCM1796
DAC PCM1796
DAC
TC74VHC157FT MULTIPLEXER
. . . .
2nd DSP Q3501 D708E001BRFP
(SD-11)
DSP BLOCK
1st DSP Q3401 D710E001BZDH
(SD-10)
3rd DSP Q3601 D707E001BRFP
(SD-11)
I2S/DSD
MULTIPLEXER
TC74VHC157FT
Q3001
TC74VHC157FT
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -20 (SD-9 and SD-20)
for digital audio signal flow wave forms.

TX-SR875
BLOCK DIAGRAM-2
VIDEO SECTION
TX-SR875
A
1
2
3
4
5
BCDEFGH
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
MONITOR OUT
VCR/DVR OUT
MONITOR OUT
VCR/DVR OUT
S VIDEO
ZONE2 OUT
AUX 2
(FRONT)
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
AUX 2
(FRONT)
C
YC
YC
Y
C
YC
YC
Y
COMPOSITE VIDEO
COMPOSITE VIDEO
CB1
CR1
Y2
CB2
CR2
CR3
Y3
CB3
Y1
IN 1
IN 2
IN 3
Y
CB
CR
COMPONENT VIDEO
C
CB
CR
Y
Y
CB CR
CVBS
Y
C
HDBSC
Y
CVBS
HDBPY
HDBPB HDBPB
24MHz MAX
S VIDEO INPUT
COMPOSITE VIDEO
COMPONENT VIDEO
HDMI BOARD
(NAHDM-9114, SD-15,16,17,18,19)
VIDEO BOARD (NAVD-9052, SD-6)
CY
CY
HDBCV
12MHz MAX
HDBSY
MONITOR OUT
C-DET
MAIN
MAIN
Z2
Z2
NOTE
MMP is short for MAIN MICROPROCESSOR.
S-DET
Z2 S-DET
VCL VDATA VSTB
CONTROL
NJU7312AM
VCL VDATA VSTB
CONTROL
NJU7313AM
LPF(12MHz)
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
Y
CB
CR
MAIN
Z2
Q2201
NJW1321
74HC4051
VMUT
Q2012,Q2013
NJM2587
Q2012,Q2013
NJM2587
MM1512
BPF(140K-6MHz)
LPF(6MHz)
HDAPY
HDAPB
HDAPR
HDACV
HDASC
HDASY
Q2206
NJM2586A 100MHz -3dB
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
LPF(6MHz)
LPF(12MHz)
BPF(140K-6MHz)
6dB DRV
DRV
MMP
6dB DRV
6dB DRV
6dB DRV
DRV6dB
6dB DRV
.
6dB
.
6dB
.
.
6dB
6dB
6dB
.
.
6dB
6dB
6dB
6dB
6dB DRV
6dB DRV
75 75 75
75 75 75
6dB DRV
6dB DRV
6dB DRV
6dB DRV
6dB
MMP
MMP
MMPV
MMP

TX-SR875
BLOCK DIAGRAM-2
VIDEO SECTION
A
1
2
3
4
5
BCDEFGH
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
MONITOR OUT
VCR/DVR OUT
MONITOR OUT
VCR/DVR OUT
S VIDEO
ZONE2 OUT
AUX 2
(FRONT)
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
AUX 2
(FRONT)
C
YC
YC
Y
C
YC
YC
Y
COMPOSITE VIDEO
COMPOSITE VIDEO
CB1
CR1
Y2
CB2
CR2
CR3
Y3
CB3
Y1
IN 1
IN 2
IN 3
Y
CB
CR
COMPONENT VIDEO
C
CB
CR
Y
Y
CB CR
CVBS
Y
C
HDBSC
Y
CVBS
HDBPY
HDBPB HDBPB
24MHz MAX
S VIDEO INPUT
COMPOSITE VIDEO
COMPONENT VIDEO
HDMI BOARD
(NAHDM-9114, SD-15,16,17,18,19)
VIDEO BOARD (NAVD-9052, SD-6)
CY
CY
HDBCV
12MHz MAX
HDBSY
MONITOR OUT
C-DET
MAIN
MAIN
Z2
Z2
NOTE
MMP is short for MAIN MICROPROCESSOR.
S-DET
Z2 S-DET
VCL VDATA VSTB
CONTROL
NJU7312AM
VCL VDATA VSTB
CONTROL
NJU7313AM
LPF(12MHz)
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
Y
CB
CR
MAIN
Z2
Q2201
NJW1321
74HC4051
VMUT
Q2012,Q2013
NJM2587
Q2012,Q2013
NJM2587
MM1512
BPF(140K-6MHz)
LPF(6MHz)
HDAPY
HDAPB
HDAPR
HDACV
HDASC
HDASY
Q2206
NJM2586A 100MHz -3dB
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
LPF(6MHz)
LPF(12MHz)
BPF(140K-6MHz)
6dB DRV
DRV
MMP
6dB DRV
6dB DRV
6dB DRV
DRV6dB
6dB DRV
.
6dB
.
6dB
.
.
6dB
6dB
6dB
.
.
6dB
6dB
6dB
6dB
6dB DRV
6dB DRV
75 75 75
75 75 75
6dB DRV
6dB DRV
6dB DRV
6dB DRV
6dB
MMP
MMP
MMPV
MMP

TX-SR875
BLOCK DIAGRAM-3
HDMI SECTION
TX-SR875
A
1
2
3
4
5
BCDEFGH
HDASY
HDAPR
HDAPB
HDAPY
HDACV
HDASC
SDA_VDVE
SCL_VDVE
INT_VD
VD_RST
OERX
VDOFF
HDBSY
HDBCV
HDBSC
HDBPR
HDBPB
HDBPY
SCL_VDVE
RST_VE
SDA_VDVE
OEDECTH
VSYNC
HSYNC
FIELD/DE
Y(P10-19)ITU656
CR(P20-29)
CB(P0-09)
LLC
RTC
OEDEC
SCL_RX
SDA_RX
RX_RST
MUTEOUT
INT_RX
SCDT
DDCSDA1
DDCSCL1 VD_SCK
VD_SI
VD_STB
VSYSRST
VD_SO
TXMUTE
RXMUTE
CEC_IO
VSYNC
VOCLK
HSYNC
FIELD/DE
HSYNC
VSYNC
CR(P0,9)
Y(0,9)
CB(0,9)
VICLK
VIFLD1
VIDEN1
27MHz
CR(O26-O35)
Y(O14-O23)
CB(O2-O11)
CR(O24-O35)
CB(O0-O11)
Y(O12-O23)
FIELD/DE
HSYNC
MCLK
Y
VSYNC
ICDK
CR
CB
SD0_3
LRCK_HDMI
BCK_HDMI
SCL_TX SDA_TX
RST_TX INT_TX
ODDC_SDA
ODDC_SCL
HPLGDET
HDMI_POW
OETX
OERXTH
CR
Y
CB
TXDB
RXDB
RESET
VSPREQ/BOOT
+3.3VHD
+3.3VHD
+3.3VHD
OE444
OEEN
PRODDC1
HPR_R1
VIDEO BOARD
NAVD-9052
Q8701
MPD70F3716GC
VIDEO MICROPROCESSOR
TO MAIN
MICROPROCESSOR
TO MAIN
MICROPROCESSOR
Q8405
SN74CB3Q3305
HDMI RECIEVER
Q8501
SiI9135
256 Mbit SDRAM X4
EVNODD
TO DSP BOARD
U8001
VX-50
IP conversion
Scaler & OSD
U8031
128 Mbit
FLASH MEMORY
HDMI INPUT MULTIPLEX
Q8101
AD8196
VIDEO DECODER
R0X2
R0X1
R0X0
R0XC
PRESET
SCDT
INT
CSDA
CSCL MUTEOUT
MCLKOUT
MCLKIN
SCK
WS
SD0-7
SPDIF
Y(O12-O23)
CB(O0-O11)
CR(O24-035)
DE
HSYNC
VSYNC
ODCK
W1 VICLK1
U5 VICNTL0_VS
V3 VICNTL1_HS
/RESET
Y24
TXDB/DATA16
Y23
RXDB
Y21
TXDA
Y22
RXDA
Y26
TWIBDAT
U21
TWIBCLK
Y25
TWIADAT
V21
TWIACLK
U22
VOFIELD
VODAT(20,29)
VODAT(10,19)
VODAT(0,9)
V22
VOACT
W24
VOHS
W23
VOVS
W26
VOCLK
FLASH_CS(0,1) PCI_CBE(1.3) PCI_AD(0-31) GPIO(16,22)
W2 VICNTL3_DEN
V4 VICNTL2_FIELD
VIDAT(0,9)
VIDAT(10,19)
VIDAT(20,29)
AB11 REFCLK
DSCL0
DSDA0
R0PWR5V
R1X2
R1X1
R1X0
R1XC
DSCL1
DSDA1
R0PWR5V
Q8901
ADV7320
VIDEO ENCODER
1RTC
2LLC
3VSYNC
4HSYNC
5FIELD/DE
8Y(P10-19)
21 SDA 22 SCLK
33 RESETB
9
10
11
HDBSC
12
HDBCV
13
HDBSY
14
HDBPR
15
HDBPB
16
HDBPY
Q8800
ADV7401
71 HDASY
75 HDASC
73 HDACV
76_77 HDAPY
74 HDAPB
72 HDAPR
3INTREQ
19_81 SDA1_2 16_82 SCLK1_2
78 RESET
Y(P10-19)
CB(P0-P9)
CR(P20-29)
98
FIELD/DE
4
HC/CS
99
VS
36
LLC
15
SFL/SYNCOUT
11OE
11OE
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
HDMI IN 1 HDMI IN 2 HDMI IN 3 HDMI IN 4
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
1K
47K
Q8175
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8174
47K
11OE
R8514
33
1
1OE
+3_3V
Q8401
Sil9134
IDCK
VSYNC
HSYNC
DE
D16-23
D0-7
D8-15
SD0-3
WS
SCK
MCLK
SPDIF
DSDCLK
DSDDA
INT
RESET#
CSCL CSDA
HPD
DSDA
DSCL
TXC+/-
TX0+/-
TX1+/-
TX2+/-
HDMI TRANSMITTER
4.7K
4.7K
+3_3V
47K
+3_3V
32
1
+13VS
Q8305
S-812C50BUC
1
SW
2
GND
3
NC
4
VO
5
VIN
2K
2K
4.7K
104Z
10K
4.7K
10K
10K
4.7K
104Z
10K
10K
10K
4.7K
AUX_D0
AUX_D1
AUX_D2
AUX_D3
IN/P_D0
IN/P_D1
IN/P_D2
IN/P_D3
AUX_C0
AUX_C1
AUX_C2
AUX_C3
IN/P_C0
IN/P_C1
IN/P_C2
IN/P_C3
AUX_B0
AUX_B1
AUX_B2
AUX_B3
IN/P_B0
IN/P_B1
IN/P_B2
IN/P_B3
AUX_A0
AUX_A1
AUX_A2
AUX_A3
IN/P_A0
IN/P_A1
IN/P_A2
IN/P_A3
I2C_SCL
I2C_SDA
RESET
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
16 bit BUS BUFFER
1
1OE
TC74VCX162244 X2 1
1OE
HDMI OUT
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA2
DDCSCL2
+3.3VHD
PRODDC2
HPR_R2
1K
47K
Q8155
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8154
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA3
DDCSCL3
+3.3VHD
PRODDC3
HPR_R3
1K
47K
Q8125
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8124
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA4
DDCSCL4
+3.3VHD
PRODDC4
HPR_R4
1K
47K
Q8105
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8104
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
Q8151
AD8196
I2C_SCL
I2C_SDA
RESET
16 bit BUS BUFFER
TC74VCX162244
HDMI BOARD
(NAHDM-9114, SD-15,16,17,18,19)
VIDEO BOARD
NAVD-9052

TX-SR875
BLOCK DIAGRAM-3
HDMI SECTION
A
1
2
3
4
5
BCDEFGH
HDASY
HDAPR
HDAPB
HDAPY
HDACV
HDASC
SDA_VDVE
SCL_VDVE
INT_VD
VD_RST
OERX
VDOFF
HDBSY
HDBCV
HDBSC
HDBPR
HDBPB
HDBPY
SCL_VDVE
RST_VE
SDA_VDVE
OEDECTH
VSYNC
HSYNC
FIELD/DE
Y(P10-19)ITU656
CR(P20-29)
CB(P0-09)
LLC
RTC
OEDEC
SCL_RX
SDA_RX
RX_RST
MUTEOUT
INT_RX
SCDT
DDCSDA1
DDCSCL1 VD_SCK
VD_SI
VD_STB
VSYSRST
VD_SO
TXMUTE
RXMUTE
CEC_IO
VSYNC
VOCLK
HSYNC
FIELD/DE
HSYNC
VSYNC
CR(P0,9)
Y(0,9)
CB(0,9)
VICLK
VIFLD1
VIDEN1
27MHz
CR(O26-O35)
Y(O14-O23)
CB(O2-O11)
CR(O24-O35)
CB(O0-O11)
Y(O12-O23)
FIELD/DE
HSYNC
MCLK
Y
VSYNC
ICDK
CR
CB
SD0_3
LRCK_HDMI
BCK_HDMI
SCL_TX SDA_TX
RST_TX INT_TX
ODDC_SDA
ODDC_SCL
HPLGDET
HDMI_POW
OETX
OERXTH
CR
Y
CB
TXDB
RXDB
RESET
VSPREQ/BOOT
+3.3VHD
+3.3VHD
+3.3VHD
OE444
OEEN
PRODDC1
HPR_R1
VIDEO BOARD
NAVD-9052
Q8701
MPD70F3716GC
VIDEO MICROPROCESSOR
TO MAIN
MICROPROCESSOR
TO MAIN
MICROPROCESSOR
Q8405
SN74CB3Q3305
HDMI RECIEVER
Q8501
SiI9135
256 Mbit SDRAM X4
EVNODD
TO DSP BOARD
U8001
VX-50
IP conversion
Scaler & OSD
U8031
128 Mbit
FLASH MEMORY
HDMI INPUT MULTIPLEX
Q8101
AD8196
VIDEO DECODER
R0X2
R0X1
R0X0
R0XC
PRESET
SCDT
INT
CSDA
CSCL MUTEOUT
MCLKOUT
MCLKIN
SCK
WS
SD0-7
SPDIF
Y(O12-O23)
CB(O0-O11)
CR(O24-035)
DE
HSYNC
VSYNC
ODCK
W1 VICLK1
U5 VICNTL0_VS
V3 VICNTL1_HS
/RESET
Y24
TXDB/DATA16
Y23
RXDB
Y21
TXDA
Y22
RXDA
Y26
TWIBDAT
U21
TWIBCLK
Y25
TWIADAT
V21
TWIACLK
U22
VOFIELD
VODAT(20,29)
VODAT(10,19)
VODAT(0,9)
V22
VOACT
W24
VOHS
W23
VOVS
W26
VOCLK
FLASH_CS(0,1) PCI_CBE(1.3) PCI_AD(0-31) GPIO(16,22)
W2 VICNTL3_DEN
V4 VICNTL2_FIELD
VIDAT(0,9)
VIDAT(10,19)
VIDAT(20,29)
AB11 REFCLK
DSCL0
DSDA0
R0PWR5V
R1X2
R1X1
R1X0
R1XC
DSCL1
DSDA1
R0PWR5V
Q8901
ADV7320
VIDEO ENCODER
1RTC
2LLC
3VSYNC
4HSYNC
5FIELD/DE
8Y(P10-19)
21 SDA 22 SCLK
33 RESETB
9
10
11
HDBSC
12
HDBCV
13
HDBSY
14
HDBPR
15
HDBPB
16
HDBPY
Q8800
ADV7401
71 HDASY
75 HDASC
73 HDACV
76_77 HDAPY
74 HDAPB
72 HDAPR
3INTREQ
19_81 SDA1_2 16_82 SCLK1_2
78 RESET
Y(P10-19)
CB(P0-P9)
CR(P20-29)
98
FIELD/DE
4
HC/CS
99
VS
36
LLC
15
SFL/SYNCOUT
11OE
11OE
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
HDMI IN 1 HDMI IN 2 HDMI IN 3 HDMI IN 4
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
1K
47K
Q8175
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8174
47K
11OE
R8514
33
1
1OE
+3_3V
Q8401
Sil9134
IDCK
VSYNC
HSYNC
DE
D16-23
D0-7
D8-15
SD0-3
WS
SCK
MCLK
SPDIF
DSDCLK
DSDDA
INT
RESET#
CSCL CSDA
HPD
DSDA
DSCL
TXC+/-
TX0+/-
TX1+/-
TX2+/-
HDMI TRANSMITTER
4.7K
4.7K
+3_3V
47K
+3_3V
32
1
+13VS
Q8305
S-812C50BUC
1
SW
2
GND
3
NC
4
VO
5
VIN
2K
2K
4.7K
104Z
10K
4.7K
10K
10K
4.7K
104Z
10K
10K
10K
4.7K
AUX_D0
AUX_D1
AUX_D2
AUX_D3
IN/P_D0
IN/P_D1
IN/P_D2
IN/P_D3
AUX_C0
AUX_C1
AUX_C2
AUX_C3
IN/P_C0
IN/P_C1
IN/P_C2
IN/P_C3
AUX_B0
AUX_B1
AUX_B2
AUX_B3
IN/P_B0
IN/P_B1
IN/P_B2
IN/P_B3
AUX_A0
AUX_A1
AUX_A2
AUX_A3
IN/P_A0
IN/P_A1
IN/P_A2
IN/P_A3
I2C_SCL
I2C_SDA
RESET
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
16 bit BUS BUFFER
1
1OE
TC74VCX162244 X2 1
1OE
HDMI OUT
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA2
DDCSCL2
+3.3VHD
PRODDC2
HPR_R2
1K
47K
Q8155
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8154
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA3
DDCSCL3
+3.3VHD
PRODDC3
HPR_R3
1K
47K
Q8125
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8124
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA4
DDCSCL4
+3.3VHD
PRODDC4
HPR_R4
1K
47K
Q8105
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8104
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
Q8151
AD8196
I2C_SCL
I2C_SDA
RESET
16 bit BUS BUFFER
TC74VCX162244
HDMI BOARD
(NAHDM-9114, SD-15,16,17,18,19)
VIDEO BOARD
NAVD-9052

TX-SR875
SCHEMATIC DIAGRAM-1 (SD-1)
AUDIO SECTION
TX-SR875
A
1
2
3
4
5
BCDEFGH
Z3MUTE
Z2MUTE
BTLR
BTLL
MainBR
MainBL
MainAR
SELSTB
SELSDO
SELCLK
TU_R
XM_R
XM_L
TU_L
XM_R XM_L
PZ2R
PZ2L
Z2VOLCLK
Z2VOLSDO
-15V
MainAL
TUMUTE
-15VCD
MCH_SBR
MCH_SBL
MCH_SR
MCH_SL
MCH_SW
MCH_C
MCH_SR
MCH_SBL
MCH_SBR
MCH_SW
MCH_C
VIDEO5R
VIDEO5L
TAPEOUTL
TAPEOUTR
VIDEOOUTL
VIDEOOUTR
GND
SR_R
SR_L
+15V
+15V
GND
Z2R
Z2L
Z3R
Z3L
MCH_SL
SURROUND
SURROUND
BACK
FRONT
MULTI CH
INPUT
PHONO
LZONE 2 PRE OUT/LINE OUT
R
LZONE 3 PRE OUT/LINE OUT
R
TAPE
TAPE OUT
CD
AUX1
GAME/TV
DVD
CBL/SAT
VCR/DVR OUT
VCR/DVR IN
TX-SR805 Only
NAASP-9051
R4606
330
R4616
56K
R4607
330
R4617
56K
C4614
47/50
R4604
330
R4614
56K
R4624
220K
C4615
47/50
R4605
330
R4615
56K
R4625
220K
C4624
47/50
R4634
220K
C4625
47/50
R4635
220K
R4602
330
R4612
56K
R4622
220K
R4603
330
R4613
56K
R4623
220K
R4632
220K
R4633
220K
R4601
330
R4611
56K
R4621
220K
C4043
47/50
R4033
330
R4035
56K
R4073
220K
C4044
47/50
R4034
330
R4036
56K
R4074
220K
C4039
47/50
R4029
330
R4031
56K
R4069
220K
C4040
47/50
R4030
330
R4032
56K
R4070
220K
C4089
102J
C4088
102J
C4015
221J
C4016
221J
C4601
221J
C4602
221J
C4603
221J
C4604
221J
C4605
221J
C4606
221J
C4607
221J
C4019
47/50
R4037
220K
C4020
47/50
R4038
220K
C4023
47/50
R4009
330
R4011
56K
R4047
220K
C4024
47/50
R4010
330
R4012
56K
R4048
220K
C4005
221J
C4006
221J
C4087
102J
R4004
56K
R4006
330
R4041
10 R4045
220
R4042
10
R4046
220
C4003
221J
C4616
47/50
R4626
220K
C4617
47/50
R4627
220K
C4626
47/50
R4636
220K
C4627
47/50
R4637
220K
R4043
100
R4044
100
R4122
0
Q4026
R4161
10K
R4162
10K
R4164
220K
C4112
47/50
R4160
10K
C4111
47/50 R4163
220K
R4159
10K
R4007
220K
R4008
220K
R4126
220K
R4125
220K
R4005
330
R4003
56K
R4121
0
C4623
47/50
C4613
47/50
C4612
47/50
C4611
47/50
Q4025
R4257 220K
R4600
330
C4600
221J
C4610
47/50
R4620
220K
R4610
56K
C4017
221K
C4018
221K C4001
221K
C4002
221K
Q4002B
NE5532
5
67
8
Q4002A
NE5532
2
3
4
1
Q4014B
NE5532
5
67
8
Q4014A
NE5532
2
3
4
1
Q4015B
NE5532
5
67
8
Q4015A
NE5532
2
3
4
1
Q4001B
NE5532
5
67
8
Q4001A
NE5532
2
3
4
1
Q4040B
NE5532
5
67
8
Q4040A
NE5532
2
3
4
1
Q4041B
NE5532
5
67
8
Q4041A
NE5532
2
3
4
1
Q4042B
NE5532
5
67
8
Q4042A
NE5532
2
3
4
1
Q4043B
NE5532
5
67
8
Q4043A
NE5532
2
3
4
1
R4158
220K R4157
220K
C4108
47/50
C4107
47/50
R4156
220K
C4106
47/50
R4155
220K
C4105
47/50
R4154
220K R4153
220K
C4104
47/50
C4103
47/50
C4102
47/50
R4151
220K
R4152
220K
C4101
47/50
Q4030B
NE5532AP
6
5
4
7
R4080
56K R4079
56K
C4622
47/50
R4220
220 Q4206
RN1441
R4218
220K
Q4205
RN1441
R4219
220
Q4210
RN1441
C4219
47/50
C4220
47/50
R4221
100
R4222
100 R4224
10
Q4208
RN1441
R4223
10
Q4207
RN1441
R4236
10
Q4212
RN1441
R4234
100
R4235
10
Q4211
RN1441
R4233
100
R4226
220K
C4217
221J
R4225
220K
C4222
221J
R4238
220K
C4221
221J
R4237
220K
R4239
47
R4240
47
R4227
47
C4243
102J
R4232
220
R4231
220
R4230
220K R4229
220K
R4228
47
R4217
220K
C4216
47/50
C4215
47/50
C4218
221J
Q4209
RN1441
R4258
220K
R4123
2.2K
R4124
2.2K
R4166
100
R4167
100K R4168
100K
R4169
47K
R4171
100K
R4165
100
R4170
100
C4119
47/50
C4120
47/50
Q4031A
NE5532AP
3
21
8
Q4031B
NE5532AP
6
5
4
7
C4055
221K
C4056
221K
RN1441
RN1441
P4030A
9
8
7
C4081
100/50
C4083
100/50
C4085
100/50
C4094
100/50
C4027
47/50
R4019
56K
R4057
220K
C4028
47/50
R4018
330
R4020
56K
R4058
220K
C4009
221J
C4010
221J
Q4011A
NE5532
2
3
4
1
Q4011B
NE5532
5
67
8
R4017
330
C4031
47/50
R4021
330
R4023
56K
R4061
220K
C4032
47/50
R4022
330
R4024
56K
R4062
220K
C4011
221J
C4012
221J
Q4012A
NE5532
2
3
4
1
Q4012B
NE5532
5
67
8
C4035
47/50
R4025
330
R4027
56K
R4065
220K
C4036
47/50
R4026
330
R4028
56K
R4066
220K
C4013
221J
C4014
221J
Q4013B
NE5532
5
67
8
Q4013A
NE5532
2
3
4
1
R4015
220K
R4016
220K
R4051
10 R4053
100
R4052
10 R4054
100
C4007
221J
C4008
221J
R4056
220
R4055
220
R4014
47
R4013
47
C4090
102J
P4007
P4001
P4004
P4005
R4001
330
R4002
330
P4008
P4033A
1
2
3
4
5
6
7
8
9
10
11
12
13
R4129
10K
R4130 10K R4131
10K
R4115
22(1/2W)
R4116
22(1/2W)
R4118
22(1/2W)
R4119
22(1/2W)
R4120
22(1/2W)
R4128
22(1/2W)
R4127
22(1/2W)
P4006 P4003
Q4029
ANALOG SW ARRAY
TC94A46CFG
80
80 S04
79
79 NC
78 S03
77 NC
76 S02
75 NC
74 S01
73 NC
72 NC
71 S01
70 NC
69 S02
68 NC
67 S03
66
66 NC
65
65 S04
64 NC 63 S05 62 NC 61 S06 60 NC 59 S07 58 NC 57 S08 56 NC 55 S09 54 NC 53 S10 52 NC 51 S11 50 NC 49 S12 48 NC 47 S13 46 NC 45 S14 44 NC 43 COM1 42 NC 41 COM2
40
38 NC
39
39 COM3 38
40 NC 37
VDD 36
NC 35
CS2 34
STB 33
DATA 32
CK 31
GND 30
CS1 29
NC 28
VSS 27
27 NC
26
26 COM3
25
25 NC
24
COM2 23
NC 22
COM1 21
NC 20
S14 19
NC 18
S13 17
NC 16
S12 15
NC 14
S11 13
NC 12
S10 11
NC 10
S09 9
NC 8
S08 7
NC 6
S07 5
NC 4
S06 3
NC 2
S05 1
NC
R4117
22(1/2W)
P4032A
1
2
3
4
5
6
7
8
Q4030A
NE5532AP
3
21
8
Q4032A
NE5532AP
2
31
8
Q4032B
NE5532AP
5
6
4
7
P4030A
1
2
3
4
5
6
C4004
221J
R4176
220
C4176
152J
R4175
220
Q4018
2SC2240-BL
Q4017
2SC2240-BL
R4089
3.3K
Q4023B
NE5532
2
31
Q4023A
NE5532
5
6
4
7
8
R4084
22K R4083
22K
R4090
3.3K
R4092
3.3K
C4060
47/50 C4059
47/50
R4087
2.7K
R4095
470K
R4097
820
R4091
3.3K
R4085
220K
R4088
2.7K
Q4022
2SC2712
R4096
470K R4094
39K
R4098
820
R4086
220K
Q4021
2SC2712
D4002
UDZS5.6B
D4001
UDZS5.6B
R4133
220
R4134
220
R4135
220
R4136
220
C4065
182J
C4064
682JC4066
182J
C4061
220/25
C4062
220/25
C4063
682J
R4099
820
C4067
22/50
R4102
220K
C4070
222J
C4080
220/25
R4100
820
C4068
22/50
C4069
222J
Q4019
2SC2240-BL
Q4020
2SC2240-BL
R4114
100(1/2W)
R4081
2.7K(1/2W)
R4082
2.7K(1/2W) P4030B
7
8
9
P4030B
6
5
4
3
2
1
C4079
220/25
R4101
220K
C4057
47/50
C4058
47/50
Q4291
2SC2120
D4292
UDZS7.5B
D4291
UDZS7.5B
C4291
220/25
R4294
1.5K R4293
1.5K
R4291
47(1/2W)
C4292
220/25
C4293 47/50
C4294 47/50
R4292
47(1/2W)
C4295 220/25
C4296 220/25
C4213
47/50
C4240
47/50
C4214
47/50
C4233
47/50
C4236
47/50
C4235
47/50
C4238
47/50
C4237
47/50
C4239
47/50
Q4292
2SA950
P4033B
1
2
3
4
5
-14.4V
6
7
8
9
10
11
12
13
R4256 10K
R4255 10K
Q4204
SELECTOR
VOL, TONE
R2S15211FP
40 MONO
39 SUBL
38 SUBR
37 ADCR
36 ADCL
35 FRIN2
34 FLIN2
33 SRIN2
32 SLIN2
31 SWIN2
30 CIN2
29 SBRIN2
28 SBLIN2
27
27 TRE_R
26 BASS_R2
25
25 BASS_R1
24 AVCC 23 TRE_L 22 BASS_L2 21
20 BASS_L1
FRC
19 FROUT 18 AGND 17 FLOUT 16 FLC 15 6-C
14 6-OUT
13 AGND 12 5-OUT
11 5-C
10 4-C
94-OUT 8AGND 73-OUT 63-C 52-C 42-OUT 3AGND 21-OUT 11-C
80
80 SBRIN1 79
79 SBLIN1 78
SRIN1 77
SLIN1 76
SWIN1 75
CIN1 74
FRIN1 73
FLIN1 72
RECL3 71
RECR3 70
INL11/RECL5 69
69 INR11/RECR5
68
68 INL10/RECL4
67
67 INR10/RECR4
66
66 INLB/RECL2
65
65 INRB/RECR2
64
INL9 63
INR9 62
INLA/RECL1 61
INRA/RECR1 60
INL8 59
INR8 58
INL7 57
INR7 56
INL6 55
INR6 54
INL5 53
INR5 52
INL4 51
INR4 50
INL3 49
INR3 48
INL2 47
INR2 46
INL1 45
INR1 44
AVEE 43
CLOCK 42
42 DATA
41
41 DGND
C4206
47/50
Q4202B
NE5532AP
6
5
4
7
Q4202A
NE5532AP
3
21
8
Q4201B
NE5532AP
6
5
4
7
Q4201A
NE5532AP
3
21
8
C4205
47/50
C4201
47/50
R4201
220K
C4202
47/50
R4202
220K
C4203
47/50
C4204
47/50
R4203
220K
R4204
220K
R4205
220K
R4206
220K
C4207
47/50
C4208
47/50
R4207
220K
R4208
220K
P4032B
8
7
6
5
4
3
2
1
R4078
1K
R4077
1K C4175
152J R4093
39K
R4179
1.2K
R4180
1.2K
C4091
221K
+6.9V
-6.9V
+14.4V
-14.4V
+14.4V
-14.4V
-14.4V
+14.4V
R4113
100(1/2W)
C4232
474J
R4254
1.8K
C4228
223J
C4230 823J
C4227
223J
C4229
823J
C4234
47/50
R4253 1.8KC4231
474J R4177
1K
C4177
221J
R4178
1K
C4178
221J
NAASP-9050(1/2) U06 AMPLIFIER PC BOARD
U32 AMPLIFIER PC BOARD
U07 PHONO PC BOARD
NAASP-9080
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
CENTER
SUB WOOFER
L
R
L
R
L
RL
R
TO NAASP-9050(2/2)
SD-2
TO NAASP-9050(2/2)
SD-2
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
+14.4V
-14.4V
-14.4V
-14.0V
+14.4V
+14.4V
+14.0V