Sony TA-VE215 User manual

TA-VE215
AEP Model
UK Model
E Model
Australian Model
Chinese Model
SERVICE MANUAL
HOME THEATER SYSTEM
• This set is the Amplifier section in
HT-K215.
SPECIFICATIONS
This amplifier incorporates Dolby* Digital and Pro Logic
Surround and the DTS** Digital Surround System.
*
Manufactured under license from Dolby Laboratories.
“Dolby”, “AC-3”, “Pro Logic” and the double-D symbol aare
trademarks of Dolby Laboratories.
Amplifier section
POWER OUTPUT
Rated Power Output at Stereo mode
(8 ohms 1 kHz, THD
0.7%)
25W+25W
Reference Power Output
(8 ohms 1 kHz, THD
0.7%)
Front: 25W+25W
Center: 25 W
Rear: 25W+25W
Frequency response
DVD, TV, VIDEO, AUX:
20 Hz - 20 kHz + 0.5/
–2 dB
Inputs (Analog)
5.1CH/SAT, TV, VIDEO:
Sensitivity: 250 mV
Impedance: 50
kilohms
S/N
a)
: 96 dB (A, 250
mV
b)
)
Inputs (Digital)
DVD, AUX (optical):
Sensitivity: –
Impedance: –
S/N: 100 dB (A, 20
kHz LPF)
Outputs SUB WOOFER:
Voltage: 2 V
Impedance: 1
kilohms
General
Power requirements
220-230 V AC, 50/60 Hz
Power consumption
120 W
Dimensions 296.5 215 60 mm
including projecting
parts and controls
Mass (Approx.)
4.2 kg
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2
TABLE OF CONTENTS
1. GENERAL ········································································· 3
2. TEST MODE····································································· 4
3. DIAGRAMS········································································ 5
3-1. Circuit Boards Location ·············································· 5
3-2. Block Diagram
– MAIN Section – ······················································· 6
– POWER Section – ···················································· 7
3-3. Printed Wiring Boards – DIGITAL Section – ··········· 8
3-4. Schematic Diagram – DIGITAL Section (1/2) – ········ 9
3-5. Schematic Diagram – DIGITAL Section (2/2) – ······ 10
3-6. Printed Wiring Boards
– OPTICAL / SIGNAL BRIDGE Section –············· 11
3-7. Schematic Diagram
– SIGNAL BRIDGE Section –·································· 11
3-8. Schematic Diagram – DISPLAY Section – ·············· 12
3-9. Printed Wiring Boards – DISPLAY Section –·········· 13
3-10. Printed Wiring Boards – MAIN Section – ··············· 14
3-11. Schematic Diagram – MAIN Section (1/2) – ··········· 15
3-12. Schematic Diagram – MAIN Section (2/2) – ··········· 16
3-13. Printed Wiring Boards – POWER Section – ············ 17
3-14. IC Pin Function Description ······································ 18
3-15. IC Block Diagrams ···················································· 19
4. EXPLODED VIEWS····················································· 20
5. ELECTRICAL PARTS LIST····································· 22
•Grounding connectionat thetwo pointsbetweenthe MAIN
board and the chassis is necessary while the main power
to the MAIN board is turned on.
• Jig is used to inspect the DIGITAL board.
1. Between the DIGITAL board CNS807 and OPTICAL board CNP807
8 P/L=300 (A-2501-2060A)
2. Between the DIGITAL board CNS808 and SIGNAL BRIDGE
board CNS808
18 P/L=300 (A-2501-207-A)
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINEWITH
MARK 0ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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3
SECTION 1
GENERAL
R
23
8
1
45 67
?/1
VIDEO TV DVD AUX 5.1CH/SAT
SURR LEVEL SET UP
+–
SOUND FIELD MODE
MASTER VOLUME
+
3MASTER VOLUME control
After turning on the component you selected, rotate to
adjust the volume.
4SURR button
Press repeatedly to activate the surround parameters
(page 29) and to adjust the various surround
parameters (effect level, wall type, etc.). You can then
make various settings using the +/– buttons (7).
5LEVEL button
Press repeatedly to activate the speaker level
parameters (page 30) and to adjust the various speaker
level parameters (front balance, rear balance, etc.). You
can then make various settings using the +/– buttons
(7).
6SET UP button
Press repeatedly to activate the setup mode and to
select any of the following indications. You can then
make various settings using the +/– buttons (7).
When you select You can
Speaker type Specify the type of speakers.
(page 15)
Speaker setup Specify the front, center, rear
speaker sizes, the rear speaker
position, and whether or not you
are using a sub woofer. (page 15)
Speaker Distance Specify the front, center, and rear
speaker distances. (page 17)
7+/– buttons
Press to adjust the selected speaker level and surround
parameters (etc.).
8SOUND FIELD MODE
Press repeatedly to activate the sound field selection
mode and to select the sound field you want (page 24).
1?/1switch
Press to turn the amplifier on and off.
2Function buttons
Press one of the buttons to select the component you
want to use.
To select Press
VCR VIDEO
TV TV
DVD player DVD
An audio component AUX
DVD through AC-3 5.1 CH/SAT
decoder
After selecting the component, turn on the component
you selected and play the program source.
• After selecting VCR or DVD player, turn on the TV and set
the TV’s video input to match the component you selected.
This section is extracted
from instruction manual.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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4
SECTION 2
TEST MODE
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the 5.1CH/SAT and the VIDEO buttons
simultaneously, press the power 1/ubutton to turn on the main
power. The destination and the software version are displayed.
FLUORESCENT INDICATORTUBETEST MODE
* All fluorescent segments are tested. When this test is activated,
all segments turn on at the same time, then each segment turns on
one after another.
* Procedure:
While depressing the 5.1CH/SAT and the + buttons
simultaneously, press the power 1/ubutton to turn on the main
power.
1. All segments turn on.
TV and AUX LED turn on.
2. Press the VIDEO button, confirm display
VIDEO and DVD LED turn on.
3. Press the VIDEO button, confirm display
5.1CH/SAT LED turn on.
4. Press the VIDEO button, All segments turn off.
5. Every pressing of the VIDEO button turns on each segment
one after another in the same order.
(Not only the VIDEO button, but also the other buttons sach as
TV , DVD , AUX and 5.1CH/SAT can be used.)
ALL CLEAR MODE
* All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
* Procedure:
While depressing the SET UP button simultaneously, press the
power 1/ubutton to turn on the main power.Alternatively, press
1/umore than 4S. The message “ALL CLEAR” appears and
initialization is performed.
SURROUND CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
* Procedure:
While depressing the SOUND FIELD MODE button, press the
power 1/ubutton to turn on the main power. The message
“SUR CLR” appears and initialization is performed.
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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55
SECTION 3
DIAGRAMS
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•X: parts extracted from the component side.
•f: internal component.
•b: Pattern from the side which enables seeing.
Caution:
Pattern face side: Partsonthepattern facesideseenfrom
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
•f: internal component.
•2: nonflammable resistor.
•5: fusible resistor.
•C: panel designation.
•U: B+ Line.
•V: B– Line.
•H: adjustment for repair.
• Voltages are takenwith aVOM (Inputimpedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F: ANALOG
c: DIGITAL
•Indication of transisitor.
C
BThese are omitted. E
Q
B
These are omitted.
CE
Q
B
These are omitted.
CE
Q
The components identified by
mark 0or dotted line with mark
0are critical for safety.
Replace only with part number
specified.
MAIN board
STAND BY board
DISPLAY board
DIGITAL board
OPTICAL board
SIGNAL BRIDGE board
3-1. CIRCUIT BOARDS LOCATION
1
IC1502 is XO
5.6 Vp-p
16 MHz
• Waveform
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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TA-VE215
66
3-2. BLOCK DIAGRAM
— MAIN SECTION —
68 60
LTV_L
L
01-6dB
L_IN
R_IN
IC301
SOUND CONTROL
ATT
77
TV_R
66
VIDEO_L
79
VIDEO_R
69
FL
76
FR
54
11
50
L
51
L_OUT
15
R
14
R_OUT
27
SL
26
SL_OUT
21
SR
20
SR_OUT
38
C
39
C_OUT
44
W
45
W_OUT
LATCH
CLOCK
DATA
DIN1
33
31
32
J401
R
TV
VIDEO L
R
L
R
FRONT
SPEAKERS
IMPEDANCE USE8-16
REAR
CENTER
WOOFER OUT
WOOFER OUT
L
R
L
J501
R
FRONT
REAR
5.1CH/SAT
CENTER
WOOFER
DVD
AUX
16
L
R
R5
49
01-6dB
0/6/10dB
MUTE
Q361 IC701 POWER AMP.
14
VOL
ATT
0/6/10dBVOL
0/6/10dBVOL
0/6/10dBVOL
0/6/10dBVOL
0/6/10dBVOL
16
28
22
37
43
34
DC DET.RY MUTE
Q722,Q723,Q725
RY DRIVE
Q730
FRONT_RY
AMP.
Q870
MUTE
Q365 IC751 POWER AMP.
14
MUTE
Q362 IC601 POWER AMP.
14
MUTE
Q364 IC651 POWER AMP.
14
MUTE
Q363 IC501 POWER AMP.
14
MUTE
Q366
Q379
IC401 (2/2)
57
+6dB
5
IC1005
IC1005
X1101
12.288MHz
3
CE
CLK
DATA
DVD
IC1001 SPDIF
IC401 (1/2)
31
+6dB
1
IC1002 SPDIF
D_ERR
1
4
XI
8
DIN0
ERROR
35 DO
36 DI
37 CE
16
DATA0 15
LRCK 14
BCK
a
b
c
13
CKOUT 85
SDIA1
30
LIN+ 29
LIN-
32
RIN+ 31
RIN-
27
LOUT1
28
ROUT1
25
LOUT2
26
ROUT2
23
LOUT3
24
ROUT3
88
RAM WEN 89
RAM OEN 2
27
22
20
RAM CEN
A0
A14
22
12.288M
XIN
38 CLK
48 XMODE
80 CE
17 XSTATE
3
79 CLK 78 DATA
M_CE
M_CLK
M_DATA
95 I1 89 I2 90 I3
D_ERR
D_DO
D_DI 91 I4
92 I5 93 I6
D_CE
D_CLK
D_XMODE 94 I7
96 I8
D_DATA0
D_XSTATE
100
Y_IC 21
22 24
Y_CLK
Y_SI
Y_SO 25
99
Y_CS
Y_CSB
82 83
XO XI
69
C_CDTI
70
C_DFS
71
C_PDN
72
C_MUTE
73
C_CS
68
C_CLK
D_ERR
AUX
D1101
IC1004
DIR IC1006 DSP
IC1007
SRAM
IC1008
CODEC
I1
I2
84 SDIA0
82 SDWCK0
83 SDBCK0
SDOB0
SDOB2
62
Y1
Y2 69 SCK
IC
68 SI
67 SO
66 CS
65 CSB
I3
I4
I5
I6
I7
I8
Y3
Y4
Y5
Y6
Y1 Y2 Y3 Y4 Y5 Y6
88
SYSTEM
MUTE
C1 C2 C3 C4 C5 C6
12
CENTER_RY CENTER_RY
14
REAR_RY REAR_RY
13
WOOFER_RY WOOFER_RY
58
PROTECTOR PROTECTOR
15
FRONT_RY FRONT_RY
77
RESET
5
AUX_LED
6
DVD_LED
7
TV_LED
4
5.1CH LED
8
V_LED
17
FL_LAT
19
FL_DATA
18
FL_CLK
10
FL_RESET
16
PW_RY
3
FAN_CNTL FAN_CNTL
1
FAN_ON
2
FAN_CLK FAN_CLK
45
VOL_A
46
VOL_B
57
SIRCS
56
PW_KEY_IN
38
AD_KEY_IN1
39
AD_KEY_IN2
40
AD_KEY_IN3
47
1 3
STOP
Q100
Q101
D1524-D1527
71 26
X101
16MHz
IC1502
SYSTEM CONTROL
47
45
D0
D7
72
79
6
8
87
86
70
64
61
59
58
44
42
29
25
10
3
25
24
21
23
26
1
A0
SDTI1
SDTI3
SDTO
A14
11
13
15
19
D0
D7
9
MCLKI
c
b
39
CCLK
C1 42
CDTI
C2 43
DFS
C3 11
PDN
C4 17
SMUTE
C5 3
CSN
C6 41
BCLK
4
LRCLK
5
a
IC1201 DIFF.
7
1
6
-12dB
IC1251 DIFF.
1
7
6
-12dB
IC1204
31
+6dB
IC1204
57
+6dB
IC1203
31
+6dB
IC1203
57
+6dB
IC1202
Q103,Q104
31
+6dB
IC1202
57
+6dB
AC/DC
Q871
+5.6V
R4 COIL
D1501
F2
-26V
-26V
F1
D+5V
IC1010
+3.3V
REG
1 3
IC1009
+5V
REG
+3.3V
1 3
IC1011
+5V
REG A+5V
+7V
R4 COIL R4
R4
F2
F1
N
FL3 FL4 FL2 FL1
KEY_3 KEY_2 KEY_1
PW
SIRCS
VOL_B VOL_A
L1 L2 L3 L4 L5
RY DRIVE
Q610
REAR_RY
RY730
L_CH
TM603
RY DRIVE
Q550
CENTER_RY
PROTECTOR
RY DRIVE
Q560
WOOFER_RY
R_CH
RY601
SL_CH
SR_CH
RY550
RY560
C_CH
Q852
FAN1
FAN CONT.
Q850,Q851
A
B
PW_RY
STOP
+5.6V
C
F_MUTE
L_IN
R_IN
L_OUT
R_OUT
SL_OUT
SR_OUT
C_OUT
W_OUT
F_MUTE
FAN_CLK
FAN_CNTL
Signal path
: ANALOG
: DIGITAL
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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TA-VE215
77
— POWER SECTION —
FL3
FL4
FL2
FL1
-26V
KEY_3
KEY_2
KEY_1
PW
PW
KEY_3 KEY_2 KEY_1
SIRCS
VOL_B
VOL_A
L1
L2
L3
L4
L5
R4
R4
F2
F1
N
D100 IC100
IC101
FLD CONTROL FL201
FLD
5.1CH/SAT
L1 L2 L3 L4 L5
A
B
PW_RY
STOP
+5.6V
C
AC
IN
16
F901
RY901
MASTER
VOLUME
D101D102
DVD AUX
D103
TV
D105
VIDEO
I /
S111
SURR
-7V REG
VOLTAG DOUBLER/
-26V REG
D801,D810,D811,Q801
3 2 1 1
XOUT
CS
2
XIN
P1
F1
F2
F1
F2
P15
4
RESET
5
12
SIN
13
SCLK
15
VEE
16,17
1 , 2
34,35
43
29
G1
G10
19
28
4
18
23
32
S110 S106
LEVEL
S109 S108
DVD
S105
TV
S104
VIDEO SET UP
S103 S102
AUX
S101
5.1CH/
SAT
S100
SOUND
FIELD
MODE
S107
T901
D802
D820-D823
IC802
-7V
D910-D913 T902
D914,D915
+7V REG
IC801
+7V
SYS. RESET/
+5.6V CNTL
IC950
+5.6V REG
Q951
RY DRIVE
Q901
+5V REG
+B-B
IC807
+5V
-26V
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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TA-VE215
88
3-3. PRINTEDWIRING BOARD — DIGITAL SECTION — • See page 5 for Circuit Board Location.
(Page 13)
(Page 17)
(Page 14)
(Page 14)
F
TO STAND BY BOARD
(Page 17)
(Page 11)(Page 11)
Ref. No. Location
D100 E-4
D101 F-8
D102 F-8
D103 E-4
D109 E-5
D110 E-5
D870 D-4
D1101 D-9
D1201 B-2
D1202 B-2
• Semiconductor
Location Ref. No. Location
D1501 D-7
D1524 D-8
D1525 D-8
D1526 D-8
D1527 D-8
IC1004 C-11
IC1005 D-10
IC1006 D-10
IC1007 F-10
Ref. No. Location
IC1008 B-10
IC1009 D-3
IC1010 D-3
IC1011 B-4
IC1201 B-9
IC1202 C-8
IC1203 C-8
IC1204 C-8
IC1251 B-9
IC1502 E-8
Ref. No. Location
Q100 F-8
Q101 F-8
Q103 F-4
Q104 E-4
Q870 D-4
Q871 D-3
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4 2
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
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TA-VE215
99
3-4. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/2) — • See page 5 for Waveform. • See page 18 for IC Pin Function.
The components identified by
mark 0or dotted line with mark
0are critical for safety.
Replace only with part number
specified.
PIN FUNCTION
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4 2
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
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TA-VE215
1010
3-5. SCHEMATIC DIAGRAM — DIGITAL SECTION (2/2) — • See page 19 for IC Block Diagram.
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7
6 3
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2
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4 2
9 8
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-VE215
1111
3-6. PRINTEDWIRING BOARD — OPTICAL/SIGNAL BRIDGE SECTION —
• See page 5 for Circuit Board Location. 3-7. SCHEMATIC DIAGRAM — SIGNAL BRIDGE SECTION —
(Page 8) (Page 14)
(Page 14)
(Page 14)
(Page 8)
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Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-VE215
1212
3-8. SCHEMATIC DIAGRAM — DISPLAY SECTION —
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6 3
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2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-VE215
1313
3-9. PRINTEDWIRING BOARD — DISPLAY SECTION — • See page 5 for Circuit Board Location.
(Page 8)
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7
6 3
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2
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4 2
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-VE215
1414
3-10. PRINTEDWIRING BOARD — MAIN SECTION — • See page 5 for Circuit Board Location.
Ref. No. Location
D510 C-4
D560 C-3
D610 C-5
D710 C-5
D731 D-4
D732 D-3
D734 C-4
D735 C-4
D801 F-4
D802 F-3
D810 E-4
D811 E-4
D820 G-2
D821 G-2
D822 G-2
D823 G-2
D833 E-2
D896 E-2
IC301 C-2
IC401 D-3
IC501 C-8
IC601 D-8
IC651 F-8
IC701 E-6
IC751 D-6
IC801 D-4
IC802 F-2
IC807 E-3
Q361 G-1
Q362 F-1
Q363 F-1
Q364 F-1
Q365 G-1
Q366 G-1
• Semiconductor
Location
(Page 17)
(Page 8) (Page 8)
(Page 11)
(Page 11)
(Page 11)
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7
6 3
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2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-VE215
1515
3-11. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
10
The components identified by
mark 0or dotted line with mark
0are critical for safety.
Replace only with part number
specified.
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2
8 9
4 2
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T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-VE215
1616
3-12. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —
The components identified by
mark 0or dotted line with mark
0are critical for safety.
Replace only with part number
specified.
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

TA-VE215
1717
3-13. PRINTEDWIRING BOARD — POWER SECTION — • See page 5 for Circuit Board Location.
(Page 8)
(Page 14)
(Page 8)
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2
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4 2
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Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

1818
Pin No.
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 to 33
34
35
36
37
38 to 40
41
42
43,44
45
46
47
48
49 to 51
52
53 to 55
56
57
58
59 to 67
68
69
70
71
72
Description
Detect input signal. Low :Source in, High: No source
Checking returning clock pulse from fan.
Turn on(Low) or Turn off(High) fan
5.1CH LED ON (Low) or OFF (High)
AUX LED ON (Low) or OFF(High)
DVD LED ON (Low) or OFF(High)
TV LED ON (Low) or OFF (High)
VIDEO LED ON (Low) or OFF(High)
Not Used
FL IC reset control
Ground
Center relay ON(High), OFF(Low)
Woofer relay ON(High), OFF(Low)
Rear Relay ON (High), OFF(Low)
Front Relay ON(High), OFF(Low)
Power Relay ON(High), OFF(Low)
FL IC Latch output
FL IC clock output
FL data output or flash programming port
Flash programming port.
Serial clock for IC CXD9511Q
Data Input to IC CXD9511Q
Vcc
Data Input from IC CXD9511Q
Chip select for IC CXD9511Q
Not Used
Not Used
Not Used
Avcc
Reference High voltage forA/D port
Reference Low voltage for A/D port
Avss
A/D key I to III
Model version information
Vss
Not Used
Volume encoder input A
Volume encoder input B
Stop signal input port
Not Used
MCU mode setting
Hardware standby
Not Used
Power key input port
SIRCS code input port
PROTECTOR input port
Not Used
Serial clock for IC AK4527
Serial data for IC AK4527
Port control for pin DFS
Port control for POWER DOWN
Port control for IC AK4527 muting
I/O
I
I
O
O
O
O
O
O
—
O
—
O
O
O
O
O
O
O
O
I
O
O
—
I
O
I
—
I
—
—
—
—
I
I
—
I
I
I
I
I
I/O
I/O
—
I
I
I
—
O
O
O
O
O
Terminal
Fan signal on
Fan clock
Fan control
5.1ch LED
AUX LED
DVD LED
TV LED
VIDEO LED
GND
FL Reset
VSS
Center Relay
Woofer Relay
Rear Relay
Front Relay
Power Relay
FL Lat
FL CLK
FL data/FLASH1
FLASH2
YSS912 CLK
YSS912 SI
VCC
YSS912SO
YSS912CS
BCTRL
C
GND
AVCC
AVRH
AVRL
AVSS
A/D key I to III
Version
VSS
GND
Vol-A(up)
Vol-B(down)
Stop
GND
MD0 to 2
HSTX
GND
PW KEY IN
SIRCS
PROTECTOR
GND
CODEC CLK
CODEC CDT1
CODEC DFS
CODEC PD
CODEC MUTE
Pin No.
73
74 to 76
77
78
79
80
81
82
83
84
85 to 87
88
89
90
91
92
93
94
95
96
97
98
99
100
Description
Chip select for IC AK4527
Not Used
Micom reset port
Serial Data for IC M61501
Serial Clock for IC M61501
Chip enable for IC M61501
Vss
Oscillation out
Oscillation in
Vcc
Not Used
Transistor muting control
Data in from IC LC89055W
Data out to IC LC89055W
Chip Enable for IC LC89055W
Serial Clock for LC89055W
Port control for XMODE
LC89055W data check
Error port from LC89055W
XSTATE condition check
Not Used
Analog digital switch
IC CXD9511Q sub dsp chip select
IC CXD9511Q IC port control
I/O
O
—
I/O
O
O
O
—
O
I
—
—
O
I
O
O
O
O
I
I
I
—
O
O
O
Terminal
CODEC CS
GND
RESET
M61501 DATA
M61501 CLK
M61501 CE
VSS
XO
XI
VCC
GND
System mute
DIR DO
DIR DI
DIR CE
DIR CLK
DIR XMODE
DIR DATA0
DIR ERROR
DIR XSTATE
GND
ANG/DIG
YSS_CSB
YSS_IC
3-14. IC PIN FUNCTION DESCRIPTION
DIGITAL BOARD IC1502 MB90553ABPF-G-172-BND (SYSTEM CONTROL)
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6 3
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2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

19
3-15. IC BLOCK DIAGRAMS
IC950 NJM2103M-TE2
1
2
3
45
6
7
8
V+
VSB/SESIN
VSA
RESET
GND
OUTC
VSC
CR
VREF
+–
–+
–
+
–
+
Q
R S
— STAND BY BOARD —
IC1004 LC89055W-RA8
— DIGITAL BOARD —
46
43
40
37
34
31
47
44
41
38
35
32
48
45
42
39
36
33
25
26
27
28
29
30
3
6
9
12
15
18
2
5
8
11
14
17
1
4
7
10
13
16
24
23
22
21
20
19
X'TALL
DATA
RECOVER
TIMING
PLL
INPUT
MICRO COMPUTER
INTERFACE
FS
CALCULATION
LOCK
DETECTION
Pa, Pb
DETECTION
Cbit
DETECTION
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
VF/P3/C3
DVDD
DGND
AUTO
BPSYNC
ERROR
DO
DI
CE
CL
XSEL
MODE0
MODE1
DGND
DVDD
DOSEL0
DOSEL1
CKSEL0
CKSEL1
XMODE
AUDIO
ENPHA
XIN
XOUT
XMCK
DVDD
DGND
XSTATE
DATAO
DGND
BCK
CKOUT
AGND
AVDD
LPF
VIN
R
DVDD
DGND
DIN2
DIN1
DIN0
DOUT
DISEL
IC1008 AK4527
— DIGITAL BOARD —
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
FORMAT
CONVERTER
AUDIO
INTERFACE
INPUT
CIRCUIT
OUTPUT
CIRCUIT
LOOP1 LOOP0/SDA/CDTI DIF1/SCL/CCLK DIF0/CSN P/SN MCLK DZF1 AVSS AVDD VREFH VCOM
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DEM1 DEM0
TVDD
DVDD
DVSS
PDN
ICKS2 ICKS1 ICKS0
CAD1 CAD0
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
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4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

SECTION 4
EXPLODEDVIEWS
NOTE:
• -XX, -X mean standardized parts, so they may
have some differences from the original one.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delayshouldbeanticipatedwhenorderingthese
items.
• Themechanical parts with no reference number
in the exploded views are not supplied.
• Accessories and packing materials are given in
the last of this parts list.
The components identified by mark 0or
dotted line with mark 0are critical for safety.
Replace only with part number specified.
20
4-1. PANEL SECTION
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
1 4-230-086-01 KNOB (VOL)
2 X-4953-151-1 FRONT PANEL ASSY
3 A-4475-053-A DISPLAY BOARD, COMPLETE
4 1-773-185-11 WIRE (FLAT TYPE) (23 CORE)
5 4-230-082-01 TOP CASE
6 4-951-620-01 SCREW(2.6X8), +BVTP
#1 7-685-645-79 SCREW +BVTP 3X6 TYPE2 N-S
#2 7-685-646-79 SCREW +BVTP 3X8 TYPE2 TT(B)
#3 7-685-872-09 SCREW +BVTT 3X8 (S)
a
a
1
2
3
4
6
6
5
not supplied MAIN SECTIO
N
not supplied
#1
#3
#3 #3 #3
#3
#2
#2
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4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com