![background image](http://html.mh-extra.com/html/sony/gtk-xb7/gtk-xb7_service-manual_420566031.webp)
GTK-XB7
GTK-XB7
31
31
4-9. SCHEMATIC DIAGRAM - MAIN Board (6/8) -
Audio IN
A
3
8
6
E
2
9
D
5
B
C
7
1
4
(6/8)
MAIN BOARD
F
R193
5.1K
R193
5.1K
R313
15K
R313
15K
R194
10K
R194
10K
ESD5
N
C
/LVSL10180Z020/
18V/
2pF
ESD5
N
C
/LVSL10180Z020/
18V/
2pF
R26
10K
R26
10K
C178
10uF
C178
10uF
100uF/16V/SMD
CE10
100uF/16V/SMD
CE10
C176
10PF/50V/NPO
C176
10PF/50V/NPO
C364
NC/10uF
C364
NC/10uF
C136
1uF
C136
1uF
R350
680K
R350
680K
R347
10K
R347
10K
C135
100pF/50V/NP0
C135
100pF/50V/NP0
C185
1uF
C185
1uF
R180
47K
R180
47K
R17
20K
R17
20K
R87
0
R87
0
Q25
NPN_3DG3904M
Q25
NPN_3DG3904M
U928
NC/PT2257
U928
NC/PT2257
C145
1uF
C145
1uF
R312
22K
R312
22K
R233
1K
R233
1K
C93 10uF/6.3V/X5R
C93 10uF/6.3V/X5R
U927
AS9632
U927
AS9632
R183
470
R183
470
C91 10uF/6.3V/X5R
C91 10uF/6.3V/X5R
R338
68K
R338
68K
Q763
PNP_3CG3906M
Q763
PNP_3CG3906M
ESD6
N
C
/LVSL10180Z020/
18V/
2pF
ESD6
N
C
/LVSL10180Z020/
18V/
2pF
R88
0
R88
0
U25
74HC4052
U25
74HC4052
Q24
NPN_3DG3904M
Q24
NPN_3DG3904M
R92
0
R92
0
R85
0
R85
0
C180
10PF/50V/NPO
C180
10PF/50V/NPO
C86 10uF/6.3V/X5R
C86 10uF/6.3V/X5R
R84
10K
R84
10K
R342
10K
R342
10K
R339
470K
R339
470K
N
C
/100uF/
16V/
S
M
D
CE13
N
C
/100uF/
16V/
S
M
D
CE13
C116
0.
1U
F
C116
0.
1U
F
R332
NC/6.8K
R332
NC/6.8K
R24
10K
R24
10K
R184
10K
R184
10K
Q22
NPN_3DG3904M
Q22
NPN_3DG3904M
R890
0
R890
0
R351
68K
R351
68K
C94 10uF/6.3V/X5R
C94 10uF/6.3V/X5R
C173
10uF/
6.
3V/
X5R
C173
10uF/
6.
3V/
X5R
R343
10K
R343
10K
C321
NC/0.1uF/25V/X5R
C321
NC/0.1uF/25V/X5R
R4
04
1M
R4
04
1M
R190
NC
R190
NC
FB79
500/800mA
FB79
500/800mA
C197
1000pF/
50V/
X
7R
C197
1000pF/
50V/
X
7R
C175
2.2uF
C175
2.2uF
R348
10K
R348
10K
R186
5.1K
R186
5.1K
R86
10K
R86
10K
C117
0.1UF
C117
0.1UF
C51
10uF/6.3V/X5R
C51
10uF/6.3V/X5R
R195
30K
R195
30K
R340
82K
R340
82K
R188
20K
R188
20K
R370
NC/33
R370
NC/33
R4
05
1M
R4
05
1M
R352
470K
R352
470K
R48
1K
R48
1K
R341
68K
R341
68K
R344
10K
R344
10K
C60
10uF/6.3V/X5R
C60
10uF/6.3V/X5R
R360
100K
R360
100K
R189
100K
R189
100K
R314
6.8K
R314
6.8K
R381
1.5K
R381
1.5K
C87 10uF/6.3V/X5R
C87 10uF/6.3V/X5R
C174
10uF/6.3V/X5R
C174
10uF/6.3V/X5R
R4
06
1M
R4
06
1M
R889
0
R889
0
C61
10uF/6.3V/X5R
C61
10uF/6.3V/X5R
C177
2.2uF
C177
2.2uF
R192
100K
R192
100K
R47
0
R47
0
R15
20K
R15
20K
ESD4
N
C
/LVSL10180Z020/
18V/
2pF
ESD4
N
C
/LVSL10180Z020/
18V/
2pF
R364
NC/10K
R364
NC/10K
R361
100K
R361
100K
R345
22K
R345
22K
C191
10uF/6.3V/X5R
C191
10uF/6.3V/X5R
C62
10uF/6.3V/X5R
C62
10uF/6.3V/X5R
R353
82K
R353
82K
R315
56K
R315
56K
C134
470K
C134
470K
R371
NC/33
R371
NC/33
R222
4.7K
R222
4.7K
C171
1000pF/
50V/
X
7R
C171
1000pF/
50V/
X
7R
R4
07
1M
R4
07
1M
R301
10K
R301
10K
R224
100
R224
100
R83
0
R83
0
FB80
500/800mA
FB80
500/800mA
C83
10uF/6.3V/X5R
C83
10uF/6.3V/X5R
R354
68K
R354
68K
C133
100pF/50V/NP0
C133
100pF/50V/NP0
R187
NC
R187
NC
R337
680K
R337
680K
Q762
PNP_3CG3906M
Q762
PNP_3CG3906M
ESD3
N
C
/LVSL10180Z020/
18V/
2pF
ESD3
N
C
/LVSL10180Z020/
18V/
2pF
R346
22K
R346
22K
Q23
NPN_3DG3904M
Q23
NPN_3DG3904M
J1
RCA/4h
J1
RCA/4h
FB78
500/800mA
FB78
500/800mA
FB77
500/800mA
FB77
500/800mA
C89 10uF/6.3V/X5R
C89 10uF/6.3V/X5R
C137
470K
C137
470K
R209
33
R209
33
R303
10K
R303
10K
R197
20K
R197
20K
C184
0.1UF
C184
0.1UF
R349
56K
R349
56K
C85
10uF/6.3V/X5R
C85
10uF/6.3V/X5R
C179
10uF
C179
10uF
R227
1K
R227
1K
C181
2.2uF
C181
2.2uF
LIN
LOUT
VSS
SDA
SCL
VDD
ROUT
RIN
RINP
RINN
OUTR
SGND
MUTE#
PVSS
CN
CP
PVDD
PGND
UVP
OUTL
LINN
LINP
Y0
Y2
Y
Y3
Y1
EN
VEE
GND
B
A
X3
X0
X
X1
X2
VCC
Audio OUT
Party Chain
S0: L-->nY0
S0: H-->nY1
WH RD
WH RD
VOL ADJ
VCC_D
VCC_D
Vref
3.3V_D1
VCC_4052
V_12V
VCC_4052
Vref
VCC_D
STB_3.3V
3.3V_D1
3.3V_D1
21
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
21
21
5
6
4
3
2
1
RTL
RTL
Audio In_R
Audio In_L
A_OUT_R
A_OUT_L
A_OUT_L1
A_OUT_R1
Audio In_R
Audio In_L
Audio Out_R
Audio In_R
Audio In_L
Audio Out_L
Audio Out_R
INR_OUT
INR_OUT
INR-
INL_OUT
INL-
INR+
INL+
INR-
INR+
INR_OUT
INL+
INL-
INL_OUT
INL_OUT
Audio Out_L
Audio Out_R
Party_Chain_Out
Party_Chain_In
A_OUT_R
A_OUT_L
Party_Chain_SW
7
AOUT_R
AOUT_L
I2C_SCL
I2C_SDA
A_OUT_L1
A_OUT_R1
AUDIO_MUTE
7
R124
10K
R124
10K
C120
10uF/6.3V/X5R
C120
10uF/6.3V/X5R
R119
10K
R119
10K
C119
10uF/6.3V/X5R
C119
10uF/6.3V/X5R
R177
20K
R177
20K
C172
10uF/6.3V/X5R
C172
10uF/6.3V/X5R
C198
10uF/6.3V/X5R
C198
10uF/6.3V/X5R
R131
20K
R131
20K
Audio In_L
AUX_IN_L
Audio In_R
AUX_IN_R
AUX_IN_R
AUX_IN_L
++
++
U20
ADC_AK5358A
U20
ADC_AK5358A
R182
5.6
R182
5.6
R178
4.7K
R178
4.7K
C
160
0.
1U
F
C
160
0.
1U
F
R14
0
R14
0
FB22
500/200mA
FB22
500/200mA
R9
0
R9
0
220uF/
16V
CE22
220uF/
16V
CE22
C187
NC/0.1uF/25V/X5R
C187
NC/0.1uF/25V/X5R
R181
4.7K
R181
4.7K
R38
0
R38
0
C149
0.
1U
F
C149
0.
1U
F
R82
0
R82
0
C
186
10uF
C
186
10uF
AINL
CKS1
AGND
VCOM
PDN
DIF
VA
VD
DGND
SDTO
MCLK
SCLK
LRCK
AINR
CKS2
CKS0
3.3V_D1
3.3V_D1
VCC_D
2
3
5
4
13
14
6
7
8
9
11
12
10
1
15
16
AD_DATA
AD_BCLK
AD_MCLK
AD_LRCK
AUX_IN_R
AUX_IN_L
AD_MCLK 5
AD_BCLK 8
AD_LRCK 8
AD_DATA 6
++