Schematic Diagram - Main Board (7/7) - Sony GTK-XB5 Service Manual

4-9.

SCHEMATIC DIAGRAM - MAIN Board (7/7) -

1
MAIN BOARD
A
V_12V
B
10,9
9
R356 R356 0 0
9
10,5,9 VALID
C
9
R357 R357 0 0
9
V_12V
FB26 FB26
300/200mA 300/200mA
V_12V
D
32V_MAIN
E
R321 R321
D8 D8
R323 R323
F
GTK-XB5
2 3
(7/7)
R318 R318 2.2 2.2
C290 C290
R319 R319 2.2 2.2
0.1uF/50V 0.1uF/50V
C289 C289
0.1uF/50V 0.1uF/50V
U21 U21
AMP_44P_TAS5342 AMP_44P_TAS5342
1 44
GVDD_B GVDD_A
2 43
OTW BST_A
3 42
NC NC
4 41
NC PVDD_A
5 40
/SD
SD PVDD_A
6 39
OUT2A PWM_A OUT_A
7 38
RESET_AB GND_A
8 37
OUT2B
PWM_B GND_B
R334 R334 27K 27K 9 36
OC_ADJ OUT_B
10 35
GND PVDD_B
11 34
AGND BST_B
12 33
VREG BST_C
C288 C288 R367 R367 0 0 13 32
M3 PVDD_C
0.1uF/50V 0.1uF/50V
R368 R368 0 0 14 31
M2 OUT_C
R372 R372 0 0 15 30
M1 GND_C
16 29
OUT1A
PWM_C GND_D
17 28
RESET_CD OUT_D
18 27
OUT1B PWM_D PVDD_D
19 26
NC PVDD_D
20 25
NC NC
21 24
VDD BST_D
22 23
C287 C287 R333 R333 2.2 2.2
GVDD_C GVDD_D
0.1uF/50V 0.1uF/50V C286 C286 C285 C285
0.1uF/50V 0.1uF/50V 0.1uF/50V 0.1uF/50V
R331 R331 2.2 2.2
NC/100K NC/100K
Q19 Q19
NC/LL4148 NC/LL4148 NC/PNP_3CG9012M NC/PNP_3CG9012M
NC/10K NC/10K VALID 10,5,9
CE6 CE6
+ +
R322 R322 NC/10K NC/10K
Q20 Q20
NC/100uF/50V NC/100uF/50V
NC/NPN_3DG3904M NC/NPN_3DG3904M
C282 C282 R324 R324
NC/10K NC/10K
NC/0.1UF NC/0.1UF
Power OFF Mute Circuit
4 5
CE30 CE30
+ +
C291 C291
470uF/50V 470uF/50V
0.1uF/50V 0.1uF/50V
L12 L12 10uH/5A 10uH/5A
C268 C268 0.033uF/50V/X7R 0.033uF/50V/X7R
C771 C771
0.47uF/63V 0.47uF/63V
C284 C284
0.1uF/50V 0.1uF/50V
L13 L13 10uH/5A 10uH/5A
C271 C271
C265 C265 0.033uF/50V/X7R 0.033uF/50V/X7R
0.1uF/50V 0.1uF/50V
C267 C267 0.033uF/50V/X7R 0.033uF/50V/X7R L14 L14 10uH/5A 10uH/5A
C272 C272
0.1uF/50V 0.1uF/50V
C770 C770
0.47uF/63V 0.47uF/63V
C273 C273
0.1uF/50V 0.1uF/50V
C266 C266 0.033uF/50V/X7R 0.033uF/50V/X7R
L15 L15 10uH/5A 10uH/5A
CE29 CE29
+ +
C292 C292
470uF/50V 470uF/50V
0.1uF/50V 0.1uF/50V
WL+ R773 R773 220K 220K
R775 R775
C530 C530
220K 220K 10uF 10uF
WL- R774 R774 220K 220K
Q756 Q756
PNP_3CG3906M PNP_3CG3906M
WR+ R776 R776 220K 220K
R778 R778
C531
C531
220K 220K
10uF 10uF
WR- R777 R777 220K 220K
Q758 Q758
PNP_3CG3906M PNP_3CG3906M
R782 R782
100 100
R783 R783 C769 C769
100K 100K 0.22uF 0.22uF
Q21 Q21
NPN_3DG3904M NPN_3DG3904M
DC detect
29 29
6 7
AMP_32V
R358 R358
3.3 3.3
C334 C334
10NF 10NF
WL+
R363 R363
3.3 3.3 C251 C251
C283 C283
C279 C279
1.8UF 1.8UF
1000pF/50V/X7R 1000pF/50V/X7R
0.1uF/50V 0.1uF/50V
C337 C337
TL+
10NF 10NF
C338 C338
10NF 10NF
C281 C281 C280 C280
0.1uF/50V 0.1uF/50V 1000pF/50V/X7R 1000pF/50V/X7R
R365 R365
3.3 3.3
WL-
WR+
R362 R362 C252 C252
3.3 3.3 1.8UF 1.8UF
C274 C274
C276 C276
1000pF/50V/X7R 1000pF/50V/X7R
0.1uF/50V 0.1uF/50V
TR+
C336 C336
10NF 10NF
C339 C339
10NF 10NF
C275 C275 C278 C278
0.1uF/50V 0.1uF/50V 1000pF/50V/X7R 1000pF/50V/X7R
R366 R366
3.3 3.3
WR-
AMP_32V
R359 R359
3.3 3.3
C335 C335
10NF 10NF
Q757 Q757
PNP_3CG3906M PNP_3CG3906M
Q759 Q759
PNP_3CG3906M PNP_3CG3906M
/SD 10,9
GTK-XB5
8 9
5PIN/2.5mm 5PIN/2.5mm
WL+ 5
5
WL- 4
4
3
3
2 6
WR+
2
WR- 1
1
XP10 XP10
4PIN/2.5mm 4PIN/2.5mm
TL+ 4
4
WL- 3
3
TR+ 2 6
2
WR- 1
1
XP13 XP13