Schematic Diagram - Main Board (1/7) - Sony GTK-XB5 Service Manual

4-3.

SCHEMATIC DIAGRAM - MAIN Board (1/7) -

1
MAIN BOARD
A
POWER INPUT
XS1 XS1
1 PSON R89 R89 0 0
1
2
2
3
3
4
4
5
5
6
6
7
7
7PIN/2.0mm/60mm 7PIN/2.0mm/60mm
B
C
close to LDO 1
3.3V_D1
C17 C17 C16 C16
R23 R23
3
47K 47K
0.1UF 0.1UF
Vout=0.8*(1+15/12)=1.8V
3.3V 1.8V
D
E
GTK-XB5
2 3
(1/7)
32V_MAIN
FB2 FB2 120/2A 120/2A
VCC_D
32V_MAIN AMP_32V
R1 R1
200K 200K
C46 C46
C47 C47 C1 C1
C4 C4
+ +
C25 C25
R99 R99
22K 22K
0.1uF 0.1uF
Close to VIN
U2 U2
1.8V_D
SGM203-2ADJ3 SGM203-2ADJ3
STB_3V3
5
VIN VOUT
C29 C29
4
R21 R21
EN ADJ/SENSE 0.1UF 0.1UF
15K/1% 15K/1%
GND C30 C30
0.1UF 0.1UF
R19 R19
12K/1% 12K/1%
3.3V_D1_EN
POWER CONTROL 3.3V
4 5
C14 C14 0.1uF/50V/X7R 0.1uF/50V/X7R
U14 U14
TPS54140 TPS54140
1 10
BOOT PH
2 9
R16 R16
VIN GND
3 8
EN COMP
4 7
SS/TR VSNS
5 6
L1 L1
RT/CLC PWRGD
1 2
R20 R20
3
NC/56 NC/56
22uH-48uH 22uH-48uH
R18 R18
20K 20K
R69 R69
200K 200K
CE2 CE2
C109 C109
C15 C15 + +
D1 D1
B360/60V/3A B360/60V/3A
3.3V_D1
FB14 FB14 120/2A 120/2A
S D
Q11 Q11
R10 R10
P_AP2305 P_AP2305
100K 100K
R101 R101
5 POWER_5V_EN
R203 R203
1K 1K
23 23
6 7
C27 C27
C10 C10
470pF/50V/NP0 470pF/50V/NP0 470pF/50V/NP0 470pF/50V/NP0
100 100 STB_5V
+12V
D3 D3 MBRX180/80V/1A MBRX180/80V/1A
STB_5V
FB3 FB3 120/2A 120/2A
R5 R5
49.9K/1% 49.9K/1%
+ +
R6 R6 R90 R90
C6 C6
10uF 10uF
VOUT=0.8V*(1+49.9K/9.6K)=5.0V
STB_5V
U23 U23
VCC_D
4
VIN
1 5 FB4 FB4 120/2A 120/2A
SS VOUT
3 2
1K 1K
EN GND
C164 C164 C162 C162 EUP3504 EUP3504
R100 R100 C165 C165
R237 R237
20 20 1uF/10V/X5R 1uF/10V/X5R
47K 47K
5 POWER_EN
POWER CONTROL 5V
STB_5V
ADC_5V
Q28 Q28
PNP_3CG3906M PNP_3CG3906M
R245 R245 C31 C31
4.7K 4.7K 0.1UF 0.1UF
R204 R204
1K 1K
ADC_5V_EN
POWER CONTROL ADC_5V
GTK-XB5
8 9
STB_3V3
FB17 FB17 120/2A 120/2A
U1 U1
SY8088 SY8088
4 3 L2 L2 2.2uH/3.4A 2.2uH/3.4A
VIN LX
C9 C9
C8 C8 C2 C2 R3 R3
68K/1% 68K/1% NC/22pF/50V/NP0 NC/22pF/50V/NP0
C5 C5
1 5
EN VFB
R2 R2
15K/1% 15K/1%
Vout=0.6×(R1+R2)/R2=3.32V
+12V V_12V
FB16 FB16 0 0
S D
Q2 Q2
C19 C19 R11 R11
AP2315GEN AP2315GEN
0.1UF 0.1UF 47K 47K R4 R4
15 15
R13 R13
ZD1 ZD1
10K 10K
ZMM12V/12V ZMM12V/12V
3.3V_D1_EN
D5 D5 LL4148 LL4148
ADC_5V_EN
D6 D6 LL4148 LL4148
R239 R239 10K 10K
Q4 Q4
NPN_3DG3904M NPN_3DG3904M
C21 C21
R236 R236
47K 47K 0.1UF 0.1UF
POWER CONTROL 12V