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WX-GT77UI, WX-GT78UI, WX-GT78UIM - Sony Car Audio Service Manual (repair manual). Page 30

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WX-GT77UI/GT78UI/GT78UIM
30
IC801  TPS40200DRG4 (MAIN Board (3/3))
IC802  TPS2051BDRG4 (MAIN Board (3/3))
IC803  TC7WH123FU(TE12R) 
(MAIN Board (3/3))
1
2
GND
OC
IN
CHARGE
PUMP
3
IN
4
EN
DRIVER
CURRENT
LIMIT
THERMAL
SENSE
UVLO
CS
8
7
5
6
OUT
OUT
OUT
8
VCC
7
RX/CX
6
CX
5
Q
1
A
2
B
3
CLR
4
GND
1
2
RC
GND
DRV
ISNS
VCC
SS
3
COMP
4
FB
SOFT-START
AND
OVERCURRENT
700mV
ENABLE E/A
E/A AND SS
REFERENCE
7
8
6
5
UVLO
OSC
PWM
LOGIC
DRIVER
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