Sony WX-GT77UI Service Manual page 30

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