Sony CDX-GT440U Service Manual page 24

Compact disc player
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CDX-GT440U/GT444U/GT447UE
IC402 TK11133CSCL-G (MAIN Board (1/3))
5
CONTROL
CIRCUIT
BAND GAP
REFERENCE
1
IC501 TPS40200DRG4 (MAIN Board (2/3))
RC
1
SS
2
COMP
3
FB
4
IC502 TC7WH123FU(TE12R) (MAIN Board (2/3))
8
7
6
1
2
3
24
4
OVERHEAT &
OVERCURRENT
PROTECTION
2
3
UVLO
OSC
E/A AND SS
REFERENCE
SOFT-START
AND
OVERCURRENT
700mV
ENABLE E/A
5
4
8
7
PWM
DRIVER
6
LOGIC
5
VCC
ISNS
DRV
GND

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