Sony HCD-D90AV Service Manual page 45

• Power section
IC301 uPC1237HA
OVER LOAD DET
OFFSET DET
LATCH/
AUTORESET
AC OFF
DET
1 2 3 4
• Deck section
IC602 uPC1330HA
COMPARATER
2 4
1 3
SW R1 GND SW P1 CONT GND
• CD motor section
IC701 M54641L
VCC
1
REG
INPUT
IN1 3
AMP.
CONTROL
INPUT
IN2 6
AMP.
4
GND
IC801 BA6286N
GND
1
RIN 2
VREF
3
OUT2
4
RNF 5
CONTROL
TSD
GND
6
7
OUT1
VM
8
VCC
9
FIN
10
V ON
CC
F/F
MUTE
V
CC
5 6 7 8
INVERTER
6
5 7 8 9
VCC SW P2 GND SW R2
VCC
8
5 REFERENCE
POWER
OUT2
2
AMP.
POWER
OUT1
7
AMP.
PO WER
SAVE
LOGIC
— 81 —