Sony HCD-CP33 Service Manual page 54

– MAIN Board –
IC301 TDA7439
IC302 NJM3414AM-TE2
OUT1 1
1CH
–IN1 2
+IN1
3
VEE 4
IC304 MC14052BF-T1
1
2X0
2X2 2
2XCOM 3
2X3 4
2X1 5
INH 6
VEE 7
VSS 8
54
30 29 28 27 26 25 24 23 22 21 20 19
IIC BUS
DECODER &
LATCH
VREF
SUPPLY
1 2 3 4
8 VCC
OUT2
7
2CH
–IN2
6
+IN2
5
16 VDD
15 X2
14 X1
13 XCOM
12 X0
11 X3
10 A
9 B
18 17
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
GAIN AMP
MULTIPLEXER
5 6 7 8 9 10
IC303 BA4558F-E2
OUT1 1
–IN1 2
+IN1
3
VEE 4
IC307 KA3082
1
16
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
GAIN AMP
MULTIPLEXER
11 12 13 14 15
8 VCC
1CH
OUT2
7
2CH
–IN2
6
+IN2
5
DRIVER OUT
PRE DRIVER
LOGIC
TSD
SWITCH
2 3 4 5 6 7 8 9 10