Sony CMT-BX1 Service Manual page 50

HCD-BX5BT/CBX1/CBX3
IC310 PST3629NR
OUT 1
VDD 2
–
+
VREF
GND 3
IC321, 322 TC74HC4066AFT (EL)
1I/O 1 14
13
1O/I 2 12
2O/I 3 11
2I/O 4 10
2C 5 9
3C 6
GND 7 8
– AMP Board –
IC601 STK433-730S-E
FINAL DRIVE
CH2
FINAL DRIVE
STANDBY
CH1
CIRCUIT
1 2 3 4 5 6 7 8 9
48
5
4
VCC
1C
4C
4I/O
4O/I
3O/I
3I/O
PRE DRIVE
CH2
PRE DRIVE
CH1
10 11 12 13 14 15
IC311 BA6956AN
CD
1 2 3
NC
IC323 TC74VHC157FT (EKJ)
SELECT 11 1
S
1A 2
1A
INPUT
3
1B 1B
1Y 4 1Y
OUTPUT
5
2A 2A
INPUT
2B 6 2B
2Y 7 2Y
OUTPUT
3Y
GND 8
TSD
CONTROL LOGIC
4 5 6 7 8 9
16 V
CC
15 STROBE
G
14 4A
4A
INPUT
4B
4B 13
11 12
4Y 4Y OUTPUT
3A
3A 11
INPUT
3B 10 3B
9 3Y OUTPUT