Sony MDS-EX880 Service Manual page 27

– MAIN Board –
IC306 SN74HC153AN
DATA INPUTS
STROBE A
V 2C3 2C2
2G SELECT
CC
16 15 14 13 12
2C3 2C2
2G
B
B
1G
1C3 1C2 1C1
1 2 3 4 5
STROBE B 1C3 1C2 1C1
1G SELECT
DATA INPUTS
IC308, 309 BA6208
SWITCH
SWITCH
1 2 3 4
IC317 M62016L
COM
+
INTERRUPT SIGNAL
– GENERATING BLOCK
COM
+
RESET SIGNAL
– GENERATING BLOCK
2 3 4
1
GND INT RESET CD
OUTPUT
2C1 2C0
2Y
11 10 9
2C1 2C0 2Y
B A A
B A A
1C0 1Y
6 7 8
1C0 OUTPUT GND
1Y
MOTOR
DRIVE
MOTOR
DRIVE
REG
5 6 7 8
5
VCC
9
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