Sony BKM-21D Maintenance Manual page 86

TC4W53FU (TE12R)
(IC337, IC351, IC352, IC371, IC703, IC704)
1
VCC CH1 CH0 ADR
8 7 6 5
1 2 3 4
COM INH VEE VSS
TC74VHC02F (EL) (IC117)
2
1Y 14 VCC
1
1A 13 4Y
2
12 4B
1B 3
11
2Y 4 4A
2A 5 10 3Y
9 3B
2B 6
GND 7 8 3A
3
TC74VHC123AF (EL) (IC50)
16 15 14 13 12 11 10 9
Q
Q
Q
CLR
Q
1 2 3 4 5 6 7 8
4
TC74VHC175F (EL) (IC119)
16 15 14 13 12 11 10 9
Q Q Q
Q
CLR CLR
CK D D CK
5
CK D D CK
CLR CLR
Q Q Q Q
1 2 3 4 5 6 7 8
A B
TC74VHC245F (EL), (IC125, IC126)
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
TC74VHC4040F (EL) (IC343)
8 7 6 5 4
C Q C Q
C Q C Q
R R
9 10 11 12 13
TC74VHC595F (EL) (IC807, IC808, IC809)
16 15 14 13 12 11 10 9
VCC
SHIFT REGISTER
LATCH
GND
2 3 4 5 6 7 8
1
PARALLEL DATA
OUTPUT
8-16
C D
BD BD
TC74VHC86F (EL) (IC118)
14 13 12
1 2
TC74VHCT541AFT (IC95, IC96, IC97, IC98, IC99, IC100)
G1 1
A1 2
A2 3
A3 4
A4 5
3 2 1
A5 6
A6 7
A7 8
C Q
A8 9
C
GND 10
R
TC7S00FU (TE85R) (IC375)
14 15 16
INB 1
INA 2
GND 3
TC7S08FU (TE85R) (IC830)
IN B 1
IN A 2
GND 3
8-16
E
11 10 9 8
5 6 7
3 4
20 VDD
19 G2
18 Y1
17 Y2
16 Y3
15 Y4
14 Y5
13 Y6
12 Y7
11 Y8
5 Vcc
4 OUT
5 VCC
4
OUT Y
F G
BKM-21D
H