![background image](http://html.mh-extra.com/html/sony/hcd-gtx88/hcd-gtx88_service-manual_420754066.webp)
66
HCD-GTX88
IC563 BU4052BCF-E2 (MAIN Board (2/4))
IC564 BU4052BCF-E2 (MAIN Board (2/4))
IC566 TC74HC4066AFT(EL) (MAIN Board (2/4))
IC567 TC74HC4066AFT(EL) (MAIN Board (2/4))
IC568 TC74VHC157FT(EKJ) (MAIN Board (2/4))
1
Y0
2
Y2
3
Y
4
Y3
5
Y1
15
X2
14
X1
13
X
12
X0
11
X3
10
A
9
B
16
VDD
6
INH
7
VEE
8
VSS
BINARY TO 1 OF 4
DECODER WITH INHIBIT
LEVEL
CONVERTER
1I/O
VCC
1
14
1C
13
4C
12
4I/O
11
4O/I
10
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
3O/I
9
3I/O
8
SELECT 11
1
1A
2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
Summary of Contents for HCD-GTX88
Page 103: ...103 HCD GTX88 MEMO ...