Sony HCD-GTX66 Service Manual page 63

QQ
3 7 63 1515 0
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))
TE
L 13942296513
1I/O 1
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
IC568 TC74VHC157FT(EKJ) (MAIN Board (2/4))
SELECT 11 1
1A 2
INPUT
1B 3
4
OUTPUT 1Y
5
2A
INPUT
6
2B
7
OUTPUT 2Y
www
GND 8
.
http://www.xiaoyu163.com
VDD X2
16 15
1 2 3 4 5
Y0 Y2 Y Y3 Y1
14 VCC
13 1C
12 4C
11 4I/O
10 4O/I
9 3O/I
8 3I/O
16 V
CC
S
1A G 15 STROBE
1B 4A 14 4A
INPUT
4B
1Y 4B 13
11 12 4Y OUTPUT
2A 4Y
3A
11
2B 3A
INPUT
10 3B
2Y 3B
3Y
3Y OUTPUT
9
x ao
y
i
http://www.xiaoyu163.com
8
X1 X X0 X3
14 13 12 11
BINARY TO 1 OF 4
DECODER WITH INHIBIT
Q Q
3 6 7 1 3
u163
.
HCD-GTX66/GTX77
2 9 9 4 2 8
A B
10 9
LEVEL
CONVERTER
6 7 8
INH VEE VSS
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
63