Sony STR-KS2000 - IC Block Diagrams and Pin Functions

STR-KS2000
41
• IC Block Diagrams
– MAIN Board –
IC1003, 1017 TC7WH157FK (TE85R)
SELECT
116
ST
117
A
1
2
3
A
B
Y
5
Y
B
GND
4
VCC
8
Y
EN G
Y
IC1008, 1900 TC74VHC157FT (EKJ)
SELECT
111
1A
2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND
8
VCC
STROBE
16
4A
15
14
13
1112
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
IC1012 SI-3050KM-TL
1VC
TSD
2VIN
3GND
4VOUT
5ADJ
+
–
REF
IC1014 TC7WH74FU (TE12R)
6
CLR
7
PR
8
VCC
5
Q
RSQ
3
Q
2
D
4
GND
1
CK
QDC
IC1016 TC74VHC393FT (EL)
14 13 12 11 10 9 8
1 2 3 4 5 6 7
QA QB QC QD
A
CLEAR
VCC
QA QB QC QD
A
CLEAR
GND
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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