Sony STR-KS2000 Service Manual page 41

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3 7 63 1515 0
• IC Block Diagrams
– MAIN Board –
IC1003, 1017 TC7WH157FK (TE85R)
EN G
A 1
A Y
2
B B Y
Y 3
GND 4
IC1012 SI-3050KM-TL
VC 1
VIN 2
GND 3
TE
L 13942296513
REF
VOUT 4
ADJ 5
IC1016 TC74VHC393FT (EL)
14 13 12 11
VCC
Q
A
CLEAR
CLEAR
Q Q
A B
www
1 2 3 4
.
http://www.xiaoyu163.com
8 VCC
11 7 ST
11 6 SELECT
5
Y
TSD
–
+
10 9 8
Q Q Q
B C D
A
A
Q Q
C D
GND
5 6 7
x ao
y
i
http://www.xiaoyu163.com
8
IC1008, 1900 TC74VHC157FT (EKJ)
SELECT 11 1
1A 2
INPUT
3
1B
4
OUTPUT 1Y
2A 5
INPUT
2B 6
2Y 7
OUTPUT
GND 8
IC1014 TC7WH74FU (TE12R)
8 7
S
Q Q
3 6 7 1 3
C D
1 2
u163
.
2 9 9 4 2 8
16 V
CC
S
15 STROBE
1A G
14 4A
1B 4A
INPUT
4B
13
1Y 4B
2A 4Y 11 12 4Y OUTPUT
3A
2B 3A 11
INPUT
2Y 3B 10 3B
3Y
9 3Y OUTPUT
6 5
R Q
1 5 0 5 8 2 9 9 4
Q
3 4
m
co
STR-KS2000
9 9
2 8 9 9
41