Sony HT-ST7 Service Manual page 54

HT-ST7
IC908, 6005 R1191N050B-TR-FE
ECO 1
VOLTAGE
REFERENCE
+
SHORT
GND 2
PROTECTION
CE 3
IC1004 PST8429UL
GND 1
VREF
+
–
VDD 2
IC5101 74LVC1G79GW-125
1
D
C
TG
CP 2
_
C
GND
3
54
THERMAL
PROTECTION
PEAK
CURRENT
REVERSE
PROTECTION
DETECTOR
4 OUT
3 CD
C
TG
C
C
_
TG
C
TG
_
C
_
C
C
_
C
5 VDD
4 VOUT
IC5105 TC74VHC157FT (EKJ)
SELECT 11 1
5 VCC
1A 2
INPUT
1B
OUTPUT 1Y
2A
INPUT
2B
OUTPUT 2Y
GND 8
4 Q
16
V
CC
S
1A G 15 STROBE
4A
3 1B 4A 14
INPUT
4B
4 13
1Y 4B
5 2A 4Y 11 12 4Y OUTPUT
6 11 3A
2B 3A
INPUT
7 10 3B
2Y 3B
3Y
3Y OUTPUT
9