Sony HCD-GZR333IA Service Manual page 64

HCD-GZR333IA
64
IC931 SI-8001FFEK (MAIN Board (3/3))
IC951 SI-8001FFEK (MAIN Board (3/3))
OVERCURRENT
ON/OFF
PREG
PROTECTION
SOFT
START
OSCILLATOR
COMPARATOR
–
+
–
+
ERROR AMP
1
IC781 BU9253FS-E (MIC Board)
16 15 14 13
A/D
OSC
COUNTER SRAM
D/A
1 2 3 4
IC1500 TC74LVX4051FT (VIDEO Board)
16 15 14 13 12
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
1 2
LATCH
RESET
&
DRIVER
THERMAL
PROTECTION
REFERENCE
VOLTAGE
2 3 4 5
12 11 10 9
MIX
5 6 7 8
11 10 9
3 4 5 6 7 8