LG GoldStar GSW-9320 Service Manual page 14

GSW-9320,
IC EQUIVALENT CIRCUITS
POWER SUPPLY
SW D SWC
CONTA IN/OUT OUTI/IN
VDD CONTB OUT/IN IN /OUT
IN/OUT OUTIIN CONTB VSS
OUTIIN 'IN/OUT CONTC
SW A SW B
GND OUTPUT OUTPUT MUTING
IC5 TC9153P (E-VOLM
1C4,6,8,11 KIA75558P
(E-VOLM)
VSS INH
(DUAL OP AMP)
VDD
(16) (1)}—(7)
AUTO
7 BITS 6 BITS
U/D U/D INITIALIZE
U/D
BIDIRECTIONAL
BIDIRECTIONAL
CIRCUIT
CK SHIFT REGISTOR ) JOCK SHIFT REGISTOR
MeREARGR (Ma sune =
a a a oe a COMSTANT
Osc CURRENT [48)0Co
CIRCUIT
VDD
R-OUT1
R-IN1
3
IC7 MC14011B
7 BITS LATCH CIRCUIT
A-SW
(13) A-GND
a
VDD = Pin 14
VSS = Pin 7
\
'
3
2
5
4
6
8
10
9
12
1
13
6 BITS LATCH CIRCUIT
t BITS LATCH CIRCUIT
A-SW A-SW
L-ouT2 (6)
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