Sanyo PLV-55WM1 Service Manual page 79

Lcd projection monitor
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● System m Co o ntrols
● System Controls
5
2
3
4
5
6
7
IC4841
DAC
IC3561
DAC
K01S
IC5831
I/O
EXPANDER
NETWORK
TERMINAL
K58B
IC501,
IC1501,
IC2501
S&H
SYSTEM CONTROL
IC5811
RS232C
IC5826
BUFFER
IC5821
NOR
3
4
1
1
3
IC1802
OUTPUT
EXPANDER
IC1871
INVERTER
IC1811
BUS_BUFFER
IC1861
LAMP
IC1812
CONTROL
BUS_BUFFER
IC 1
IC301
- 79 -
Chassis Block Diagrams
LED-On: H
IC1801
OUTPUT
EXPANDER
IC1804
OUTPUT
EXPANDER
IC1803
OUTPUT
EXPANDER
From the power fail
detection diodes.
IC851
COMPARATOR

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