System Controls - Canon LV-X4U Service Manual

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Chassis Block Diagrams

System controls

11
12
IC7961
DAC
CONTROL
IC8831
TEMP.
SENSOR
IC8821
TEMP.
SENSOR
IC8811
TEMP.
SENSOR
IC101
VIDEO
DECODER
IC1841
EEPROM
3
4
1
1
3
IC4811
LAMP
IC3531
DAC
IC5302
YUV_SYNC
IC5001
AUDIO
IC4801
INVERTER
IC4811
IC8201
A/D
SYSTEM CONTROL
51
47-50
51,52
45,43
7,8
IC501,
IC531,
IC1802
OUTPUT
IC561
EXPANDER
S&H
IC1804
OUTPUT
EXPANDER
IC1811
BUFFER
OPTION
RESISTORS
IC301
6-6
IC1801
OUTPUT
EXPANDER
IC1803
OUTPUT
EXPANDER
From the power fail
detection diodes.
IC1871
COMPARATOR

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