System Controls - Sanyo PLC-SW30 Service Manual

Chassis Block Diagrams
● System Controls
3,5 3 4 5 2
IC3561
DAC
IC8802
TEMP.
SENSOR
IC8801
TEMP.
SENSOR
IC101
VIDEO
DECODER
IC1841
EEPROM
1 5 4 1-2 3-4
IC3551
DAC
IC3571
DAC
IC1881
IC5302
INVERTER
YUV_SYNC
IC1882
SUB CPU
IC4801
NAND
IC8201
A/D
1 17-18 19 15-14
IC501,
IC531,
IC561
S&H
IC1802
OUTPUT
EXPANDER
IC301
MAIN CPU
-33-
7
IC1801
OUTPUT
EXPANDER
IC1811
BUFFER
From the power fail
detection diodes.
OPTION
IC1871
RESISTORS
COMPARATOR