System Controls - Sanyo PLC-XP56 Service Manual

Chassis Block Diagrams
* Following information differs from the previous one for chassis No. MR3-XP5500, others are the same;
- IC7301 is deleted, and the pin functions of IC1801 are changed.

System Controls

4-5 21-24
IC9405
DAC
IC212
DAC
IC9931
I/O
EXPANDER
IC3101
VIDEO
DECODER
IC2101
3L-Y/C
IC1101
3D-Y/C
35-36 31-26 37-38 51-54
IC8091
EEPROM
SDA6
SCL6
IC8081
EEPROM
3,5
SDA3
SCL3
IC8001
DVI
RECEIVER
IC7801
IC231
DAC
A/D
IC301
IC1872
SCAN
TEMP.
CONV.
SENSOR
IC1871
SDA3
IC4231
TEMP.
I/P-VCO
SCL3
SENSOR
IC401
SDA5
IC808
DIGITAL
EEPROM
SCL5
GAMMA
-23-
41-42
IC9884
SERIAL-
PARALLEL
IC9851
SERIAL-
PARALLEL
IC9501
CAPTURE
IC9401
AI
PICTURE
IC4201
IC4861
I/P
BUFFER
CONV.
IC9883
FLIPFLOP
IC2311 IC804
A/D SRAM
IC803
FLASH
ROM
IC1801
I/O EXPANDER
From the power fail
detection diodes.
IC5801,IC5831,
IC5861,IC5881
BUFFER