
2. Block Diagram of the CPU
Figure 3-102
CPU
CPU
Control panel
Image processor PC
FAX
Mother-
board
G3FAX Board
DC controller
PCB
NCU
Telephone
line
CPU
Memory
control
Coding/
decoding
Modem
CPU
Composite power supply PCB
Lamp
regulator
circuit
24V
5V
15V
-12V
7V
Scanning lamp
DP
RAM
IPC
Sorter
RDF/ADF
Communication
control device
DC loads
Laser
scanner
motor
Main
motor
M
M
CORE/IP
Board
Selector
Memory Memory
HVT
circuit
DC power
supply
circuit
Serial communication
Serial
communication
IC506
IC108
IC101
ROM
IC103
IC104
ROM
RAM
IC105
MASK
ROM
IC564
IC650
RAM
IC651
RAM
BAT501
IC528
FLASH
ROM
FLASH
ROM
ROM SIMM
Q605
J527
IC1
IC2
Clutch
Solenoid
Motor
Sensor
Etc.
COPYRIGHT © 1996 CANON INC. CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
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3. OPERATIONS AND TIMING