Outline Of Electrical Circuitry - Canon 1000 Service Manual

3. OPERATION AND TIMING
B. Outline of Electrical Circuitry
The CLC1000's major electrical mechanisms are controlled by the microprocessor mounted on the
reader controller PCB and the DC controller PCB.
The controller PCB and the DC controller PCB each are equipped with a lithium battery to back up
important data.
CCD/CCD driver PCB
Analog processor PCB
Scanner motor driver PCB
Lamp regulator
Control panel
CCV, Projector, Editor, DF, Copy Data Controller
LED front PCB
for pattern reading
CCD front PCB
for pattern reading
LED rear PCB
for pattern reading
CCD rear PCB
for pattern reading
AC driver PCB
Potential measurement PCB
HVT 1/2/3/4/5
Charging assembly
Laser scanner motor,
Laser scanner motor driver PCB
Motor, Fan, Clutch, Solenoid
3-2
COPYRIGHT © 2001 CANON INC.
IP motherboard PCB
IP memory PCB
IP ECO PCB
ED board
Image processor PCB
Image position
correction PCB
(front)
Image position
correction PCB
(rear)
Developing bias
Interface motherboard PCB
Reader controller PCB
ROM
CPU
Q1314 Q1301
Q1305
Q1308
RAM
Q1315
Q1307
Q1312
Q1313
Q1316
Q1323 IPC
Q1309
Q1320
DC controller PCB
CPU
ROM
Q2324
Q2340
Q2341
RAM
Q2342
Q2343
IPC
Q2325
Figure 3-102
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Laser driver/laser
BD Board PCB
Video controller PCB
Preview Monitor Board/monitor
Interface Board
SALT sensor PCB
Color toner density sensor
Sensor, Switch
Fixing motor
Drum motor
Developing motor
Holding tray motor
Pick-up motor
Paper deck
Pre-exposure lamp