Outline Of The Electrical Circuitry; Functional Block Diagram - Canon SmartBase PC1200s Service Manual

1.3 Outline of the Electrical Circuitry

1.3.1 Functional Block Diagram

Memb- *2 PC
LCD Speaker
rane
J4030 J4020
J403 J402 J404
Control panel Printer Controller
PCB PCB
Key detection Communication
and LCD/LED Control
drive
USB serial
number notice
LCD
function
function
Serial Smoothing
communication
control
J401 J701
J315 J318
Drive control block
Control panel control block
Image processing control block
Communication control block
Speaker control *2
J317 J310
J501
M2
Analog
Reader motor
processor
PCB
J503 J502
J504
J601
Sensor PCB
ADF
Contact sensor
(copyboard cover)
home position
sensor open/close
sensor
PS1 PS2
COPYRIGHT © 2001 CANON INC.
Modular
Jack
PCB *2
J911/J912
Parallel I/F
USB I/F
J7/J8
*2
NCU PCB
2-Line/4-Line
conversion circuit
Dial pulse
FT101 FT901
generation
circuit
J4 J902
Off-hook
detection
circuit
Line voltage
conversion circuit
J1/J2/J6
*2
J319/J320/J321
Image processor PCB
Sensor detection
Memory function
ESS control
*1
J311
J3102
*1
ADF
Original
sensor
PS6
J3112
Registration
sensor
PS7
J3113
Original
delivery
sensor
PS8
J3114
ADF motor
M3
J3110
2000 2000 2000 2000
Delivery
sensor
Fixing assembly
PS3
J1051
J107 J105/ J206
J107/
Power supply PCB
Switching
regulator
Fixing heater control block
High-voltage control block
J102 J902 Drive control block
Sensor detection
Image processor PCB
interface block
J103/104
J301/302
J316 J312
J801 J3120 J3123
M4 M1
Scanner Main
motor motor
*1 : If equipped with ADF functions.
*2 : If equipped with fax functions.
F04-103-01
CANON SmartBase PC1200s/iR1200s REV. 0 DEC. 2001
CHAPTER 4 OPERATION
Cartridge
PS102
J205/J207/208/J209
Paper leading
edge sensor
DC controller PCB
Laser control block
Horizontal sync signal control
Scanner motor control
Cartridge detection mechanism
Toner level detection
mechanism
J204/201
J303/304
J309 J307 J314
J3124
FM1 SL1 SL2
PS103
Cassette
paper sensor
J308
SW1 PS4
4-5