Canon FY8-23AV-000 manual General Circuit Diagram

Page 55

C. General Circuit Diagram

PC400/FC200 GENERAL CIRCUIT DIAGRAM

9

8

7

6

5

4

3

2

1

Fixing heater

Delivery sensor

temperature sensor

Q801

I

Intensity sensor

TH1

3

J907F

PD601

FU2

J907

J801

NC

2

3

2

1

PCBlamp Scannig

fuse2ThermalBK/W

FixingheaterH1

1

BL

YGND

BL DGT1 KEYRO LEG

Y

R

Y

H

N.C

N.C

TH1 1

J603F

J621F

2

3

4

5

1

2

3

4

J603P

J621P

W

Control panel PCB

G

1

1

J601

R

Y

Y

J908P

J909P

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

J908F

J909F

1

2

3

J906

1

1

W GND

W SEG2

W W W CHECK DGT1 PWSON S

W

W

W +24V

F

J906PP

W +5V

DGT2W

DGT0W

W GND

W VR

KEYR0W TH1

WCLK S

OUTW S

W INS

J906F

BK

W

3

2

1

LID

R

Y

Y

SW1

SW2

1

2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

E

J108

JP350

J101

J102

J202

HOT

BK

BK

J104

RETURN

W

W

DC controller/DC power supply PCB

100V

Door switch

Delivery door switch

J103

J201

J5

J6

J7

J8

D

12

11

10

9

8

7

6

5

4

3

2

1

HOT

LEG

DGT0

KEYR0

CBSP

CBSD

+24V

RGSD

+24V

MMD

LEG

+5V

MMCLK

RETURN

J1

T

P

B

G

120/230V

PK

PK

Y

Y

V

V

V

1 2

1 2

V

V

V

V

V

C

1

2

3

J902F

J901F

1

2

1

2

3

Color Code

J906PP

J901PP

J905F

J903F

J904F

BK

Black

J902

J901

R5

J905

J903

J904

BL

Blue

1

2

1

2

BR

Brown

GY

Gray

M

GN

Green

M1

B

OR

Orange

Q902

Q901

PK

Pink

Copyboard

SL2

SL1

Main motor

Motor rotation

R

Red

Registration

SB

Sky Blue

position

detection

solenoid

V

Violet

detection

Copyboard

W

White

drive solenoid

Y

Yellow

YG

Yellow Green

A

A-5

Image 55

Contents Service Handbook Copyright 1998 Canon INC Contents Troubleshooting Malfunctions Self Diagnosis Page Durables Periodically Replaced PartsPeriodical Servicing Storing Sealed Cartridges 1D Temperature/Humidity Specifications2D Transportation Storing and Handling Unsealed Cartridges Reference Pre-Checks Image Adjustment Basic ProcedurePoints to Note Glass MechanicalElectrical Adjusting the Intensity VR6042B PC400/FC200 Adjusting the AE Mechanism VR602, VR603 JP607 JP605 JP604 Control panel PCB Screwdriver Standards and Adjustments Site Environment Making Initial ChecksChecking the Documents Checking the Copy Paper Checking the Feeding AssemblyChecking the Lens Array for Dirt Checking the Transfer Charging RollerImage Troubleshooting Others Image Troubleshooting Samples of Image Faults YES Troubleshooting by Image FaultCopy is foggy overall Back Replace the cartridge Is the problem corrected? Back of the copy is soiled Copy has white spots cross feed directionCopy has faulty fixing Copy is foggy cross feed direction Copy has a blurred imageCopy has poor sharpness focus Copy is solid black Copy is blankImage Troubleshooting Self diagnosis PC400/FC200 Troubleshooting MalfunctionsCopyboard Does the copying operation start AC power is absent Scanning lamp fails to go on Pick-up failsCopyboard fails to move Main motor fails to rotateAt time of jam Paper feeding normallyFixing heater fails to operate Copy Paper Jams Separation/Feeding Assembly Pick-Up AssemblyFixing/Delivery Assembly Double Feeding Feeding FaultsWrinkles Sensors and Solenoids Arrangement and Functions of Electrical PartsSwitches Lamp, Heater, Motor, and Others Printed Circuit Board PCB DC Controller/DC Power Supply PCB Variable Resistors VR and Check Pins by PCBPC400/FC200 Control Panel PCBSelf Diagnosis Self Diagnosis General Timing Chart PC420/430/FC220 General Timing Chart A4, 2 copies Signals Signals/Abbreviations ListAbbreviations General Circuit Diagram PC420/430/FC220 General Circuit Diagram Special Tools Table Solvents/Oils Table LTR/A4 LGL SpecificationsNVD Prepared by This publication is printed on 70% reprocessed paper