Name: Panasonic KX-FP342CX
Brand: Panasonic
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DIsplay mode Density Normal Darker

2 lines (X1. 0) LED1 (IC301-22pin) H L

XLD15 (IC301-21pin)

L L

X1. 5 LED1 H H

XLD15

Hi-Z L

7.14. POWER SUPPLY BOARD SECTION

This power supply board uses the switching regulator method.

189

ABOUT LEAD FREE SOLDER (Pbf: Pb Free)2
SUGGESTED Pbf SOLDER3
HOW to RECOGNIZE that Pb FREE SOLDER IS USED3
Safety Precautions4
Insulation Resistance Test5
For Service Technicians6
Battery Caution6
Personal Safety Precautions7
Service Precautions7
Features and Specifications8
Optional Accessories9
Specifications10
Installation12
Location of Controls12
Control Panel13
Installation Space17
Installing the Paper Tray18
Installing the Recording Paper23
Setting Your Logo25
Maintenance Items and Component Locations28
Gear Operation30
Print Mode31
Copy Mode32
Thermal Head42
Disassembly Flow Chart45
Lower Cabinet Section46
Disassembly Procedure47
How to Remove the Operation Panel Block48
How to Remove the Operation Board and Lcd49
How to Remove the Image Sensor (Cis)50
How to Remove the Thermal Head51
How to Remove the Pickup Roller53
How to Remove the Bottom Frame55
Installation Position of the Lead Wires59
Troubleshooting Guide60
User Recoverable Errors60
Document Feeder61
Service Function61
Recording Paper Jams61
Installing the Ink Film62
Document Jams - Sending64
Programming and Lists64
Operation Flow64
Test Functions68
Dtmf Single Tone Transmit Selection70
Button Code Table71
Print Test Pattern71
Remote Programming73
Program Mode Table75
The Example of the Printed List78
User Mode78
Troubleshooting Details82
Starting Troubleshooting82
Troubleshooting Items Table83
Document Jam86
Paper Jam91
Communication Section100
Troubleshooting101
Special Service Journal Reports121
Digital Board Section126
Initializing Error131
Analog Board Section134
Troubleshooting Flowchart139
Sensor Section143
CIS (Contact Image Sensor) SECTION144
Thermal Head Section145
Circuit Operations146
Connection Diagram146
General Block Diagram147
Control Section149
Analog Unit151
Rtc Backup Circuit158
Supervision Circuit for the Thermal Head Temperature159
Facsimile Section160
Image Data Flow During Facsimile Operation160
Block Diagram162
Scanning Block165
Gear Section169
Sensors and Switches169
Modem Section172
Modem Circuit Operation180
Check Sheet180
Analog Section181
Ncu Section182
Line Amplifier and Side Tone Circuit183
Calling Line Identification Circuit183
Dtmf Monitor186
Tam Interface Section186
Circuit Operation187
Operation Board Section187
Lcd Section188
Power Supply Board Section189
Reference Material Data193
Terminal Guide of the Ics, Transistors and Diodes193
How to Replace the Flat Package IC193
Flat Package IC Removal Procedure194
Flat Package IC Installation Procedure196
Bridge Modification Procedure197
Test Chart197
ITU-T No.2 TEST CHART198
Fixtures and Tools199
Cabinet, Mechanical and Electrical Parts Location200
General Section200
Operation Panel Section201
Back Cover Section202
Upper Cabinet Section204
Lower Cabinet/ P.C.board Section205
Motor Section206
Actual Size of Screws207
Accessories and Packing Materials207
Replacement Parts List208
Cabinet and Electrical Parts209
Lower Cabinet/ P.C.b.section211
Digital Board Parts213
Analog Board Parts219
Operation Board Parts222
Power Supply Board Parts224
Sensor Board Parts226
Printed Circuit Board226
Digital Board (Pcb1)226
Analog Board (Pcb2)227
Operation Board (Pcb3)227
For the Schematic Diagrams227
Cover Open241

Brand	Panasonic
Model	KX-FP342CX
Category	Fax Machine
Language	English

Panasonic KX-FP342CX User Manual

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