Panasonic KX-FP365CX - How to Remove the Thermal Head

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142

KX-FP365CX / KX-FM388CX

14.1.2. How to Remove the Thermal Head

Main Page

Table of Contents2
Safety Precautions5
For Service Technicians5
AC Caution5
Personal Safety Precautions6
Moving Sections of the Unit6
Live Electrical Sections6
Service Precautions7
Precautions to Prevent Damage from Static Electricity7
Warning8
About Lead Free Solder (Pbf: Pb Free)8
Suggested Pbf Solder8
Insulation Resistance Test9
Battery Caution9
Discarding of P. C. Board9
Specifications10
General/Introduction11
Optional Accessories11
Features11
Technical Descriptions12
Connection Diagram12
General Block Diagram13
General Block Diagram14
Control Section15
Block Diagram15
Memory Map16
Asic (Ic1)17
Flash Memory (IC6)20
Dynamic RAM (IC4)20
Reset Circuit (Watch Dog Timer)21
RTC Backup Circuit22
Supervision Circuit for the Thermal Head Temperature23
Facsimile Section24
Image Data Flow During Facsimile Operation24
Block Diagram25
Thermal Head26
Scanning Block28
Stepping Motor Drive Circuit (RX)29
Stepping Motor Drive Circuit (TX)31
Sensors and Switches33
Document Top Sensor (SW337)34
Document Set Sensor (SW338)34
Paper Top Sensor (PS401)35
Cover Open Sensor (SW502)35
Hook Switch (SW101)36
Modem Section37
Function37
Modem Circuit Operation43
NCU Section44
General44
EXT. TEL. Line Relay (RLY101)44
Bell Detection Circuit44
Pulse Dial Circuit and ON/OFF Hook Circuit44
Line Amplifier and Side Tone Circuit45
Calling Line Identification Circuit (FSK)46
Calling Line Identification Circuit (DTMF)47
ITS (Integrated Telephone System) and Monitor Section48
General48
Speakerphone Circuit48
Handset Circuit48
Monitor Circuit for each Signals48
ATAS (Automatic Telephone Answering System) Section48
Operation Board Section49
LCD Section50
Power Supply Board Section51
Location of Controls and Components54
Overview54
Control Panel54
Installation Instructions55
Installation Space55
Connections56
Connecting to a Computer (KX-FM388 Only)56
Installing the Ink Film57
Installing the Paper Tray59
Paper Support59
Installing the Recording Paper59
Operating Instructions61
Setting Your Logo61
Installing PANA LINK Software62
Test Mode63
DTMF Signal Tone Transmit Selection64
Button Code Table64
Print Test Pattern65
Service Mode66
Programing and Lists66
Operation66
Operation Flow66
Service Function Table67
Memory Clear Specification69
The Example of the Printed List70
User Mode70
Service Mode Settings71
History72
Troubleshooting Guide74
Troubleshooting Summary74
Precautions74
Error Messages-Display75
Error Messages-Report77
Journal Report77
Special Service Journal Report86
Communication Section90
Remote Programming99
Entering the Remote Programming Mode and Changing Service Codes99
Program Mode Table100
Troubleshooting Details102
Outline102
Starting Troubleshooting102
Troubleshooting Items Table103
ADF (Auto Document Feed) Section105
Digital Board Section118
Analog Board Section125
Digital Speakerphone127
Power Supply Board Section129
Operation Panel Section132
Sensor Section133
CIS (Contact Image Sensor) Section135
Thermal Head Section136
Problem with PANA LINK (KX-FM388 Only)137
Service Fixture & Tools139
Disassembly and Assembly Instructions140
Upper Cabinet Section141
How to Remove the Image Sensor (CIS)141
How to Remove the Thermal Head142
Back Cover Section143
How to Remove the Back Cover and Platen Roller143
How to Remove the Pickup Roller144
How to Remove the Paper Exit Roller and Cassette Lever145
Lower Cabinet Section146
How to Remove the Bottom Frame146
How to Remove the Digital, Analog, Interface and Sensor Boards147
How to Remove the Power Supply Board and AC Cord148
How to Remove the Gear Block and Separation Roller148
How to Remove the Component Parts of Gear Block150
Operation Cover Section151
How to Remove the Operation Cover151
How to Remove the Operation Board, LCD, MIC Board and Document Exit Roller152
How to Remove the Separation Rubber153
Installation Position of the Lead Wires154
Maintenance156
Maintenance Items and Component Locations156
Outline156
Maintenance Check Items/Component Locations156
Gear Section158
Gear Operation158
Mechanical Movements in the Main Operations (Transmitting Documents, Receiving Faxes and Copying)160
Jams163
Recording Paper Jams163
Document Jams164
Cleaning165
Document Feeder/Scanner Glass Cleaning165
Thermal Head Cleaning166
Miscellaneous167
Terminal Guide of the Ics Transistors and Diodes167
Digital Board167
Analog Board167
Operation Board167
Power Supply Board168
Interface Board168
How to Replace the Flat Package IC169
Preparation169
Flat Package IC Removal Procedure169
Flat Package IC Installation Procedure169
Bridge Modification Procedure169
Test Chart170
ITU-T No.1 Test Chart170
ITU-T No.2 Test Chart171
Test Chart172
Schematic Diagram174
Digital Board (PCB1)174
Analog Board (PCB2)178
Operation Board (PCB3) / MIC Board (PCB7)180
Power Supply Board (PCB4)181
Interface Board (PCB5)182
Sensor Board (PCB6)182
Printed Circuit Board183
Digital Board (PCB1)183
Bottom View183
Component View184
Analog Board (PCB2)185
Bottom View185
Component View186
Operation Board (PCB3) / MIC Board (PCB7)187
Bottom View187
Component View188
Power Supply Board (PCB4)189
Interface Board (PCB5)190
Sensor Board (PCB6)191
Appendix Information of Schematic Diagram192
Exploded View and Replacement Parts List193
Cabinet, Mechanical and Electrical Parts Location193
General Section193
Operation Cover Section194
Back Cover Section195
Upper Cabinet Section197
Lower Cabinet Section198
Gear Block Section199
Screws199
Accessories and Packing Materials200
Replacement Parts List201
Cabinet and Electrical Parts201
Digital Board Parts (KX-FP365CX)202
Digital Board Parts (KX-FM388CX)204
Analog Board Parts205
Operation Board Parts206

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