Panasonic KX-F780C Manuals

Manuals and User Guides for Panasonic KX-F780C. We have 1 Panasonic KX-F780C manual available for free PDF download: Supplemental Service Manual

Panasonic KX-F780C Supplemental Service Manual (192 pages)

Brand: Panasonic | Category: Fax Machine | Size: 9.64 MB

Changes
1
Introduction
2
Safety Precautions
3
Insulation Resistance Test
3
For Service Technicians
3
Battery Caution
4
AC Caution
4
Bottom View
4
Personal Safety Precautions
5
Specifications
6
Optional Accessories
6
Location of Controls
7
Front View
7
Control Panel
7
Features
8
General
8
Connection
9
Installation
10
Installing the Handset Cradle
10
Installing the Recording Paper
11
Installing the Paper Stacker
11
Component Locations
12
Maintenance Item
12
Maintenance List
13
Maintenance Cycle
13
Cleaning the Inside of the Unit
14
Troubleshooting Guide
15
Troubleshooting Summary
16
User Recoverable Errors
19
Detail of Troubleshooting
20
Starting up Troubleshooting
20
Table of Troubleshooting Items
21
Easy-Check-List
22
ADF Section
23
No Document Feed
23
Paper JAM
24
Multiple Feed
25
Skew
26
Image Is Distorted
27
Black or White Vertical Lines Appear
28
Communication Section
33
Defective Facsimile Section
34
Communication Error Functions
41
Error Code Table
41
Countermeasure
42
Remote Programming
50
Summary of Remote Programming Mode
51
Program Mode Table
52
Digital Board Section
54
Over View
54
Check LCD on the Machine
55
Procedure from Our Experience to Fix
56
Checking Detail
58
Oscillator
59
Reset
59
Check Waveform
60
Check Soldering
66
Section of Soldering Skirt
66
How to Visual-Check the Soldering
66
Cold Soldering
67
Chip Parts
67
SMT Parts
67
Leaded Parts
67
Analog Board Section
68
Check Sheet
69
Defective ITS Section
70
Defective TAM Interface Section
71
Power Supply Section
72
Key Components for Troubleshooting
72
The Broken Parts Repairing Details
75
Operation Board Section
76
No Key Operation
76
No LCD Indication
76
Sensor Section
77
Read Section
79
Thermal Head Section
84
Programming and Lists
85
User Mode
86
Service Function Table
87
Service Mode Setting Values
90
Service Data List
90
Special Service Setting
90
Button Code Table
92
Adjustment
93
Table of Test Equipments and Tools
94
Adjusting the Feeder Pressure
94
Confirmation of Separation Spring
94
CCD Adjustments
95
Lens and CCD Read Position Adjustment
96
White Level Adjustment
97
Document Read Start Position Adjustment
97
Disassembly Instructions
100
How to Remove the Handset Cradle Cab
101
How to Remove the Operation Block
102
How to Attach the Operation Block
102
How to Remove the Operation Board and LCD
103
How to Remove the Bottom Frame
104
How to Remove the Power Supply Board and AC Inlet
105
How to Remove the Motor Block
105
How to Remove the CCD Unit
106
How to Remove the Cutter Block
107
How to Remove the Recording Paper Cover
108
How to Remove the Thermal Head Roller
109
How to Remove the Document Tray
110
How to Replace Flat Package IC
111
Circuit Operations
112
Connection Diagram
113
General Block Diagram
116
Control Section
118
Asic
118
Rom
118
Ram
118
Block Diagram
119
Reset Circuit
120
SRAM and RTC Back up Circuit
121
Supervision Circuit for Thermal Head Temperature
122
LED Array
123
Facsimile Section
123
Image Data Flow During Facsimile Operation
123
Copy
123
Thermal Head
126
CCD Scanner Timing Chart
128
Stepping Motor Drive Circuit
129
Sensors and Switches
130
Recording Paper Sensor
130
JAM Sensor
130
Cover Open Sensor
131
Read Position Sensor
131
Document Sensor
132
Analog, Digital and Operation Board
132
Modem Section
133
Facsimile Call Time Series
133
Concerning Transmission of Time
134
Facsimile Standard
134
Model Circuit Operation
139
Facsimile Transmission/Dtmf Line Send
139
Facsimile Reception
139
Call Tone Transmission
139
Explanation of Analog Section Block Diagram
140
NCU Section
142
EXT. TEL. Line Relay
142
Bell Detection Circuit
142
Pulse Dial Circuit
142
Auto Disconnect Circuit
143
Line Amplifier and Side Tone Circuits
143
TAM Interface Circuit
143
ITS and Monitor Section
144
Speaker Phone Circuit
144
Control Signal Path
144
Voice Detector
144
Handset Circuit
145
Monitor Circuit
145
TAM Interface Section
146
EXT. TAM HOOK Detection Circuit
147
CNG Signal Detection Circuit
147
Vox
147
Remote Receiving
147
Circuit Diagram
148
Operation Panel
149
Key Matrix
149
LCD COG Type
150
Switching Power Supply Section
151
Input Circuit
151
Rectifier Circuit
151
Converter Circuit
151
Control Circuit and Error Detection Circuit
152
Over Current Limiter
152
DC-DC Converter
152
Dummy Load Method
153
Printed Circuit Board
155
Schematic Diagram
157
Tools
174
Cabinet, Mechanical and Electrical Parts Location
175
Operation Panel Section
175
Upper Section
176
Lower Section
177
CCD Section
178
Actual Size of Screws and Washer
179
Accessories and Packing Materials
180
Replacement Parts List
181

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Panasonic KX-F780C Supplemental Service Manual (192 pages)

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