Read Panasonic KX-FT78RU-B / KX-FT78RU-W Service Manual online
KX-FT78RU-B
KX-FT78RU-W
KX-FT78RU-W
Black Version
White Version
(for Russia)
Facsimile with Digital Answering System
ORDER NO. KMF0207602C3
1
INTRODUCTION
3
1.1.
LCD MESSAGE
3
1.2.
ERROR CODE TABLE
4
1.3.
SAFETY PRECAUTIONS
5
1.4.
INSULATION RESISTANCE TEST
5
1.5.
FOR SERVICE TECHNICIANS
5
1.6.
BATTERY CAUTION
5
1.7.
AC CAUTION
6
1.8.
PERSONAL SAFETY PRECAUTIONS
6
1.9.
FEATURES
7
1.10. SPECIFICATIONS
8
1.11. OPTIONAL ACCESSORIES
8
1.12. ITU-T NO. 1 TEST CHART
9
1.13. LOCATION OF CONTROLS
11
1.14. CONNECTIONS
13
1.15. INSTALLATION
14
1.16. MAINTENANCE ITEMS AND COMPONENT LOCATIONS
19
2
TROUBLESHOOTING GUIDE
22
2.1.
TROUBLESHOOTING SUMMARY
22
2.2.
USER RECOVERABLE ERRORS
23
2.3.
TROUBLESHOOTING DETAILS
26
2.4.
PROGRAMMING AND LISTS
77
2.5.
TEST FUNCTIONS
84
3
DISASSEMBLY INSTRUCTIONS
86
3.1.
HOW TO REMOVE THE BOTTOM FRAME
86
3.2.
HOW TO REMOVE THE OPERATION PANEL BLOCK
87
3.3.
HOW TO REMOVE THE OPERATION BOARD AND LCD
88
3.4.
HOW TO REMOVE THE DIGITAL, ANALOG AND
POWER SUPPLY BOARD AND AC INLET
89
3.5.
HOW TO REMOVE THE HANDSET CRADLE CABINET
AND SPEAKER
90
3.6.
HOW TO REMOVE THE MOTOR BLOCK
91
3.7.
HOW TO REMOVE THE ROLLERS
93
3.8.
HOW TO REMOVE THE IMAGE SENSOR
94
3.9.
HOW TO REMOVE THE THERMAL HEAD AND CUTTER
UNIT
95
3.10. HOW TO REMOVE THE DOCUMENT TRAY
96
3.11. INSTALLATION POSITION OF THE LEAD WIRES
97
3.12. INSTALLATION OF THERMAL HEAD AND ANALOG
BOARD
98
4
HOW TO REPLACE THE FLAT PACKAGE IC
99
4.1.
PREPARATION
99
4.2.
FLAT PACKAGE IC REMOVAL PROCEDURE
99
4.3.
FLAT PACKAGE IC INSTALLATION PROCEDURE 100
4.4.
BRIDGE MODIFICATION PROCEDURE
100
5
CIRCUIT OPERATIONS
101
5.1.
CONNECTION DIAGRAM
101
5.2.
GENERAL BLOCK DIAGRAM
102
5.3.
CONTROL SECTION
104
5.4.
FACSIMILE SECTION
111
5.5.
SENSORS AND SWITCHES
121
5.6.
MODEM SECTION
125
5.7.
ANALOG UNIT BLOCK DIAGRAM
132
5.8.
NCU SECTION
133
5.9.
ITS (INTEGRATED TELEPHONE SYSTEM) AND
MONITOR SECTION
135
5.10. ATAS (AUTOMATIC TELEPHONE ANSWERING
SYSTEM) SECTION
135
5.11. OPERATION BOARD SECTION
137
5.12. LCD SECTION
138
5.13. POWER SUPPLY BOARD SECTION
139
6
TERMINAL GUIDE OF THE IC S TRANSISTORS AND DIODES
142
7
FIXTURES AND TOOLS
143
8
CABINET, MECHANICAL AND ELECTRICAL PARTS
LOCATION
144
8.1.
OPERATION PANEL SECTION
144
8.2.
UPPER CABINET SECTION
145
8.3.
LOWER CABINET/P.C.B. SECTION
146
8.4.
MOTOR SECTION
147
8.5.
ACTUAL SIZE OF SCREWS AND WASHER
148
9
ACCESSORIES AND PACKING MATERIALS
149
10 REPLACEMENT PARTS LIST
150
10.1. CABINET AND ELECTRICAL PARTS
150
10.2. UPPER CABINET/THERMAL HEAD SECTION
150
10.3. DIGITAL BOARD PARTS
151
10.4. ANALOG BOARD PARTS
154
10.5. OPERATION BOARD PARTS
155
10.6. POWER SUPPLY BOARD PARTS
155
10.7. FIXTURES AND TOOLS
156
11 PRINTED CIRCUIT BOARD
157
11.1. DIGITAL BOARD: COMPONENT VIEW
157
11.2. DIGITAL BOARD: BOTTOM VIEW
158
11.3. ANALOG BOARD: COMPONENT VIEW
159
11.4. ANALOG BOARD: BOTTOM VIEW
160
11.5. OPERATION BOARD
161
11.6. POWER SUPPLY BOARD
162
12 FOR THE SCHEMATIC DIAGRAMS
163
13 SCHEMATIC DIAGRAM
164
13.1. DIGITAL BOARD
164
13.2. ANALOG BOARD
166
13.3. OPERATION BOARD
167
13.4. POWER SUPPLY BOARD
168
CONTENTS
Page
Page
2
KX-FT78RU-B / KX-FT78RU-W
1 INTRODUCTION
1.1. LCD MESSAGE
3
KX-FT78RU-B / KX-FT78RU-W
1.2. ERROR CODE TABLE
4
KX-FT78RU-B / KX-FT78RU-W
