Read Panasonic KX-FT74RU-B Service Manual online
KX-FT74RU-B
Black Version
(for Russia)
Personal Facsimile
ORDER NO. KMF0207606C3
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
74
2.5.
TEST FUNCTIONS
81
3
DISASSEMBLY INSTRUCTIONS
83
3.1.
HOW TO REMOVE THE BOTTOM FRAME
83
3.2.
HOW TO REMOVE THE OPERATION PANEL BLOCK
84
3.3.
HOW TO REMOVE THE OPERATION BOARD AND LCD
85
3.4.
HOW TO REMOVE THE DIGITAL, ANALOG AND
POWER SUPPLY BOARD AND AC INLET
86
3.5.
HOW TO REMOVE THE HANDSET CRADLE CABINET
AND SPEAKER
87
3.6.
HOW TO REMOVE THE MOTOR BLOCK
88
3.7.
HOW TO REMOVE THE ROLLERS
90
3.8.
HOW TO REMOVE THE IMAGE SENSOR
91
3.9.
HOW TO REMOVE THE THERMAL HEAD AND CUTTER
UNIT
92
3.10. HOW TO REMOVE THE DOCUMENT TRAY
93
3.11. INSTALLATION POSITION OF THE LEAD WIRES
94
3.12. INSTALLATION OF THERMAL HEAD AND ANALOG
BOARD
95
4
HOW TO REPLACE THE FLAT PACKAGE IC
96
4.1.
PREPARATION
96
4.2.
FLAT PACKAGE IC REMOVAL PROCEDURE
96
4.3.
FLAT PACKAGE IC INSTALLATION PROCEDURE
97
4.4.
BRIDGE MODIFICATION PROCEDURE
97
5
CIRCUIT OPERATIONS
98
5.1.
CONNECTION DIAGRAM
98
5.2.
GENERAL BLOCK DIAGRAM
99
5.3.
CONTROL SECTION
101
5.4.
FACSIMILE SECTION
108
5.5.
SENSORS AND SWITCHES
118
5.6.
MODEM SECTION
122
5.7.
ANALOG UNIT BLOCK DIAGRAM
129
5.8.
NCU SECTION
130
5.9.
ITS (INTEGRATED TELEPHONE SYSTEM) AND
MONITOR SECTION
132
5.10. ATAS (AUTOMATIC TELEPHONE ANSWERING
SYSTEM) SECTION
132
5.11. OPERATION BOARD SECTION
134
5.12. LCD SECTION
135
5.13. POWER SUPPLY BOARD SECTION
136
6
TERMINAL GUIDE OF THE IC´S TRANSISTORS AND DIODES
139
7
FIXTURES AND TOOLS
140
8
CABINET, MECHANICAL AND ELECTRICAL PARTS
LOCATION
141
8.1.
OPERATION PANEL SECTION
141
8.2.
UPPER CABINET SECTION
142
8.3.
LOWER CABINET/P.C.B. SECTION
143
8.4.
MOTOR SECTION
144
8.5.
ACTUAL SIZE OF SCREWS AND WASHER
145
9
ACCESSORIES AND PACKING MATERIALS
146
10 REPLACEMENT PARTS LIST
147
10.1. CABINET AND ELECTRICAL PARTS
147
10.2. UPPER CABINET/THERMAL HEAD SECTION
147
10.3. DIGITAL BOARD PARTS
148
10.4. ANALOG BOARD PARTS
150
10.5. OPERATION BOARD PARTS
151
10.6. POWER SUPPLY BOARD PARTS
152
10.7. FIXTURES AND TOOLS
152
11 PRINTED CIRCUIT BOARD
153
11.1. DIGITAL BOARD: COMPONENT VIEW
153
11.2. DIGITAL BOARD: BOTTOM VIEW
154
11.3. ANALOG BOARD: COMPONENT VIEW
155
11.4. ANALOG BOARD: BOTTOM VIEW
156
11.5. OPERATION BOARD
157
11.6. POWER SUPPLY BOARD
158
12 FOR THE SCHEMATIC DIAGRAMS
159
13 SCHEMATIC DIAGRAM
160
13.1. DIGITAL BOARD
160
13.2. ANALOG BOARD
162
13.3. OPERATION BOARD
163
13.4. POWER SUPPLY BOARD
164
CONTENTS
Page
Page
2
KX-FT74RU-B
1 INTRODUCTION
1.1. LCD MESSAGE
3
KX-FT74RU-B
1.2. ERROR CODE TABLE
4
KX-FT74RU-B
