1 INTRODUCTION 3
1.1. ABOUT LEAD FREE SOLDER (PbF: Pb free) 3
1.2. SAFETY PRECAUTIONS 5
1.3. INSULATION RESISTANCE TEST 5
1.4. FOR SERVICE TECHNICIANS 5
1.5. BATTERY CAUTION 5
1.6. AC CAUTION 6
1.7. PERSONAL SAFETY PRECAUTIONS 6
1.8. SERVICE PRECAUTIONS 7
2 FEATURES AND SPECIFICATIONS 8
2.1. FEATURES 8
2.2. OPTIONAL ACCESSORIES 8
2.3. SPECIFICATIONS 9
3 INSTALLATION 10
3.1. LOCATION OF CONTROLS 10
3.2. CONNECTIONS 12
3.3. INSTALLATION 13
4 MAINTENANCE 18
4.1. MAINTENANCE ITEMS AND COMPONENT LOCATIONS
18
4.2. JAMS 20
4.3. CLEANING 21
5 DISASSEMBLY INSTRUCTIONS 23
5.1. DISASSEMBLY FLOW CHART 23
6 DISASSEMBLY INSTRUCTIONS 25
6.1. HOW TO REMOVE PAPER STACKER 25
6.2. HOW TO REMOVE THE OPERATION PANEL BLOCK
26
6.3. HOW TO REMOVE THE OPERATION BOARD AND LCD
27
6.4. HOW TO REMOVE THE IMAGE SENSOR 28
6.5. HOW TO REMOVE THE THERMAL HEAD AND CUTTER
UNIT 29
6.6. HOW TO REMOVE THE DOCUMENT TRAY 30
6.7. HOW TO REMOVE THE BOTTOM FRAME 31
6.8. HOW TO REMOVE THE HANDSET CRADLE CABINET
AND SPEAKER 32
6.9. HOW TO REMOVE THE DIGITAL, ANALOG AND
POWER SUPPLY BOARD AND AC INLET 33
6.10. HOW TO REMOVE THE ROLLERS 34
6.11. HOW TO REMOVE THE MOTOR BLOCK 35
6.12. INSTALLATION POSITION OF THE LEAD WIRES 38
6.13. INSTALLATION OF THERMAL HEAD 39
7 TROUBLESHOOTING GUIDE 40
7.1. TROUBLESHOOTING SUMMARY 40
7.2. USER RECOVERABLE ERRORS 41
7.3. PROGRAMMING AND LISTS 42
7.4. TEST FUNCTIONS 45
7.5. TROUBLESHOOTING DETAILS 52
8 CIRCUIT OPERATIONS 103
8.1. CONNECTION DIAGRAM 103
8.2. GENERAL BLOCK DIAGRAM 104
8.3. CONTROL SECTION 106
8.4. FACSIMILE SECTION 113
8.5. SENSORS AND SWITCHES 123
8.6. MODEM SECTION 127
8.7. ANALOG UNIT BLOCK DIAGRAM 134
8.8. NCU SECTION 135
8.9. ITS (INTEGRATED TELEPHONE SYSTEM) AND
MONITOR SECTION 137
8.10. ATAS (AUTOMATIC TELEPHONE ANSWERING
SYSTEM) SECTION 137
8.11. OPERATION BOARD SECTION 139
8.12. LCD SECTION 140
8.13. POWER SUPPLY BOARD SECTION 141
9 REFERENCE MATERIAL DATA 144
9.1. TERMINAL GUIDE OF THE ICs TRANSISTORS AND
DIODES 144
9.2. HOW TO REPLACE THE FLAT PACKAGE IC 145
9.3. TEST CHART 149
10 FIXTURES AND TOOLS 151
11 CABINET, MECHANICAL 152
11.1. OPERATION PANEL SECTION 152
11.2. UPPER CABINET SECTION 153
11.3. LOWER CABINET 154
11.4. MOTOR SECTION 155
11.5. ACTUAL SIZE OF SCREWS 156
12 ACCESSORIES AND PACKING MATERIALS 157
13 REPLACEMENT PARTS LIST 158
13.1. CABINET AND ELECTRICAL PARTS 158
13.2. DIGITAL BOARD PARTS 159
13.3. ANALOG BOARD PARTS 161
13.4. OPERATION BOARD PARTS 162
13.5. POWER SUPPLY BOARD PARTS 163
13.6. FIXTURES AND TOOLS 164
14 PRINTED CIRCUIT BOARD 165
14.1. DIGITAL BOARD (PCB1) 165
14.2. ANALOG BOARD (PCB2) 167
14.3. OPERATION BOARD (PCB3) 169
14.4. POWER SUPPLY BOARD (PCB4) 171
15 FOR THE SCHEMATIC DIAGRAMS 172
16 MEMO 173
17 SCHEMATIC DIAGRAM 174
17.1. DIGITAL BOARD (PCB1) 174
17.2. ANALOG BOARD (PCB2) 176
17.3. OPERATION BOARD (PCB3) 178
17.4. POWER SUPPLY BOARD (PCB4) 179
CONTENTS
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KX-FT907BX-B / KX-FT907BX-W