CONTENTS
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1 INTRODUCTION | 3 | 6.10. EXT. TEL | 133 |
1.1. SAFETY PRECAUTIONS | 3 | 6.11. OPERATION PANEL | 135 |
1.2. INSULATION RESISTANCE TEST | 3 | 6.12. POWER SUPPLY BOARD SECTION | 137 |
1.3. FOR SERVICE TECHNICIANS | 3 | 7 FOR THE SCHEMATIC DIAGRAMS | 140 |
1.4. BATTERY CAUTION | 3 | 8 PRINTED CIRCUIT BOARD | 141 |
1.5. AC CAUTION | 4 | 8.1. PRINTED CIRCUIT BOARD (DIGITAL BOARD): |
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1.6. PERSONAL SAFETY PRECAUTIONS | 5 | COMPONENT VIEW | 141 |
1.7. FEATURES | 6 | 8.2. PRINTED CIRCUIT BOARD (DIGITAL BOARD): BOTTOM | |
1.8. SPECIFICATIONS | 7 | VIEW | 142 |
1.9. OPTIONAL ACCESSORIES | 7 | 8.3. PRINTED CIRCUIT BOARD (ANALOG BOARD): |
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1.10. CCITT No. 1 TEST CHART | 8 | COMPONENT VIEW | 143 |
1.11. LOCATION OF CONTROLS | 9 | 8.4. PRINTED CIRCUIT BOARD (ANALOG BOARD): |
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1.12. CONNECTIONS | 10 | BOTTOM VIEW | 144 |
1.13. INSTALLATION | 11 | 8.5. PRINTED CIRCUIT BOARD (SWITCHING POWER |
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1.14. MAINTENANCE ITEMS AND COMPONENT LOCATIONS | SUPPLY) | 145 | |
| 14 | 8.6. PRINTED CIRCUIT BOARD (OPERATION BOARD) | 146 |
2 TROUBLESHOOTING GUIDE | 18 | 9 SCHEMATIC DIAGRAM | 147 |
2.1. TROUBLESHOOTING SUMMARY | 18 | 9.1. SCHEMATIC DIAGRAM (DIGITAL CIRCUIT) | 147 |
2.2. USER RECOVERABLE ERRORS | 19 | 9.2. SCHEMATIC DIAGRAM (ANALOG CIRCUIT) | 148 |
2.3. TROUBLESHOOTING DETAILS | 21 | 9.3. SCHEMATIC DIAGRAM (SWITCHING POWER SUPPLY) | |
2.4. PROGRAMMING AND LISTS | 74 |
| 149 |
2.5. TEST FUNCTIONS | 79 | 9.4. SCHEMATIC DIAGRAM (OPERATION CIRCUIT) | 150 |
2.6. JOURNAL 3 | 81 | 10 TERMINAL GUIDE OF THE IC·S TRANSISTORS AND DIODES | |
3 ADJUSTMENTS | 83 |
| 151 |
3.1. ADJUSTING THE FEED PRESSURE | 83 | 11 FIXTURES AND TOOLS | 152 |
4 DISASSEMBLY INSTRUCTIONS | 84 | 12 CABINET, MECHANICAL AND ELECTRICAL PARTS |
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5 HOW TO REPLACE THE FLAT PACKAGE IC | 95 | LOCATION | 153 |
5.1. PREPARATION | 95 | 12.1. OPERATION PANEL SECTION | 153 |
5.2. FLAT PACKAGE IC REMOVAL PROCEDURE | 95 | 12.2. UPPER CABINET SECTION | 154 |
5.3. FLAT PACKAGE IC INSTALLATION PROCEDURE | 96 | 12.3. LOWER CABINET/P.C.B. SECTION | 155 |
5.4. BRIDGE MODIFICATION PROCEDURE | 96 | 12.4. MOTOR SECTION | 156 |
6 CIRCUIT OPERATIONS | 97 | 12.5. ACTUAL SIZE OF SCREWS AND WASHER | 157 |
6.1. CONNECTION DIAGRAM | 97 | 13 ACCESSORIES AND PACKING MATERIALS | 158 |
6.2. GENERAL BLOCK DIAGRAM | 98 | 14 REPLACEMENT PARTS LIST | 159 |
6.3. CONTROL SECTION | 100 | 14.1. CABINET AND ELECTRICAL PARTS | 159 |
6.4. FACSIMILE SECTION | 109 | 14.2. DIGITAL BOARD PARTS | 160 |
6.5. SENSORS AND SWITCHES | 119 | 14.3. ANALOG BOARD PARTS | 162 |
6.6. MODEM SECTION | 122 | 14.4. OPERATION BOARD PARTS | 164 |
6.7. Analog Unit Block Diagram | 129 | 14.5. POWER SUPPLY BOARD PARTS | 165 |
6.8. NCU SECTION | 130 | 14.6. FIXTURES AND TOOLS | 166 |
6.9. ITS (Integrated telephone System) and MONITOR |
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SECTION | 132 |
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