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CONTENTS
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1. SERVICE PRECAUTIONS ....................................................................................................................................................6
1.1 NOTES ON SOLDERING ...............................................................................................................................................6
1.2 ABOUT BONNET............................................................................................................................................................6
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2. SPECIFICATIONS .................................................................................................................................................................8
2.1 SPECIFICATIONS...........................................................................................................................................................8
2.2 PLAYABLE FILE FORMATS............................................................................................................................................9
2.3 PANEL FACILITIES .......................................................................................................................................................11
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................14
3.2 PCB LOCATIONS .........................................................................................................................................................15
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3.3 JIGS LIST......................................................................................................................................................................16
3.4 CONTENTS FOR SERVICE .........................................................................................................................................16
4. BLOCK DIAGRAM...............................................................................................................................................................18
4.1 OVERALL WIRING DIAGRAM......................................................................................................................................18
4.2 SIGNAL BLOCK DIAGRAM ..........................................................................................................................................20
4.3 POWER SUPPLY BLOCK DIAGRAM ...........................................................................................................................22
5. DIAGNOSIS.........................................................................................................................................................................24
5.1 POWER ON SEQUENCE .............................................................................................................................................24
5.2 RESET SEQUENCE .....................................................................................................................................................25
5.3 TROUBLESHOOTING ..................................................................................................................................................26
5.4 ERROR SPECIFICATIONS...........................................................................................................................................32
6. SERVICE MODE .................................................................................................................................................................36
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6.1 SERVICE SCREEN.......................................................................................................................................................36
6.2 INITIALIZATION ............................................................................................................................................................43
6.3 MEMORY CHECK.........................................................................................................................................................44
6.4 ABOUT THE DEVICE ...................................................................................................................................................46
7. DISASSEMBLY....................................................................................................................................................................47
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................50
8.1 NECESSARY SETTING ITEMS....................................................................................................................................50
8.2 REWRITING THE SERIAL NUMBER ...........................................................................................................................50
8.3 UPDATING OF THE FIRMWARE..................................................................................................................................51
9. EXPLODED VIEWS AND PARTS LIST ...............................................................................................................................54
9.1 PACKING SECTION......................................................................................................................................................54
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9.2 EXTERIOR SECTION...................................................................................................................................................56
9.3 FRONT PANEL SECTION.............................................................................................................................................58
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