5
CONTENTS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 4
1.1 NOTES ON SOLDERING ............................................................................................................................................... 4
1.2 WHEN REPLACING MECHA ASSY............................................................................................................................... 4
2. SPECIFICATIONS................................................................................................................................................................. 5
3. BASIC ITEMS FOR SERVICE .............................................................................................................................................. 6
3.2 JIGS LIST ....................................................................................................................................................................... 6
3.3 PCB LOCATIONS ........................................................................................................................................................... 7
4. BLOCK DIAGRAM ................................................................................................................................................................ 8
4.1 OVERALL WIRING DIAGRAM ....................................................................................................................................... 8
4.2 OVERALL BLOCK DIAGRAM....................................................................................................................................... 10
4.3 POWER BLOCK DIAGRAM ......................................................................................................................................... 12
5. DIAGNOSIS ........................................................................................................................................................................ 13
5.1 TROUBLESHOOTING.................................................................................................................................................. 13
5.3 IC INFORMATION ........................................................................................................................................................ 16
6. SERVICE MODE ................................................................................................................................................................. 28
6.1 TEST MODE................................................................................................................................................................. 28
7. DISASSEMBLY ................................................................................................................................................................... 30
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 34
8.1 HOW TO UPDATE THE FIRMWARE............................................................................................................................ 34
8.2 DEFAULT SETTING...................................................................................................................................................... 34
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 36
9.1 PACKING SECTION ..................................................................................................................................................... 36
9.2 EXTERIOR SECTION .................................................................................................................................................. 38
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 42
10.1 MAIN PCB ASSY (1/8) ............................................................................................................................................... 42
10.2 MAIN PCB ASSY (2/8) ............................................................................................................................................... 44
10.3 MAIN PCB ASSY (3/8) ............................................................................................................................................... 46
10.4 MAIN PCB ASSY (4/8) ............................................................................................................................................... 48
10.7 MAIN PCB ASSY (6/8) ............................................................................................................................................... 54
10.8 MAIN PCB ASSY (7/8) ............................................................................................................................................... 56
10.9 MAIN PCB ASSY (8/8) ............................................................................................................................................... 58
10.10 AUDIO PCB ASSY (1/2) ........................................................................................................................................... 60
10.11 AUDIO PCB ASSY (2/2) ........................................................................................................................................... 62
10.15 WAVEFORMS........................................................................................................................................................... 70
11. PCB CONNECTION DIAGRAM ........................................................................................................................................ 71
11.1 AUDIO PCB ASSY...................................................................................................................................................... 71
11.2 MAIN PCB ASSY........................................................................................................................................................ 72
12. PCB PARTS LIST .............................................................................................................................................................. 80
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PD-30-K
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