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SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 6
1.1 NOTES ON SOLDERING ............................................................................................................................................... 6
1.2 IMPOTANT SERVICE NOTICE....................................................................................................................................... 6
2. SPECIFICATIONS................................................................................................................................................................. 7
2.1 SPECIFICATIONS .......................................................................................................................................................... 7
2.2 DISC/CONTENT FORMAT ............................................................................................................................................. 8
2.3 PANEL FACILITIES....................................................................................................................................................... 13
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................ 15
3.1 CHECK POINTS AFTER SERVICING ......................................................................................................................... 15
3.2 PCB LOCATIONS ......................................................................................................................................................... 16
3.3 JIGS LIST ..................................................................................................................................................................... 17
4. BLOCK DIAGRAM .............................................................................................................................................................. 18
4.1 OVERALL WIRING DIAGRAM ..................................................................................................................................... 18
4.2 OVERALL BLOCK DIAGRAM....................................................................................................................................... 20
4.3 POWER SUPPLY BLOCK DIAGRAM........................................................................................................................... 22
5. DIAGNOSIS ........................................................................................................................................................................ 24
5.1 DIAGNOSIS FLOWCHART .......................................................................................................................................... 24
5.2 TROUBLESHOOTING.................................................................................................................................................. 25
6. SERVICE MODE ................................................................................................................................................................. 29
6.1 INFORMATION SCREEN DISPLAY AND THE FACTORY DEFAULT SETTINGS ....................................................... 29
6.2 MEASUREMENT OF ERROR RATES ......................................................................................................................... 30
7. DISASSEMBLY ................................................................................................................................................................... 32
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 38
8.1 NECESSARY ITEMS TO BE NOTED........................................................................................................................... 38
8.2 UPDATING OF THE FIRMWARE ................................................................................................................................. 38
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 40
9.1 PACKING SECTION ..................................................................................................................................................... 40
9.2 EXTERIOR SECTION .................................................................................................................................................. 42
9.3 FRONT PANEL SECTION ............................................................................................................................................ 44
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 46
10.1 MAIN PWB-S (1/6)...................................................................................................................................................... 46
10.2 MAIN PWB-S (2/6)...................................................................................................................................................... 48
10.3 MAIN PWB-S (3/6)...................................................................................................................................................... 50
10.4 MAIN PWB-S (4/6)...................................................................................................................................................... 52
10.5 MAIN PWS-S (5/6)...................................................................................................................................................... 54
10.6 MAIN PWB-S (6/6)...................................................................................................................................................... 56
10.7 FLKB PWB-S .............................................................................................................................................................. 58
10.8 MTFB and USBB ASSYS ........................................................................................................................................... 60
10.9 LEDB ASSY................................................................................................................................................................ 61
10.10 KEYB and 232C ASSYS........................................................................................................................................... 62
10.11 POWER ASSY (POWER PWB-S) ............................................................................................................................ 64
10.12 BRIDGE ASSY ......................................................................................................................................................... 66
11. PCB CONNECTION DIAGRAM ........................................................................................................................................ 68
11.1 MAIN PWB-S .............................................................................................................................................................. 68
11.2 FLKB PWB-S .............................................................................................................................................................. 76
11.3 MTFB and USBB ASSYS ........................................................................................................................................... 78
11.4 LEDB, KEYB and 232C ASSYS ................................................................................................................................. 80
11.5 POWER ASSY (POWER PWB-S) .............................................................................................................................. 82
12. PCB PARTS LIST .............................................................................................................................................................. 84
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