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XW-NAC3-K
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
1.1 NOTES ON SOLDERING ...............................................................................................................................................5
2. SPECIFICATIONS .................................................................................................................................................................6
2.1 SPECIFICATIONS...........................................................................................................................................................6
2.2 PANEL FACILITIES .........................................................................................................................................................7
3. BASIC ITEMS FOR SERVICE...............................................................................................................................................9
3.1 CHECK POINTS AFTER SERVICING............................................................................................................................9
3.2 PCB LOCATIONS .........................................................................................................................................................10
3.3 JIGS LIST......................................................................................................................................................................11
4. BLOCK DIAGRAM ...............................................................................................................................................................12
4.1 OVERALL WIRING DIAGRAM......................................................................................................................................12
4.2 OVERALL BLOCK DIAGRAM .......................................................................................................................................14
5. DIAGNOSIS .........................................................................................................................................................................16
5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................16
5.2 NETWORK ASSY TROUBLESHOOTING ....................................................................................................................17
5.3 ADAPTER PORT TROUBLESHOOTING......................................................................................................................23
5.4 BT ADAPTER TROUBLESHOOTING...........................................................................................................................24
5.5 iPod TROUBLESHOOTING ..........................................................................................................................................26
5.6 ERROR INDICATIONS AND PROTECTION CIRCUITS...............................................................................................27
6. SERVICE MODE .................................................................................................................................................................29
6.1 SERVICE TEST MODE.................................................................................................................................................29
7. DISASSEMBLY ....................................................................................................................................................................32
. EACH SETTING AND ADJUSTMENT ................................................................................................................................37
.1 DISPLAY OF MICROCOMPUTER SOFTWARE VERSIONS .......................................................................................37
.2 FIRMWARE UPDATE METHOD ...................................................................................................................................3
9. EXPLODED VIEWS AND PARTS LIST ...............................................................................................................................40
9.1 PACKING SECTION......................................................................................................................................................40
9.2 EXTERIOR SECION .....................................................................................................................................................42
10. SCHEMATIC DIAGRAM ....................................................................................................................................................46
10.1 DOCK and BLUETOOTH PCB ASSYS.......................................................................................................................46
10.2 MAIN PCB ASSY (1/
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)................................................................................................................................................50
)................................................................................................................................................52
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)................................................................................................................................................5
)................................................................................................................................................60
)................................................................................................................................................62
10.10 DISPLAY and OPERATION PCB ASSYS .................................................................................................................64
10.11 POWER PCB ASSY..................................................................................................................................................66
10.12 NETWORK ASSY .....................................................................................................................................................6
10.13 BLUETOOTH ADAPTER...........................................................................................................................................70
11. PCB CONNECTION DIAGRAM ........................................................................................................................................72
11.1 DOCK and BLUETOOTH PCB ASSYS.......................................................................................................................72
11.2 MAIN PCB ASSY ........................................................................................................................................................74
11.3 DISPLAY and OPERATION PCB ASSYS ...................................................................................................................76
11.4 POWER PCB ASSY....................................................................................................................................................7
11.5 NETWORK ASSY .......................................................................................................................................................
12. PCB PARTS LIST ..............................................................................................................................................................
13. IC INFORMATION .............................................................................................................................................................
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
