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XW-NAV1-K
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
1.1 NOTES ON SOLDERING ...............................................................................................................................................5
1.2 WHEN REPLACING LOADER UNIT ..............................................................................................................................5
2. SPECIFICATIONS .................................................................................................................................................................6
2.1 SPECIFICATIONS...........................................................................................................................................................6
2.2 PLAYBLE DISCS AND FILES .........................................................................................................................................7
2.3 PANEL FACILITIES .......................................................................................................................................................10
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................13
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................13
3.2 JIGS LIST......................................................................................................................................................................14
3.3 PCB LOCATIONS .........................................................................................................................................................15
4. BLOCK DIAGRAM ...............................................................................................................................................................16
4.1 OVERALL WIRING DIAGRAM......................................................................................................................................16
4.2 OVERALL BLOCK DIAGRAM .......................................................................................................................................1
4.3 SIGNAL BLOCK DIAGRAM ..........................................................................................................................................20
4.4 POWER SUPPLY BLOCK DIAGRAM ...........................................................................................................................22
5. DIAGNOSIS .........................................................................................................................................................................23
5.1 POWER ON SEQUENCE .............................................................................................................................................23
5.2 TROUBLESHOOTING ..................................................................................................................................................24
5.3 DIAGNOSIS OF PICKUP ASSY ...................................................................................................................................27
5.4 PROTECTION CIRCUIT ...............................................................................................................................................2
6. SERVICE MODE .................................................................................................................................................................32
6.1 HOW TO ENTER SERVICE MODE ..............................................................................................................................32
6.2 SERVICE MODE OUTLINE ..........................................................................................................................................33
6.3 DISPLAY SPECIFICATION OF SERVICE MODE.........................................................................................................34
6.4 FUNCTIONAL SPECIFICATION OF THE SHORTCUT KEY........................................................................................35
6.5 FUNCTIONAL SPECIFICATION OF SERVICE MODE.................................................................................................36
7. DISASSEMBLY ....................................................................................................................................................................37
. EACH SETTING AND ADJUSTMENT ................................................................................................................................42
.1 UPDATING OF THE FIRMWARE..................................................................................................................................42
9. EXPLODED VIEWS AND PARTS LIST ...............................................................................................................................44
9.1 PACKING SECTION......................................................................................................................................................44
9.2 EXTERIOR SECTION...................................................................................................................................................46
10. SCHEMATIC DIAGRAM ....................................................................................................................................................50
10.1 TUNER, REAR JACK and DOCK ASSYS ..................................................................................................................50
10.2 MAIN ASSY (1/10) ......................................................................................................................................................52
10.3 MAIN ASSY (2/10) ......................................................................................................................................................54
10.4 MAIN ASSY (3/10) ......................................................................................................................................................56
10.5 MAIN ASSY (4/10) ......................................................................................................................................................5
10.6 MAIN ASSY (5/10) ......................................................................................................................................................60
10.7 MAIN ASSY (6/10) ......................................................................................................................................................62
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MAIN ASSY (7/10) ......................................................................................................................................................64
/10) ......................................................................................................................................................66
10.10 MAIN ASSY (9/10) ....................................................................................................................................................6
10.11 MAIN ASSY (10/10) ..................................................................................................................................................70
10.12 DISPLAY ASSY.........................................................................................................................................................72
10.13 OPERATION and OPERATION 2 ASSYS.................................................................................................................74
10.14 POWER and AC INLET ASSYS................................................................................................................................76
10.15 WAVEFORMS ...........................................................................................................................................................7
11. PCB CONNECTION DIAGRAM ........................................................................................................................................
11.1 TUNER, REAR JACK, DOCK and MAIN ASSYS .......................................................................................................
11.2 DISPLAY, OPERATION and OPERATION 2 ASSYS ..................................................................................................
11.3 POWER and AC INLET ASSYS..................................................................................................................................
12. PCB PARTS LIST ..............................................................................................................................................................
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
