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CONTENTS
SAFETY INFORMATION .....................................................................................................................................2
1. SERVICE PRECAUTIONS................................................................................................................................6
1.1 SERVICE PRECAUTIONS .........................................................................................................................6
1.2 NOTES ON SOLDERING...........................................................................................................................6
2. SPECIFICATIONS.............................................................................................................................................7
2.1 SPECIFICATIONS ......................................................................................................................................7
2.2 DISC/CONTENT FORMAT.........................................................................................................................8
2.3 PANEL FACILITIES ....................................................................................................................................8
2.4 CONNECTION DIAGRAM........................................................................................................................10
3. BASIC ITEMS FOR SERVICE ........................................................................................................................ 11
3.2 PCB LOCATIONS..................................................................................................................................... 11
3.3 JIGS LIST .................................................................................................................................................12
3.4 CLEANING ...............................................................................................................................................12
4. BLOCK BIAGRAM ..........................................................................................................................................14
5. DIAGNOSIS ....................................................................................................................................................17
5.1 OPERATIONAL FLOWCHART.................................................................................................................17
5.2 ERROR CODE LIST.................................................................................................................................18
6. SERVICE MODE.............................................................................................................................................21
6.1 TEST MODE.............................................................................................................................................21
6.2 DISPLAY TEST MODE.............................................................................................................................21
6.3 CD TEST MODE.......................................................................................................................................22
7. DISASSEMBLY ...............................................................................................................................................23
8.1 CD ADJUSTMENT ...................................................................................................................................28
8.3 PCL OUTPUT CONFIRMATION ..............................................................................................................31
9.1 PACKING..................................................................................................................................................32
9.2 EXTERIOR(1) ...........................................................................................................................................34
9.3 EXTERIOR(2) ...........................................................................................................................................36
9.4 DRIVE UNIT .............................................................................................................................................38
9.5 CD MECHANISM MODULE .....................................................................................................................40
10. SCHEMATIC DIAGRAM................................................................................................................................42
10.2 KEYBOARD UNIT ..................................................................................................................................48
10.4 WAVEFORMS.........................................................................................................................................56
11. PCB CONNECTION DIAGRAM ....................................................................................................................60
11.1 TUNER AMP UNIT .................................................................................................................................60
11.2 KEYBOARD UNIT...................................................................................................................................64
11.4 SWITCH UNIT ........................................................................................................................................68
12. ELECTRICAL PARTS LIST...........................................................................................................................69
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