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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 ....................................................................................................................................9
2.4 CONNECTION DIAGRAM........................................................................................................................12
3. BASIC ITEMS FOR SERVICE ........................................................................................................................13
3.2 PCB LOCATION .......................................................................................................................................13
3.3 JIGS LIST .................................................................................................................................................14
4. BLOCK DIAGRAM ..........................................................................................................................................16
5. DIAGNOSIS ....................................................................................................................................................19
5.1 OPERATIONAL FLOWCHART.................................................................................................................19
5.2 ERROR CODE LIST.................................................................................................................................20
6. SERVICE MODE.............................................................................................................................................23
6.1 CD TEST MODE.......................................................................................................................................23
7. DISASSEMBLY ...............................................................................................................................................25
8.1 CD ADJUSTMENT ...................................................................................................................................30
8.3 PCL OUTPUT CONFIRMATION ..............................................................................................................33
9.1 PACKING..................................................................................................................................................34
9.2 EXTERIOR(1) ...........................................................................................................................................36
9.3 EXTERIOR(2) ...........................................................................................................................................38
9.4 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 PANEL UNIT ...........................................................................................................................................68
12. ELECTRICAL PARTS LIST...........................................................................................................................69
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