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CONTENTS
SAFETY INFORMATION .....................................................................................................................................2
1. SERVICE PRECAUTIONS................................................................................................................................6
1.1 SERVICE PRECAUTIONS .........................................................................................................................6
1.2 NOTES ON SOLDERING ...........................................................................................................................7
2. SPECIFICATIONS.............................................................................................................................................8
2.1 SPECIFICATIONS ......................................................................................................................................8
2.2 DISC/CONTENT FORMAT .........................................................................................................................8
2.3 PANEL FACILITIES.....................................................................................................................................9
2.4 CONNECTION DIAGRAM........................................................................................................................10
3. BASIC ITEMS FOR SERVICE ........................................................................................................................11
3.2 PCB LOCATIONS .....................................................................................................................................12
3.3 JIGS LIST .................................................................................................................................................13
3.4 CLEANING ...............................................................................................................................................13
4. BLOCK DIAGRAM ..........................................................................................................................................14
4.1 BLOCK DIAGRAM....................................................................................................................................14
5. DIAGNOSIS ....................................................................................................................................................16
5.1 OPERATIONAL FLOWCHART .................................................................................................................16
5.2 ERROR CODE LIST.................................................................................................................................17
6. SERVICE MODE.............................................................................................................................................20
6.1 DISPLAY TEST MODE .............................................................................................................................20
6.2 CD TEST MODE.......................................................................................................................................21
7. DISASSEMBLY ...............................................................................................................................................22
8.1 CD ADJUSTMENT ...................................................................................................................................28
8.3 PCL OUTPUT CONFIRMATION...............................................................................................................31
9.1 PACKING ..................................................................................................................................................32
9.2 EXTERIOR ...............................................................................................................................................34
9.3 CD MECHANISM MODULE .....................................................................................................................36
10. SCHEMATIC DIAGRAM................................................................................................................................38
10.2 KEYBOARD UNIT ..................................................................................................................................44
10.4 WAVEFORMS.........................................................................................................................................48
11. PCB CONNECTION DIAGRAM ....................................................................................................................50
11.1 TUNER AMP UNIT .................................................................................................................................50
11.2 KEYBOARD UNIT ..................................................................................................................................54
12. ELECTRICAL PARTS LIST ...........................................................................................................................58
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DEH-2350UB/XNES
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