3
TABLE OF CONTENTS
1. SERVICE NOTE
................................................................. 4
2. GENERAL
Locating the controls ............................................................... 5
3. DISASSEMBLY
3-1. Upper Lid Assy ................................................................... 7
3-2. Cabinet (Middle) Assy ........................................................ 7
3-3. Main Board, MD Assy ........................................................ 8
3-4. Sled Motor Assy (M602), Optical Pick-up (DAX-25E),
Turntable Motor Assy (M601) ............................................. 8
4. ELECTRICAL ADJUSTMENTS
CD Section .............................................................................. 9
5. DIAGRAMS
5-1. IC Pin Descriptions ........................................................... 10
5-2. Note for Printed Wiring Boards
and Schematic Diagrams .................................................. 15
5-3. Waveforms ......................................................................... 15
5-4. Block Diagram –CD Section– ........................................... 16
5-5. Block Diagram –Power Supply Section– .......................... 17
5-6. Printed Wiring Board –Main Section– .............................. 18
5-7. Schematic Diagram –Main Section (1/2)– ......................... 20
5-8. Schematic Diagram –Main Section (2/2)– ......................... 21
5-9. Printed Wiring Board –Switch Section– ........................... 22
5-10. Schematic Diagram –Switch Section– ............................... 23
5-11. IC Block Diagrams ............................................................ 24
6. EXPLODED VIEWS
6-1. Upper Lid Section ............................................................. 25
6-2. Cabinet (Lower) Section ................................................... 26
6-3. CD Mechanism Deck Section (CDM-3325ER2) .............. 27
7. ELECTRICAL PARTS LIST
......................................... 28
D-NE500/NE506CK
Summary of Contents for CD Walkman D-NE500
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