Table Of Contents - Sony MZ-R501 Service Manual

1. SERVICING NOTE
......................................................... 4
2. GENERAL
Looking at the Controls ...................................................... 5
3. DISASSEMBLY
3-1. Case (Lower) Assy .............................................................. 6
3-2. Case (Upper) Assy .............................................................. 6
3-3. LCD Module ....................................................................... 7
3-4. Main Board ......................................................................... 7
3-5. MD Mechanism Deck ......................................................... 8
3-6. Service Assy, OP ................................................................. 8
3-7. Holder Assy ......................................................................... 9
3-8. Motor Flexible Board .......................................................... 9
3-9. DC Motor (M602) ............................................................. 10
3-10. DC Motor (M601), DC Motor (M603) ............................. 10
4. TEST MODE
4-1. Outline ............................................................................... 11
4-2. Setting Method of Test Mode ............................................ 11
4-3. Operation in Setting the Test Mode ................................... 11
4-4. Releasing the Test Mode ................................................... 11
4-5. Configuration of Test Mode .............................................. 12
4-6. Manual Mode .................................................................... 12
4-7. Overall Adjustment Mode ................................................. 13
4-8. Self-Diagnosis Result Display Mode ................................ 13
4-9. Reset the Error Display Code ............................................ 14
4-10. Sound Skip Check Result Display Mode .......................... 15
4-11. Key Check Mode ............................................................... 15

TABLE OF CONTENTS

5. ELECTRICAL ADJUSTMENTS
5-1. Outline ............................................................................... 17
5-2. Precautions for Adjustment ............................................... 17
5-3. Adjustment Sequence ........................................................ 17
5-4. NV Reset ........................................................................... 17
5-5. Power Supply Manual Adjustment .................................... 18
5-6. Temperature Correction ..................................................... 19
5-7. Laser Power Check ........................................................... 19
5-8. Overall Adjustment Mode ................................................. 20
5-9. Mode Settings ................................................................... 22
5-10. Resume Clear .................................................................... 23
6. DIAGRAMS
6-1. IC Pin Function Description ............................................ 24
6-2. Block Diagram - Servo Section - ..................................... 30
6-3. Block Diagram - Audio Section - .................................... 31
6-4. Block Diagram - System Control/Power Section - .......... 32
6-5. Printed Wiring Board - Main Section - ............................ 34
6-6. Schematic Diagram - Main Section (1/3) - ...................... 36
6-7. Schematic Diagram - Main Section (2/3) - ...................... 37
6-8. Schematic Diagram - Main Section (3/3) - ...................... 38
7. EXPLODED VIEWS
7-1. Panel Section ..................................................................... 43
7-2. Chassis Section ................................................................. 44
7-3. MD Mechanism Deck Section .......................................... 45
8. ELECTRICAL PARTS LIST
MZ-R501/R501PC
...................................... 46
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