Read Sony MDS-SP55 Service Manual online
5
TABLE OF CONTENTS
1. SERVICING NOTE
.......................................................... 6
2. GENERAL
........................................................................ 13
3. DISASSEMBLY
3-1. Case ..................................................................................... 14
3-2. Front Panel Assy ................................................................. 14
3-3. MD Mechanism Deck (MDM-5A) ..................................... 15
3-4. Main Board ......................................................................... 15
3-5. Slider (Cam) ........................................................................ 16
3-6. BD Board ............................................................................ 16
3-7. Over Write Head ................................................................. 17
3-8. Optical Pick-up (KMS-260A/J1N) ..................................... 17
3-9. Spindle Motor, Sled Motor ................................................. 17
3-2. Front Panel Assy ................................................................. 14
3-3. MD Mechanism Deck (MDM-5A) ..................................... 15
3-4. Main Board ......................................................................... 15
3-5. Slider (Cam) ........................................................................ 16
3-6. BD Board ............................................................................ 16
3-7. Over Write Head ................................................................. 17
3-8. Optical Pick-up (KMS-260A/J1N) ..................................... 17
3-9. Spindle Motor, Sled Motor ................................................. 17
4. TEST MODE
..................................................................... 18
5. ELECTRICAL ADJUSTMENTS
............................... 22
6. DIAGRAMS
6-1. Block Diagrams
• BD Section ....................................................................... 32
• Main Section .................................................................... 33
• Main Section .................................................................... 33
6-2. Printed Wiring Board – BD Section – ................................. 34
6-3. Schematic Diagram – BD (1/2) Section – ........................... 35
6-4. Schematic Diagram – BD (2/2) Section – ........................... 36
6-5. Schematic Diagram – Main (1/2) Section – ........................ 37
6-6. Schematic Diagram – Main (2/2) Section – ........................ 38
6-7. Printed Wiring Board – Main Section – .............................. 39
6-8. Printed Wiring Board – Panel Section – ............................. 40
6-9. Schematic Diagram – Panel Section – ................................ 41
6-10. Schematic Diagram – BD Switch Section – .................... 42
6-11. Printed Wiring Board – BD Switch Section – .................. 42
6-12. IC Block Diagrams ........................................................... 42
6-13. IC Pin Functions ............................................................... 45
6-3. Schematic Diagram – BD (1/2) Section – ........................... 35
6-4. Schematic Diagram – BD (2/2) Section – ........................... 36
6-5. Schematic Diagram – Main (1/2) Section – ........................ 37
6-6. Schematic Diagram – Main (2/2) Section – ........................ 38
6-7. Printed Wiring Board – Main Section – .............................. 39
6-8. Printed Wiring Board – Panel Section – ............................. 40
6-9. Schematic Diagram – Panel Section – ................................ 41
6-10. Schematic Diagram – BD Switch Section – .................... 42
6-11. Printed Wiring Board – BD Switch Section – .................. 42
6-12. IC Block Diagrams ........................................................... 42
6-13. IC Pin Functions ............................................................... 45
7. EXPLODED VIEWS
7-1. Case and Front Panel Section ............................................. 50
7-2. Mechanism Deck Section (MDM-5A) ................................ 51
7-3. Base Unit Section (MBU-5A) ............................................. 52
7-2. Mechanism Deck Section (MDM-5A) ................................ 51
7-3. Base Unit Section (MBU-5A) ............................................. 52
8. ELECTRICAL PARTS LIST
........................................ 53
MODEL IDENTIFICATION
— BACK PANEL —
• Abbreviation
AED
: North European model
MY
: Malaysia model
SP
: Singapore model
HK
: Hong kong model
KR
: Korea model
MODEL
AEP, UK, AED models
HK, MY, SP models
KR model
PARTS No.
4-229-665-0
s
4-229-665-2
s
4-229-665-3
s
Parts No.
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