Read Sony MDS-JB980 Service Manual online
5
TABLE OF CONTENTS
1. SERVICING NOTES
........................................................ 6
2. GENERAL
......................................................................... 11
3. DISASSEMBLY
3-1. Case ................................................................................... 13
3-2. Front Panel ......................................................................... 13
3-3. Mechanism Deck ............................................................... 14
3-4. Main Board, USB Board ................................................... 14
3-5. PT Board ............................................................................ 15
3-6. Over Write Head (HR901), BD Board .............................. 15
3-7. Holder Assy ....................................................................... 16
3-8. Belt (Loading), Loading Motor Assy (M103) ................... 16
3-9. Sled Motor Assy (M102) ................................................... 17
3-10. Optical Pick-Up (KMS-260B/260E) ................................. 17
3-11. Spindle Motor Assy (M101) .............................................. 18
3-2. Front Panel ......................................................................... 13
3-3. Mechanism Deck ............................................................... 14
3-4. Main Board, USB Board ................................................... 14
3-5. PT Board ............................................................................ 15
3-6. Over Write Head (HR901), BD Board .............................. 15
3-7. Holder Assy ....................................................................... 16
3-8. Belt (Loading), Loading Motor Assy (M103) ................... 16
3-9. Sled Motor Assy (M102) ................................................... 17
3-10. Optical Pick-Up (KMS-260B/260E) ................................. 17
3-11. Spindle Motor Assy (M101) .............................................. 18
4. TEST MODE
..................................................................... 19
5. ELECTRICAL ADJUSTMENTS
................................. 23
6. DIAGRAMS
6-1. IC Pin Descriptions ............................................................ 33
6-2. Block Diagram –BD Section– ........................................... 39
6-3. Block Diagram –Main Section– ........................................ 40
6-4. Circuit Boards Location ..................................................... 41
6-5. Schematic Diagram –BD Section (1/2)– ........................... 42
6-6. Schematic Diagram –BD Section (2/2)– ........................... 43
6-7. Printed Wiring Board –BD Section– ................................. 44
6-8. Printed Wiring Board –Main Section– .............................. 45
6-9. Schematic Diagram –Main Section (1/2)– ........................ 46
6-10. Schematic Diagram –Main Section (2/2)– ........................ 47
6-11. Printed Wiring Boards –Key Section– ............................... 48
6-12. Schematic Diagram –Key Section– ................................... 49
6-13. Printed Wiring Boards –Display Section– ......................... 50
6-14. Schematic Diagram –Display Section– ............................. 51
6-15. Printed Wiring Boards–USB/Power Section– ................... 52
6-16. Schematic Diagram –USB/Power Section– ....................... 53
6-17. IC Block Diagrams ............................................................ 54
6-2. Block Diagram –BD Section– ........................................... 39
6-3. Block Diagram –Main Section– ........................................ 40
6-4. Circuit Boards Location ..................................................... 41
6-5. Schematic Diagram –BD Section (1/2)– ........................... 42
6-6. Schematic Diagram –BD Section (2/2)– ........................... 43
6-7. Printed Wiring Board –BD Section– ................................. 44
6-8. Printed Wiring Board –Main Section– .............................. 45
6-9. Schematic Diagram –Main Section (1/2)– ........................ 46
6-10. Schematic Diagram –Main Section (2/2)– ........................ 47
6-11. Printed Wiring Boards –Key Section– ............................... 48
6-12. Schematic Diagram –Key Section– ................................... 49
6-13. Printed Wiring Boards –Display Section– ......................... 50
6-14. Schematic Diagram –Display Section– ............................. 51
6-15. Printed Wiring Boards–USB/Power Section– ................... 52
6-16. Schematic Diagram –USB/Power Section– ....................... 53
6-17. IC Block Diagrams ............................................................ 54
7. EXPLODED VIEWS
7-1. Case Section ...................................................................... 56
7-2. Chassis Section .................................................................. 57
7-3. Front Panel Section ............................................................ 58
7-4. Mechanism Section-1 (MDM-7S1A) ................................ 59
7-5. Mechanism Section-2 (MDM-7S1A) ................................ 60
7-2. Chassis Section .................................................................. 57
7-3. Front Panel Section ............................................................ 58
7-4. Mechanism Section-1 (MDM-7S1A) ................................ 59
7-5. Mechanism Section-2 (MDM-7S1A) ................................ 60
8. ELECTRICAL PARTS LIST
........................................ 61
MDS-JB980
Description
Table of Error Codes
Error Code
10
12
20
21
22
23
24
30
31
40
41
42
43
50
51
Could not load
Loading switches combined incorrectly
Timed out without reading the top of PTOC
Could read top of PTOC, but detected error
Timed out without accessing UTOC
Timed out without reading UTOC
Error in UTOC
Could not start playback
Error in sector
Retry cause generated during normal recording
Retried in DRAM overflow
Retry occurred during TOC writing
Retry aborted during S.F editing
Other than access processing, and could not read address.
Focus NG occurred and overran.
MODEL IDENTIFICATION
— BACK PANEL —
Part No.
MODEL
AEP models
UK model
PARTS No.
4-239-218-0
s
4-239-218-1
s
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