Table of Error Codes

Error Code

Description

 

 

10

Could not load

 

 

12

Loading switches combined incorrectly

 

 

20

Timed out without reading the top of PTOC

 

 

21

Could read top of PTOC, but detected error

 

 

22

Timed out without accessing UTOC

 

 

23

Timed out without reading UTOC

 

 

24

Error in UTOC

 

 

30

Could not start playback

 

 

31

Error in sector

 

 

40

Retry cause generated during normal recording

 

 

41

Retried in DRAM overflow

 

 

42

Retry occurred during TOC writing

 

 

43

Retry aborted during S.F editing

 

 

50

Other than access processing, and could not read address.

 

 

51

Focus NG occurred and overran.

 

 

MODEL IDENTIFICATION

— BACK PANEL —

Part No.

 

MODEL

PARTS No.

 

 

AEP, UK, CIS models

4-228-638-0s

 

 

Canadian model

4-228-638-3s

 

 

SP, MY models

4-228-638-4s

• Abbreviation

 

SP

: Singapore model

 

MY

: Malaysia model

 

TABLE OF CONTENTS

 

1. SERVICING NOTES

5

2. GENERAL

11

3. DISASSEMBLY

 

3-1. Upper Case (408226)

12

3-2. Front Panel Section

12

3-3. Main Board

13

3-4. PT Board, VOL-SEL Board

13

3-5. Mechanism Deck Section (MDM-7A)

14

3-6. BD Board

14

4. TEST MODE

15

5. ELECTRICAL ADJUSTMENTS

20

6. DIAGRAMS

 

6-1. Circuit Boards Location

31

6-2. Block Diagrams

 

• BD Section

32

• Main Section

33

6-3. Printed Wiring Board – BD Section

35

6-4. Schematic Diagram – BD Section (1/2)

36

6-5. Schematic Diagram – BD Section (2/2)

37

6-6. Printed Wiring Board – Main Section (Side A)

38

6-7. Printed Wiring Board – Main Section (Side B)

39

6-8. Schematic Diagram – Main Section (1/3)

40

6-9. Schematic Diagram – Main Section (2/3)

41

6-10. Schematic Diagram – Main Section (1/3)

42

6-11. Printed Wiring Board – Power Section

43

6-12. Printed Wiring Board – Display Section

44

6-13. Schematic Diagram – Display Section

45

6-14. IC Block Diagrams

46

6-15. IC Pin Functions

48

7. EXPLODED VIEWS

 

7-1. Chassis Section

54

7-2. Front Panel Section

55

7-3. Mechanism Section-1 (MDM-7A)

56

7-4. Mechanism Section-2 (MDM-7A)

57

8. ELECTRICAL PARTS LIST

58

4

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Sony MDS-JE640 specifications Table of Contents, Disassembly, Diagrams, Exploded Views