Sony MDS-E12 - Page 2

TABLE OF CONTENTS
1. SERVICE NOTE oo. ccccsssssesssssesseesstssssecsscessensees 4
2. GENERAL: je ccsiscialeitideldatindetandesclenaiend: 10
S.TEST MODE iis.issssscsstessaisss coslosesbcodedosoussesenesdstesscontcasiabcuscs 43
4. ELECTRICAL ADJUSTMENTS. ......... eee 51
5. DIAGRAMS
5-1. Circuit Boards Location........ssssssssssssssssesssssssssssesesesssssssees 61
5-2. Block Diagram ies
5-3. IC Block Diagrams ........ccscsssssccsscsecrscssecessersseessssesesceacnes
5-4. Printed Wiring Board — Main Section — oo... ccssseeeees
5-5. Schematic Diagram — Main Section (1/4) —
5-6. Schematic Diagram — Main Section (2/4) —
5-7. Schematic Diagram — Main Section (3/4) —
5-8. Schematic Diagram — Main Section (4/4) —
5-9. Printed Wiring Board
—— AC/FL/HP/KEY/PSW/SIRCS Section — ....... cesses 77
5-10. Schematic Diagram — FL/HP/KEY/SIRCS Section — ... 79
5-11. Schematic Diagram — AC/PSW Section — ...... cesses 81
5-12. Printed Wiring Board -—- BAL/CNT Section —................ 83
5-13. Schematic Diagram — BAL Section — 85
5-14. Schematic Diagram — CNT Section —
5-15. Printed Wiring Board — BD Section — ....cceeeeseeseeees
5-16. Schematic Diagram — BD Section (1/2) —
5-17. Schematic Diagram — BD Section (2/2) —
5-18. 1G: Pin PUNCtions sc.csscecstssssassesetissnssisoseconsessesssavendosssssvsbersass
6. EXPLODED VIEWS
6-1. Front: Section ssisscccssicccasseoseovsesececavisisccvodestasavecseeestanveeeaaee> 103
62s: Rear SOction sicicecicscssecicsessetestetececdescuctsversvusesesccussenseaa couse 104
6-3. Mechanism Section-1 (MDM-7SC) usec eeessscesecesesscees 105
6-4. Mechanism Section-2 (MDM-7SC) .....:cssccscssersesereeeeeees 106
7. ELECTRICAL PARTS LIST 0.00... eects 107
Dimensions
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Rack mounting
This recorder can be rack mounted on a standard EIA 19-
inch rack. After removing the four feet, the unit can be
mounted in a rack.
To remove the for feet attached to the bottom of the re-
corder, use a pair of tweezers or similar tool to remove the
plastic pin set at the center of each foot. The feet can be
detached after the pin has been removed.
Unit : mm
225 =