Equipment information

Sansui 990DB Receiver
Manufacturer:
Model:
990DB
Date:
Category:
Group:
Description:
AM/FM Stereo Receiver
Service Manual
Manual Type:
Service Manual
Pages:
30
Size:
3.45 Mbytes (3620696 Bytes)
Language:
english
Revision:
Manual-ID:
SM071
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2013 11 20
MD5:
e197a1ece4ab7a81feae5ed16506b9c4
Downloads:
3348

Information

1. SPECIFICATIONS ... ... 2 2. BLOCK DIAGRAM ... ... 3 2- 1. Audio Section ... ... 3 2- 2. Tuner Section ... 3 2- 3. Dolby Mode Section ... .. 4, 5 3. OPERATION OF Dolby FM SYSTEM ... 6 4. ADJUSTMENTS ... ... 6 4- 1. Dolby Circuit Adjustment ... .. 6, 7 4- 2. Adjustment of Audio Section ... . 7,8 4- 3. Adjustment of TV Multimedia">Tuner Section ... .. 8, 9 5. PARTS LOCATION AND PARTS LIST ... 10 5- 2. F-2627 Illumination Circuit Board ... 10 5- 3. F-1519 Front-end Pack ... 11 5- 4. F-2653 TV Multimedia">Equalizer Circuit Board ... 11 5- 5. F-2624 Driver Circuit Board ... 12 5- 6. F-2544 Tone Control Circuit Board ... . . . 12 5- 7. F-2617 Mic AMP. Circuit Board ... 13 5- 8. F-2619 Power Supply Circuit Board of RF Section ... ... 13 5- 9. F-2657 Power Relay Circuit Board ... ... 13 5-10. F-2656 Power Supply Circuit Board ... ... 14 5-11. F-2684 Connector Circuit Board (C) ... ... 14 5-12. F-2682 Connector Circuit Board (A) ... ... 14 5-13. F-2683 Connector Circnit Board (B). ... ... 14 5-15. F-2695 LED Ass'y Circuit Board ... ... ... 15 5-17. F-2655 Dolby NR Circuit Board ... ... 15 5-18. E-2623 Filter Circuit Board ... ... ... 16 5-20. F-2694 Dolby Volume Circuit Board ... 16 5-21. F-2690 DIN Terminal Circuit Board . ... 16 5-22. ... 16 6. OTHER PARTS ... ... 17 6- 1. Top Side ... ... 17 6- 2. Bottom Side ... ... 17 6- 3. Exploded View ... ... 18 7. SCHEMATIC DIAGRAM ... ... 19 7- 1. Tuner Section (8080DB/9090BD, 890DB/990DB) ... ... 19 7- 2. Audio Section (8080DB/890DB) ... ... 20 7- 3. Audio Section (9090DB/990DB) ... ... 21 8. THREADING OF DIAL CORD ... ... 22 8- 1. Threading of Dial Cord ... ... 22 8- 2. Attachment of Dial Pointer ... ... 22 9. PACKING LIST ... back cover 10. ACCESSORY PARTS LIST ... back cover

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