Sansui CA 2000 Service Manual

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SERVICE MANUAL

PREAMPLIFIER
SANSUI Gil-2000

SANSUI ELECTRIC CO., LTD.

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This service manual is designed for service engineers to repair, adjust,
maintain and order the replacement parts of the CA-ZOOO correctly.
When ordering the parts, use the stock number and parts name speci-
fically referring to the Parts Location and Parts Lists.

For general usage and maintenance of the unit, please refer to the
Operating Instructions attached with the unit.

TABLE OF CONTENTS;

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Section Title ffig
1. SPECIFICATIONS .............................................. 2
2. BLOCK DIAGRAM ................................. - ............. 2
3. OPERATIONS OF NEW CIRCUITS .............................. 3

3-1. Current Mirror Circuit ........................................ 3
3-2. Four-gang Level Volume Control .............................. 3
4. PARTS LOCATION & PARTS LIST .............................. 4
4-1. F-2659 Power Supply Circuit Board ............................ 4
4-2. F-2579 Pre-Main Switch Circuit Board ........................ 4
4-3. F-2691 Equalizer Circuit Board ................................ 5
4-4. F-2573 Filter Accessory Circuit Board .......................... 5
4-5. F-2577 Treble Tone Selector Circuit Board .................... 6
4-6. F-2588 Bass Tone Selector Circuit Board ...................... 6
4-7. F-2571 Tape Copy 8: Tuner Signal Switching Circuit Board ...... 6
4- 8. F- 2572 Tape Play Circuit Board ................................ 6
4-9. F- 2575 Midrange Tone Control Circuit Board .................. 7
4-10. F- 2576 Bass & Treble Tone Circuit Board ...................... 7
4-11. F- 2491 Circuit Board for Headphone .......................... 7
4-12. F-2569 Input Terminal 8: Switch Circuit Board .................. 8
4-13. F-2660 Level Volume Control Circuit Board .................... 8
0 COMMON PARTS LIST FOR RESISTORS
& CAPACITORS ONLY .................................. (Attached)
5. OTHER PARTS ................ - ................................ 9
5-1. Top & Bottom View .......................................... 9
5-2. Front View ................................................ 10
5-3. Figures .................................................... 10
6. SCHEMATIC DIAGRAM ......... ' ............................... 11
7. PACKING LIST ........................................ BACK COVER
8. ACCESSORY PARTS LIST ............................ BACK coven