Sansui AU 9900A AU 11000A Service Manual

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SERVICE MANUAL

INTEGRTED STEREO AMPLIFIER

SANSUI All-9900A/11000A

SANSUI ELECTRIC CO., LTD.

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AU-9900A/11000A

TABLE OF CONTENTS

Section lle E
1. BLOCK DIAGRAM
2. SPECIFICATIONS ...........
3. PARTS LOCATION & PARTSLIST ................ 3
3- 1- F-2569 lnput Terminal & Switch Board 3
3- 2. F-2660 Level Volume Circuit Board ....... 3
3- 3 F-2691 Equalizer Circuit Board ...... 4
3- 4 F-2573 Filter Accessory Circuit Board .......... 4
3- 5. F-2577 Treble Tone Selector Circuit Board . . . . 5
3- 6. F-ZS7B Bass Tone Selector Circuit Board iiiiii 5
3- 7 F-ZS7I Tape Copy & Tuner Signal Switching .. 5
3- 8t F-2572 Tape Play Circuit Board ............ 5
3~ 9t F-2575 Midrange Tone Control ............ .. 6
3-10 F42579 Pre-Main Switch Circuit board ........ 6
3-11. F-2576 Bass & Treble Tone Control
Circuit Board .............................. 6
342. F-2581 Final Stage Circuit Board tttttttttttttt 6
3-13. F-2661 Driver Circuit Board .............. . 7
3-14. F-2629 Power Supply Circuit Board ........ . 7
3-15. F-2630 Power Supply Circuit Board for
Driver Stage ........... . 8
4. OTHER PARTS . 9
4- 1. Top & Bottom View
4- 2. Exploded View
5. ADJUSTMENTS
5- 1i Bias Current Adjnstment
6. SCHEMATIC DIAGRAM ........
Gr 1. AU-9900A/11000A Pre AMP. Section tttttttt 12
6- 2. AU-9900A Power AMP. Section... 13
6- 3. AU-11OODA Power AMP. Section . 14
6- 4. AU- -99OOA Power Supply Section .. . 15
6- 5. AU-11000A Power Supply Section ............ 15
7. PACKING LIST .......................... back ever
3. ACCESSORY PARTS LIST ................ back over

1. BLOCK DIAGRAM

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