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AV Surround Receiver

TABLE OF CONTENTS

SECTION PAGE

1. LOCATION OF PRINTED CIRCUIT BOARDS/VERSION VARIATIONS ................................................ 1-1

2. TECHNICAL SPECIFICATION ................................................................................................................ 1-3

3. SERVICE TOOL/MEASUREMENT SET UP/SAFETY ............................................................................ 1-5

4. WARNING/HANDLING CHIP COMPONENTS ....................................................................................... 1-6

5. DISMANTLING HINTS ............................................................................................................................ 2-1

6. ABREVIATIONS ...................................................................................................................................... 2-2

7. WIRING DIAGRAM.................................................................................................................................. 3-1

8. BLOCK DIAGRAM ................................................................................................................................... 4-1

9. SERVICE TEST PROGRAM ................................................................................................................... 5-1

10. FRONT BOARD....................................................................................................................................... 6-1

11. TUNER BOARD ECO5 ..........................................................................................................................7B-1

12. TUNER 95 BOARD............................................................................................................................... 7D-1

13. DOLBY PROLOGIC BOARD ................................................................................................................... 8-1

14. MULTI-CHANNEL DECODING MODULE ............................................................................................... 9-1

15. MAINS BOARD...................................................................................................................................... 10-1

16. MONO BOARD ...................................................................................................................................... 11-1

17. EXPLODED VIEW ................................................................................................................................. 12-1

18. ELECTRICAL PARTS LIST MONO BOARD ......................................................................................... 13-1

Service

Manual

SR3000 /N1B, /U1B

SR4000 /K1B, /K1G, /N1B, /U1B

Please use this service manual with referring to the user guide (D.F.U) without fail.

SR3000 / SR4000

283W855010 ACT

3120 785 22200

First Issue:2000.03

SR3000

SR4000