Pioneer qc 800 a service manual

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pioneer qc 800 a service manual

Extracted text from pioneer qc 800 a service manual (Ocr-read)


Page 2

(SC-800A

CONTENTS

1. SPECIFICATIONS ...................................... 1
2. FRONT PANEL FACILITIES ............................ 3
3. CONNECTION DIAGRAM ............................... 5
4. CIRCUIT DESCRIPTION

4-1 Block diagram ....................................... 7

4-2. Signal paths ......................................... g

4-3. Decoder circuit ...................................... 9
5. DISASSEMBLY ....................................... 10
6. PARTS AND PCB LOCATION

6-1. Topview........u.. ............................... 11

6-2. Bottom view ........................................ 11
7. PACKING METHOD AND PART NUMBERS ................ 12

8. CIRCUIT DIAGRAMS, PCB PATTERNS, AND PARTS LIST

8-1. Unit connection diagram and miscellaneous parts ............... 13
8-2. Head amp unit ..................................... 19
8-3. Control amp unit ..................................... 22
84. Headphone amp unit .................................. 24
8-5. Decoder unit ....................................... 26
8-6. Logic unit ......................................... 31
3-7. Switch unit-1 ....................................... 34
8-8. Switch unit-2 ........................... V ............ 36
8'9. Power supply unit ..................................... 38