Pioneer sa 9900 service manual

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pioneer sa 9900 service manual

Extracted text from pioneer sa 9900 service manual (Ocr-read)


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9°.9391999N.

10.

11.

CONTENTS

SPECIFICATIONS ....................................... 3
FRONT PANEL FACILITIES ............................... 5
CONNECTION DIAGRAM .................................. 7
BLOCK DIAGRAM ....................................... 9
BRIEF DESCRIPTION AND FEATURES OF CIRCUITS ............. 11
DISASSEMBLY INSTRUCTIONS ............................. 13
pAn'rs LOCATION ....................................... 18
ADJUSTING PROCEDURES FOR JUNCTION POINT

AND IDLE CURRENT .................................... 20
EXPLODED VIEW AND PARTS LIST ......................... 22
SCHEMATIC DIAGRAMS, P.C. BOARD PATTERNS AND PARTS LIST

10.1 Schematic Diagram .................................. 27
10.2 Electra-Parts ..................................... 29
10.3 Input Circuit Assembly (AWK-O38) ....................... 30
10.4 Control Amplifier Assembly lAWG-031) ................... 36
10.5 Power Amplifier Assembly lAWH-037l ..................... 40
10.6 Protection Circuit Assembly lAWM-D71) ................... 47
10.7 Fuse Board Assembly (AWX-083l ........................ 49
10.8 Power Supply Circuit Assembly-1 (AWR-069) ................. 50
10.9 Power Supply Circuit Assembly-2 lAWR~070) ................. 51
10.10 Power Supply Circuit Assembly-3 (AWR-077) ................. 54
10.11 Volume Circuit Assembly (AWX-073) ..................... 55
10.12 To'ne Switch Circuit Assembly (AIMS-079) ................... 56
10.13 Switch Circuit Assembly lAWS-080-0) ..................... 62
PACKING METHOD ...................................... 67