Pioneer SA 8500 Service Manual

Page 2

CONTENTS

1. SPECIFICATIONS .................................... 2
2. FRONT PANEL FACILITIES .............................. 3
3. CONNECTION DIAGRAM ................................ 5
4. CIRCUIT DESCRIPTION ................................ 7
5. LEVEL DIAGRAM .................................... 10
6. BLOCK DIAGRAM .................................... 11
7. DISASSEMBLY ...................................... 13
8. ADJUSTMENTS
8.1 Adjustment for Junction Point .......................... 17
8.2 Adjustment for Idle Current ........................... 18
9. EXPLODED VIEW .................................... 19
10. PARTS LOCATIONS ................................... 28
11. SCHEMATIC DIAGRAMS, P.C. BOARD PATTERNS AND
PARTS LISTS .
11.1 Schematic Diagrams and Miscellaneous Parts ................... 31
11.2 Equalizer Amplifier Assembly (AWF-016) .................... 39
11.3 Control Amplifier Assembly (AWG-O34) ..................... 43
11.4 Power Amplifier Assembly (AWH-042) ...................... 47
11.5.1 Switch Circuit Assembly (AWS-083) For KCU and "FV" Type ....... 51
11.5.2 Switch Circuit Assembly (AWS-085) For "GN" Type ............. 55
11.6 5P Connector Assembly (AWX-062) ....................... 61
12. PACKING ......................................... 62
NOTE:

THE MODEL SA-8500 COMES IN THREE VERSIONS DISTINGUISHED AS FOLLOWS:

Round label on I

rear panel . Voltage Type
UL (U.S.A.) and
KCU I 120V only CSA (Canada) approved.
FV I 110V, 120V, 130V, 220V, General export model.
' and 240V (switchable) SEV (Switzerland) approved.

SEMKO (Sweden),
DEMKO (Denmark),

GN 220V only NEMKO (Norway) and

EI (Finland) approved-