Acoustic research a 06 service manual
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Page 1
ELECTRONICS
SERVICE MANUAL
A-06
Amplifier
TABLE OF CONTENTS
Bias Adjustment .................................................. 1
Schematic Diagram ............................................ 2
Wiring Diagram ................................................... 3
Disassembly Diagram ......................................... 4
Repair Parts List ................................................. 5
Specifications ...................................................... 5
WTELEDYINE ACOLBTIC RESEARCH
330 Turnpike Street, Canton,
Massachusetts 02021. USA
High Street, Houghton Regis, Dunstable,
Bedfordshire LU5 SQJ, England
ACOUSTIC
RESEARCH
Page 2
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Bias Adjustment
Instruments: DC mull-voltmeter
Notes: Prior to Bias Adjustment. run about 5 minutes with rated output (8 ohm) and warm up Power Transistor and Heat Sink.
Set Volume Control to Mininum.
Coupling
Step Adjust Adluet tor
Plus Lead Minus Lead
1 TP3 TP1 V8601 DC mull-voltmeter
reads 3.0mv
2 TP2 TP4 VR602