Quad 405 Service Manual 2
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Extracted text from Quad 405 Service Manual 2 (Ocr-read)
Page 1
QUQD 405
POWER AMPLIFIER
Service Data
The Acoustical Manufacturing Co. Ltd
St Peters Road, Huntingdon, Cambs, PE18 708, England
Telephone: 0480 52567 Telex 32348 OUAD G
Page 2
Contents
Circuit Description
Test Equipment
Disconnecting Clamp Circuits
Amplifier Circuit Testing
Clamp Circuit Testing
Fault Finding
Modifications
Clamp Circuit
Replacing a Clamp Board
Conversion of a 405 to a Mono 180 watt amplifier
Replacing Transformer
Replacing Amplifier Modules
QUAD 405-2
Assembly Diagram
Amplifier Board Layout Diagram M12368 ISS 9 and 10
Amplifier Board Layout Diagram M12565 lSS 3
Circuit Diagram 2 amplifier boards M12368 ISS 5 and 6
Circuit Diagram 3 amplifier board M12368 ISS 7
Circuit Diagram 4 amplifier board M12368 ISS 9
Circuit Diagram 5 amplifier board M12368 [SS 9 and 10
Circuit Diagram 6 amplifier board M12565 ISS 3
Circuit Diagram 7 amplifier board M12565 lSS 5
Circuit Diagram 8 amplifier board M12565 ISS 6
Circuit Diagram 9 amplifier board M12565 ISS 7
Circuit Diagram 10 amplifier board M12565 ISS 7
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