Arcam P75 Plus - Manual

Arcam P75 Plus

Arcam P75 Plus – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Contents List
  • Page 3 – The Pre-amp ±15V supply comes from linear regulators Z300,301.
  • Page 4 – Fault diagnostics; Fault Action; Power supply test points; Position Voltage
  • Page 6 – Left Channel Power Amplifier
  • Page 8 – Phono Stage & Input Selection
  • Page 9 – POWER SUPPLY
  • Page 10 – Right Channel Power Amplifier
  • Page 12 – USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
  • Page 15 – A75 AMPLIFIER PLUS
  • Page 18 – USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
  • Page 19 – DISPLAY PCB FOR A75 AMP; Date Printed; Phono; PCB
  • Page 23 – ARCAM; PCB Bill of Materials
  • Page 38 – A65 Plus General Assembly
  • Page 40 – A75 Plus General Assembly
  • Page 42 – P75 Plus General Assembly; SILVER BLACK
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A65/75

DiVA A65, A75 & P75 Plus
Amplifi ers

Service Manual

ARCAM

ARCAM

Issue 1.0

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Summary

Page 2 - Contents List

Contents List ! Contents list ! Circuit description ! Service guide ! Circuit diagrams ! Component overlays ! Circuit board parts list ! General assembly parts list

Page 3 - The Pre-amp ±15V supply comes from linear regulators Z300,301.

A65/75/75P Plus Circuit Description PSU In order get the output devices to turn fully on and achieve the greatest efficiency, an auxiliary rail is formed from a charge pump driven by the main AC outputs from the transformer. C304,305 & D301,302 charge on alternate cycles. In the other cycle the ...

Page 4 - Fault diagnostics; Fault Action; Power supply test points; Position Voltage

A65, A75 & P75 Service Guide Fault diagnostics Fault Action No power Check mains fuse Check transformer connections Check power supply rails Stuck in protection Check power supply rails Check protection circuit voltages Check for dry joints on o/p devices Intermittent audio on one channel Check ...

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