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service manual Service Manual A65/75, DiVA A65, A75 & P75 Plus Amplifiers, Arcam, Issue
Models:
P75 Plus
A75
A65
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Circuit Diagram
Issue
Fault diagnostics
A65 Plus General Assembly
uC, Volume Drive & Remote Control
How to
Volume Control
Safety
Left Channel Power Amplifier
Page 1
Image 1
Service Manual
A65/75
Issue 1.0
DiVA A65, A75 & P75 Plus Amplifiers
ARCAM
Page 2
Page 1
Image 1
Page 2
Contents
Issue
Service Manual A65/75
DiVA A65, A75 & P75 Plus Amplifiers
ARCAM
Contents list
Contents List
Service guide
Circuit diagrams
Power Amplifier
A65/75/75P Plus Circuit Description
Volume Control
Headphones
Fault diagnostics
A65, A75 & P75 Service Guide
Power supply test points
IQ settings
A65 PLUS AMP
USE exlude A65 FILTER FOR BOM
TOP SHEET FOR A65 L942AY
L942C1
A65 PLUS AMP
Left Channel Power Amplifier
SET BIAS TO 12mV
L942C5
WARNING SAFETY CRITICAL COMPONENT REPLACE WITH IDENTICAL PART
uC, Volume Drive & Remote Control
A65 PLUS AMP
L942C7
Phono
A65 PLUS AMP
Stage & Input Selection
L942C3
L942C2
POWER SUPPLY
A65 PLUS AMP
Right Channel Power Amplifier
SET BIAS TO 12mV
L942C6
Pre-amp Out, Tone & Headphone
A65 PLUS AMP
L942C4
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
A75 PLUS AMP
TOP SHEET FOR A75 L940AY
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
Left Channel Power Amplifier
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
A75 PLUS AMP
WARNING SAFETY CRITICAL COMPONENT REPLACE WITH IDENTICAL PART
uC, Volume Drive & Remote Control
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
A75 AMPLIFIER PLUS
Phono
WARNING SAFETY CRITICAL COMPONENT REPLACE WITH IDENTICAL PART
POWER SUPPLY
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
Right Channel Power Amplifier
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
A75 PLUS AMP
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
A75 PLUS AMP
Pre-amp Out, Tone & Headphone
ISSUE
Circuit Diagram
DISPLAY PCB FOR A75 AMP
DRAWING TITLE
Page
Page
Reference
A65/75 Display Board L8851.1
Description
Part
ARCAM
1H324
ARCAM
LK152 LK153 LK154
ARCAM
ARCAM
ARCAM
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ARCAM
ARCAM
ARCAM
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ARCAM
ARCAM
ARCAM
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WHERE USED
A65 Plus General Assembly
230V
115V
WHERE USED
A65 Plus General Assembly
230V
115V
WHERE USED
A75 Plus General Assembly
230V
115V
WHERE USED
A75 Plus General Assembly
230V
115V
WHERE USED
P75 Plus General Assembly
230V
115V