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