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A85 service manual
Models:
A85
1
31
54
54
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54 pages
166 b
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Parts list
A85 amplifier and PSU - top sheet Circuit Diagram
Issue
Fault Diagnostics
P85 General Assembly
Integrated amplifier preamp - main signal path
Quiescent Current Setting
How to
Volume control
A85 amplifier - power output stage left
Page 31
Image 31
Page 30
Page 32
Page 31
Image 31
Page 30
Page 32
Contents
ARCAM
DiVA A85, P85 & P85/3 Amplifiers
Circuit diagrams
Contents List
Contents list
Service guide
Pre-amplifiercircuit description
Input switching
Volume control
Power supply
L882 Circuit Sheet
Amplifier & PSU Circuit Description
L882 Circuit Sheet
The basic principle of operation is follows
L882 Circuit Sheet
Interface
L870 Phono Circuit Description
Amplifier
The ground naming convention is as follows
The 14 pin connector is numbered as follows
Software History
A85, P85, P85/3 Service Guide
Quiescent Current Setting
Build History
Action
Fault Diagnostics
Fault
Hints & Tips
FROM PREAMP
A85 amplifier and PSU - top sheet Circuit Diagram
INTEGRATED / PRE-POWER MODE SELECT SWITCH
23425
L882C2
Circuit Diagram
DRAWING TITLE
Sheet 2 of
Sheet 3 of
A85 amplifier - power output stage left
Circuit Diagram
DRAWING TITLE
Sheet 4 of
A85 amplifier - power output stage right
Circuit Diagram
DRAWING TITLE
Denny Industrial Centre
Circuit Diagram
DVD DISPLAY PCB
Pembroke Avenue
Waterbeach
USE EXCLUDE NF WHEN USING RUNOUT SHEET PROGRAM
DRAWING TITLE
Pembroke Avenue
Pembroke Avenue
Integrated amplifier preamp - main signal path
Circuit Diagram
DRAWING TITLE
Cambridge CB5 9PB
DRAWING TITLE
Denny Industrial Centre
Waterbeach
23425
Circuit Diagram
A85 DISPLAY PCB
MARY AMP DISPLAY PCB
DRAWING TITLE
Circuit Diagram
ISSUE
MARY AMP DISPLAY PCB
23425
Circuit Diagram
ISSUE
A85 PHONO STAGE - TOP LEVEL
23425
Circuit Diagram
ISSUE
A85 PHONO STAGE - LEFT CHANNEL
23425
Circuit Diagram
ISSUE
A85 PHONO STAGE - RIGHT CHANNEL
Waterbeach
DRAWING TITLE
Pembroke Avenue
Denny Industrial Centre
Sheet 2 of
Circuit Diagram
AP85 third channel - output stage
DRAWING TITLE
Denny Industrial Centre
P85 microcontroller and switch
DRAWING TITLE
Pembroke Avenue
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Page
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ARCAM
PCB Bill of Materials
ARCAM
PCB Bill of Materials
ARCAM
PCB Bill of Materials
ARCAM
2D210
ARCAM
L866PB
ARCAM
Description
ARCAM
Part
Qty Iss
2D210
ARCAM
Part
ARCAM
B1013
ARCAM
DWG. No. L870RS
ISSUE
TITLE
A85 PHONO PCB
TITLE
ISSUE
Additions Since Last Issue
Deletions Since Last Issue
PCB Bill of Materials
ARCAM
4B179
ARCAM
TACT SWITCH BOURNS SDTX-644
TITLE P85 SWITCH BOARD
ISSUE
A TACT SWITCH SKHVPE
DWG. No
TITLE P85 SWITCH BOARD
ISSUE
TACT SWITCH 2-PINLOW PROF
A85 General Assembly Parts List
115V
A85 General Assembly Parts List
WHERE USED
230V
115V
P85 General Assembly
WHERE USED
230V
115V
P85 General Assembly
WHERE USED
230V
115V
P85/3 General Assembly
WHERE USED
230V
115V
P85/3 General Assembly
WHERE USED
230V