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service manual DiVA A85, P85 & P85/3 Amplifiers, Arcam
Models:
A85
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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 1
Image 1
Service Manual
A85
Issue 2.0
DiVA A85, P85 & P85/3
Amplifiers
ARCAM
Page 2
Page 1
Image 1
Page 2
Contents
ARCAM
DiVA A85, P85 & P85/3 Amplifiers
Contents list
Contents List
Service guide
Circuit diagrams
Volume control
Input switching
Power supply
Pre-amplifiercircuit description
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
Quiescent Current Setting
A85, P85, P85/3 Service Guide
Build History
Software History
Fault
Fault Diagnostics
Hints & Tips
Action
INTEGRATED / PRE-POWER MODE SELECT SWITCH
A85 amplifier and PSU - top sheet Circuit Diagram
23425
FROM PREAMP
DRAWING TITLE
Circuit Diagram
Sheet 2 of
L882C2
Circuit Diagram
A85 amplifier - power output stage left
DRAWING TITLE
Sheet 3 of
Circuit Diagram
A85 amplifier - power output stage right
DRAWING TITLE
Sheet 4 of
DVD DISPLAY PCB
Circuit Diagram
Pembroke Avenue
Denny Industrial Centre
DRAWING TITLE
USE EXCLUDE NF WHEN USING RUNOUT SHEET PROGRAM
Pembroke Avenue
Waterbeach
Circuit Diagram
Integrated amplifier preamp - main signal path
DRAWING TITLE
Pembroke Avenue
Denny Industrial Centre
DRAWING TITLE
Waterbeach
Cambridge CB5 9PB
A85 DISPLAY PCB
Circuit Diagram
MARY AMP DISPLAY PCB
23425
ISSUE
Circuit Diagram
MARY AMP DISPLAY PCB
DRAWING TITLE
ISSUE
Circuit Diagram
A85 PHONO STAGE - TOP LEVEL
23425
ISSUE
Circuit Diagram
A85 PHONO STAGE - LEFT CHANNEL
23425
ISSUE
Circuit Diagram
A85 PHONO STAGE - RIGHT CHANNEL
23425
Pembroke Avenue
DRAWING TITLE
Denny Industrial Centre
Waterbeach
AP85 third channel - output stage
Circuit Diagram
DRAWING TITLE
Sheet 2 of
DRAWING TITLE
P85 microcontroller and switch
Pembroke Avenue
Denny Industrial Centre
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ARCAM
PCB Bill of Materials
ARCAM
PCB Bill of Materials
ARCAM
PCB Bill of Materials
ARCAM
2D210
ARCAM
L866PB
ARCAM
Part
ARCAM
Qty Iss
Description
2D210
ARCAM
Part
ARCAM
B1013
ARCAM
TITLE
ISSUE
A85 PHONO PCB
DWG. No. L870RS
Additions Since Last Issue
ISSUE
Deletions Since Last Issue
TITLE
PCB Bill of Materials
ARCAM
4B179
ARCAM
ISSUE
TITLE P85 SWITCH BOARD
A TACT SWITCH SKHVPE
TACT SWITCH BOURNS SDTX-644
ISSUE
TITLE P85 SWITCH BOARD
TACT SWITCH 2-PINLOW PROF
DWG. No
A85 General Assembly Parts List
WHERE USED
A85 General Assembly Parts List
230V
115V
WHERE USED
P85 General Assembly
230V
115V
WHERE USED
P85 General Assembly
230V
115V
WHERE USED
P85/3 General Assembly
230V
115V
WHERE USED
P85/3 General Assembly
230V
115V