Manuals
/
Arcam
/
Home Audio
/
Stereo Amplifier
Arcam
A85 service manual
Models:
A85
1
28
54
54
Download
54 pages
166 b
25
26
27
28
29
30
31
32
<
>
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 28
Image 28
Page 27
Page 29
Page 28
Image 28
Page 27
Page 29
Contents
DiVA A85, P85 & P85/3 Amplifiers
ARCAM
Contents List
Contents list
Service guide
Circuit diagrams
Input switching
Volume control
Power supply
Pre-amplifiercircuit description
L882 Circuit Sheet
Amplifier & PSU Circuit Description
L882 Circuit Sheet
L882 Circuit Sheet
The basic principle of operation is follows
Interface
L870 Phono Circuit Description
Amplifier
The 14 pin connector is numbered as follows
The ground naming convention is as follows
A85, P85, P85/3 Service Guide
Quiescent Current Setting
Build History
Software History
Fault Diagnostics
Fault
Hints & Tips
Action
A85 amplifier and PSU - top sheet Circuit Diagram
INTEGRATED / PRE-POWER MODE SELECT SWITCH
23425
FROM PREAMP
Circuit Diagram
DRAWING TITLE
Sheet 2 of
L882C2
A85 amplifier - power output stage left
Circuit Diagram
DRAWING TITLE
Sheet 3 of
A85 amplifier - power output stage right
Circuit Diagram
DRAWING TITLE
Sheet 4 of
Circuit Diagram
DVD DISPLAY PCB
Pembroke Avenue
Denny Industrial Centre
USE EXCLUDE NF WHEN USING RUNOUT SHEET PROGRAM
DRAWING TITLE
Pembroke Avenue
Waterbeach
Integrated amplifier preamp - main signal path
Circuit Diagram
DRAWING TITLE
Pembroke Avenue
DRAWING TITLE
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
Circuit Diagram
A85 DISPLAY PCB
MARY AMP DISPLAY PCB
23425
Circuit Diagram
ISSUE
MARY AMP DISPLAY PCB
DRAWING TITLE
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
23425
DRAWING TITLE
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Circuit Diagram
AP85 third channel - output stage
DRAWING TITLE
Sheet 2 of
P85 microcontroller and switch
DRAWING TITLE
Pembroke Avenue
Denny Industrial Centre
Page
Page
Page
Page
Page
Page
Page
ARCAM
ARCAM
PCB Bill of Materials
ARCAM
PCB Bill of Materials
ARCAM
PCB Bill of Materials
ARCAM
2D210
ARCAM
L866PB
ARCAM
Part
Qty Iss
Description
ARCAM
2D210
ARCAM
Part
ARCAM
B1013
ISSUE
TITLE
A85 PHONO PCB
DWG. No. L870RS
ISSUE
Additions Since Last Issue
Deletions Since Last Issue
TITLE
ARCAM
PCB Bill of Materials
ARCAM
4B179
TITLE P85 SWITCH BOARD
ISSUE
A TACT SWITCH SKHVPE
TACT SWITCH BOURNS SDTX-644
TITLE P85 SWITCH BOARD
ISSUE
TACT SWITCH 2-PINLOW PROF
DWG. No
A85 General Assembly Parts List
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
115V