Revox B790 Turntable
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Model:
B790
Date:
0
Category:
Group:
Description:
Manual type:
Cirquit Diagram
Pages:
10
Size:
915.06 Kbytes (937024 Bytes)
Language:
english
Revision:
Manual ID:
18.228.378
Date:
Quality:
Scanned document, all readable.
Upload date:
2015 11 21
MD5:
720c8474490d829ccf45060a43a06166
Downloads:
760
Information
A
MAINS CONNECTION BOARD
.179.160
PAGE
4
B
POWER SUPPLY
.179.159
PAGE
4
C
ARM ELECTRONIC BOARD
.179.150
PAGE
5
D
MOTOR CONTROL BOARD
.179.152
PAGE
6/
E
SWITCH BOARD / ARM
.179.145
PAGE
5
F
DISPLAY BOARD
.179.146
PAGE
7
G
SWITCH BOARD / SPEED
.179.145
PAGE
6
H
PICKUP SUPPORT
.179.116
PAGE
8
1
CONNECTOR BOARD
.179.100-12
PAGE
9
BLOCK DIAGRAM TONE-ARM ELECTRONIC
PAGE
10
BLOCK DIAGRAM Turntable - DRIVE
PAGE
11
Manual type:
Service Manual
Pages:
67
Size:
7.24 Mbytes (7596079 Bytes)
Language:
english, german, french
Revision:
Manual ID:
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2020 01 08
MD5:
ae2f706c31bbcb2e20fd694c244f875c
Downloads:
374
Information
Description
1. General
Operating elements
2. Technical Data
Dimensions
3. Dismantling
Removal of dust cover
Removal of platter
Removal of chassis
Removal of Turntable motor
Removal of tonearm support
Removal of tonearm cover
Removal of stylus
Removal of operating control assembly
Replacement of mains fuse
Re-assembly
4. Mechanical adjustments and checks
Checking the cartridge position
How to use the alignment gauge
Corrective measures in case of excessive error
Adjustment of maximum arm lowering
Adjustment of tracking force
Adjustment of left-hand and right-hand end switches
Position switch of tonearm support
5. Circuit description
Control circuits for the platter motor
Reference signal
Motor control system
Control of the digital read-out
External commands
Adjustments in the motor control electronics
Tonearm follow-up
Functional check of the tonearm