Dual 721 - Table of Contents

Contents
Specification
Circuit Diagram
Dual EDS 1000-2 Electronic Direct Drive System
Description of Function
Speed Regulation
Page
2
3,4
6, 7
8, 9
9
Assembly I nstructions for
Dual EDS 1000-2 10
Stroboscope
10,
11
Pitch Control
11
Adjustment
of nominal speeds
11
Tonearm and Tonearm
Suspension
12
Removal of tonearm from
bearing frame
12
Removal
of tonearm assembly
vvith tonearm bearing
12
Replacement
of spring
housing
13
Adjustment of
tonearm
suspension
13
Vertical Tonearm Control
13
Antiskating
Control
13
Tonearm Control
14
Cue
Control
14
Replacement of
cue control assembly
14
Starting
15
Manual Start
16
Stopping
16
Muli ng
switch
16
Continuous Play
16
Pick -up head not paral lel to platter
16
Shut-off
17
Stylus slips out
of playing groove
17
Tonearm does not set down at the edge
of the record 18
Tonearm does not set down
or lowers onto record too
quickly
18
Vertical
movement of tonearm
dragging 18
Tonearm
returns to rest immediately
18
Tonearm moves
with dials in zero position
18
During
automatic
operation
of tonearm disturbing noises
are perceptible
18
Motor does not shut-off
18
Acoustic feed back
18
Pick -up Connection Diagram
19
Spare
Parts
20
Exploded view - Parts above chassis
21
Exploded view - Parts below chassis
22
Spare Parts
23 -
25
Lubricating I nstructions
25
Note: The
reference numbers in the
instructions refer to the spare parts lists and
exploded views.
5