Dual 721 Service Manual

Name: Dual 721
Brand: Dual
Rating: 5 (1 reviews)

25 pages

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Dual

August

1976

Edition

721

Service

Manual

Dual

Gebrüder

Steidinger

•

7742

St.

GeorgenISchwarzwald

Download from www.dual.de

Not for commerical use

Specification2
Circuit Diagram3
Table of Contents5
Dual EDS 1000-2 Electronic Direct Drive System6
Description of Function8
Speed Regulation9
Assembly I Nstructions for Dual EDS 1000-210
Stroboscope10
Pitch Control11
Adjustment of Nominal Speeds11
Tonearm and Tonearm Suspension12
Removal of Tonearm from Bearing Frame12
Removal of Tonearm Assembly Vvith Tonearm Bearing12
Replacement of Spring Housing13
Adjustment of Tonearm Suspension13
Vertical Tonearm Control13
Antiskating Control13
Tonearm Control14
Cue Control14
Replacement of Cue Control Assembly14
Starting15
Manual Start16
Stopping16
Muli Ng Switch16
Continuous Play16
Pick-Up Head Not Parallel to Platter16
Shut-Off17
Stylus Slips out of Playing Groove17
Tonearm Does Not Set down at the Edge of the Record18
Tonearm Does Not Set down or Lowers Onto Record too Quickly18
Vertical Movement of Tonearm Dragging18
Tonearm Returns to Rest Immediately18
Tonearm Moves with Dials in Zero Position18
During Automatic Operation of Tonearm Disturbing Noises Are Perceptible18
Motor Does Not Shut-Off18
Acoustic Feedback18
Pick-Up Connection Diagram19
Spare Parts20
Exploded View - Parts above Chassis21
Exploded View - Parts below Chassis22
Spare Parts23
Lubricating I Nstructions25

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Operating Instructions23 pages

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Dual 721 Specifications

General

Brand	Dual
Model	721
Category	Turntable
Language	English

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