Dual C 844 - Service Manual

Service
Anleitung
Service -
Manual
Informations de
Service
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INHALT
CONTENTS
SOMMAIRE
Seite/Page
2
Funktionsbeschreibung
5
Functional
description
8
Description du
conctionnement
11
Blockschaltbild
Bloc
diagram
Schema
de bloc
13
Abgleichanleitung
Alignment
instructions
Instructions
de
alignement
15/16
Abgleichpositionen
Alignment
positions
Positions
de
alignement
17 — 22
Schaltbild
Wiring
diagram
Schörna de
electrique
23/24
IC-Blockdiagramm
IC -bloc
diagram
Schäma de
bloc IC
25 — 27
Verdrahtungsplan
Wiring schema
Schäma de
cäble
28
—
32 Printplatten
Printed
circuit boards
Plaques de
inscription
32 Technische
Daten
Technical data
Caractäristiques
techniques
33 — 39
Ersatzteile mit
Replacement
with
Piece
dätaches et
vues
Explosionsdarstellung
exploded views
explosäes
40
RE 122 /
RC 144
RE 122 / RC
144
RE 122 /
RC 144
Schaltbild
VViring
diagram
Schäma de
älectrique
Dual
Gebrüder
Steidinger
GmbH & Co. • 7742 St.
Georgen/Schwarzwald
920 776-2 9,5/0382
Printed in
Germany by
Dual
Download from www.dual.de
Not for commercial use

Summary

Functional Description

Playback and Recording Operations

Details playback and recording processes, including Dolby and level controls.

Special Features Overview

Describes Music Finder, Fade Edit, Monitor, Muting, and Auto-Space.

Device Control System

Processor, Inputs, and DLL

Explains the microprocessor control, input handling, and optical sensor system.

Remote Control and Pulse Diagrams

Processing of IR signals and pulse diagrams for processor signals.

Adjustment and Calibration Procedures

Mechanical, Level, and RF Adjustments

Comprehensive calibration of mechanical, level, RF, and recording circuits.

Service Information and Schematics

Processor Pin Assignment and Schematics

Pinout for the processor and schematic diagrams for key circuits.

Parts, Data, and Modifications

Lists of parts, technical data, exploded views, and service modification bulletins.

Dual C 844 Specifications