Allgemeiner Teil / General Section
GDV Modul 1
2
GRUNDIG Service
"Dolby", "Dolby Pro Logic", "AC 3" ist gefertigt unter Lizenz von Dolby Laboratories
Licensing Corporation.
"Dolby", "Dolby Pro Logic", "AC 3" und das Doppel-D-Symbol "
ij
" sind Warenzeichen
der Dolby Laboratories Licensing Corporation. Copyright 1992 Dolby Laboratories,
Inc. Alle Rechte vorbehalten.
"Dolby", "Dolby Pro Logic", "AC 3" manufactured under license from Dolby Laboratories
Licensing Corporation.
"Dolby", "Dolby Pro Logic", "AC 3" and the double-D symbol "
ij
" are trademarks of
the Dolby Laboratories Licensing Corporation. Copyright 1992 Dolby Laboratories,
Inc. All rights reserved.
Inhaltsverzeichnis
Seite
Allgemeiner Teil ........................................ 2…4
Einführung ....................................................................................... 2
Messgeräte ..................................................................................... 2
Servicehinweis ................................................................................ 3
Ausbauhinweise .............................................................................. 3
Fehlersuchanleitung .................................. 5…6
DVD-Monoboard ............................................................................. 5
Platinenabbildungen
und Schaltpläne ....................................... 8…28
Oszillogramme ................................................................................ 8
DVD-Monoboard ............................................................................. 9
• Messpunkte .................................................................................. 9
• Signal-Prozessor, Laser- und Laufwerksteuerung ..................... 15
• Servo .......................................................................................... 17
• Decoder ..................................................................................... 19
• Speicher ..................................................................................... 21
• Prozessor und Decoder ............................................................. 23
• Audio/Video ................................................................................ 25
Blockschaltpläne .......................................................................... 27
Explosionszeichnungen
und Ersatzteillisten ................................ 29…30
Table of Contents
Page
General Section .......................................... 2…4
Introduction ..................................................................................... 2
Test Equipment ............................................................................... 2
Service Instruction .......................................................................... 3
Disassemly Instructions .................................................................. 3
Test Instructions ........................................ 6…7
DVD-Monoboard ............................................................................ 6
Layout of the PCBs
and Circuit Diagrams ............................... 8…28
Oscillograms ................................................................................... 8
DVD-Monoboard ............................................................................. 9
• Test Points ................................................................................... 9
• Signal Processor, Laser and Drive Control ................................ 15
• Servo .......................................................................................... 17
• Decoder ..................................................................................... 19
• Memory ...................................................................................... 21
• Processor and Decoder ............................................................. 23
• Audio/Video ................................................................................ 25
Block Circuit Diagrams .................................................................. 27
Exploded Views and
Spare Parts Lists .................................... 29…30
General Section
Introduction
This Supplement Service Manual describes a variant of the drive
mechanism of the GDV Modul 1 (see Page 4, Fig. 1).
Note:
Basic instructions for servicing are given in the following Service
Manuals:
– Service Manual Safety, Part Number 720108000000
– Service Manual GDV Modul 1, Part Number 720100279000
Test Equipment
Variable isolating transformer, Dual channel oscilloscope,
Digital multimeter
Please note the Grundig Catalog "Test and Measuring Equipment"
obtainable from:
Allgemeiner Teil
Einführung
In dieser Service-Manual-Ergänzung ist eine Laufwerksvariante (sie-
he Seite 4, Fig. 1) des GDV Modul 1 dokumentiert.
Hinweis:
Grundlage für den Service sind folgende Service Manuals:
– Service Manual Sicherheit, Materialnummer 720108000000
– Service Manual GDV Modul 1, Materialnummer 720100279000
Messgeräte
Regeltrenntrafo, Zweikanaloszilloskop, Digitalmultimeter
Beachten Sie bitte das Grundig Messtechnik-Programm, das Sie unter
folgender Adresse erhalten:
Würzburger Str. 150, D 90766 Fürth
Tel.: 0911 / 703-4540; Fax: 0911 / 703-4130
eMail: instruments@grundig.com