Allgemeiner Teil; General Section - Grundig R 21 Serviceanleitung

Allgemeiner Teil / General Section
Es gelten die Vorschriften und Sicherheitshin-
weise gemäß dem Service Manual "Sicherheit",
Sach-Nummer 72010-800.00, sowie zusätzlich
die eventuell abweichenden, landesspezifischen
Vorschriften!
d
Inhaltsverzeichnis

Allgemeiner Teil ............................... 1 - 2...1 - 9

Meßgeräte / Meßmittel ............................................................... 1 - 2
DPL-Hinweis ............................................................................. 1 - 2
Technische Daten ..................................................................... 1 - 3
Bedienhinweise .......................................................................... 1 - 4
Ausbauhinweise ......................................................................... 1 - 8
Abgleichvorschriften .................................. 2 - 1
Platinenabbildungen
und Schaltpläne ............................. 3 - 1...3 - 23
Blockschaltplan R 21 ................................................................. 3 - 1
Schaltpläne R 21:
Hauptschaltplan ..................................................................... 3 - 2
Tuner-Platte, Front-Platte ....................................................... 3 - 4
Netzteilplatte, Netzschalterplatte, Netztrafo,
Power-LED-Platte .................................................................. 3 - 6
Kopfhörerplatte, NTC-Platte, Sub-Platte, FM Front-End ........ 3 - 7
Verdrahtungsplan R 21 .............................................................. 3 - 8
IC-Blockdiagramme ................................................................... 3 - 9
Blockschaltplan R 22 ............................................................... 3 - 11
Schaltpläne R 22:
Hauptschaltplan ................................................................... 3 - 12
Tuner-Platte, Front-Platte ..................................................... 3 - 14
Netzteilplatte, Netzschalterplatte, Netztrafo, FM Front-End,
Power-LED-Platte, Kopfhörerplatte, NTC-Platte .................. 3 - 16
Verdrahtungsplan R 22 ............................................................ 3 - 18
Platinenabbildungen:
Sub-Platte, NTC-Platte, Power-LED-Platte, Netzteilplatte,
Netzschalterplatte, Kopfhörerplatte, Tuner-Platte,
Front-Platte, Hauptplatte ...................................................... 3 - 19
Ersatzteillisten und
Explosionszeichnungen .................. 4 - 1...4 - 5
Explosionszeichnungen ............................................................. 4 - 1
Ersatzteillisten ............................................................................ 4 - 3
Allgemeiner Teil
Meßgeräte / Meßmittel
Beachten Sie bitte das GRUNDIG Meßtechnik-Programm, das Sie
unter folgender Adresse erhalten:
GRUNDIG Instruments
Test- und Meßsysteme GmbH
Würzburger Str. 150, D-90766 Fürth/Bay
Tel. 0911/703-4118, Telefax 0911/703-4130
DPL-Hinweis
Dolby Pro Logic hergestellt unter Lizenz von Dolby Laboratories
Licensing Corporation.
DOLBY, das Doppel-D-Symbol
chen der Dolby Laboratories Licensing Corporation.
1 - 2
Seite
und 'PRO LOGIC' sind Warenzei-
The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manual,
part number 72010-800.00, as well as the
respective national deviations.
©
Table of Contents

General Section ................................ 1 - 2...1 - 9

Test Equipment / Aids ................................................................ 1 - 2
DPL Hint .................................................................................... 1 - 2
Technical Data .......................................................................... 1 - 3
Operating Instructions ................................................................ 1 - 6
Disassembly Instructions ........................................................... 1 - 8
Adjustment Procedures .............................. 2 - 2
Layout of the PCBs
and Circuit Diagrams ..................... 3 - 1...3 - 23
Block Diagram R 21 ................................................................... 3 - 1
Circuit Diagrams R 21:
Main Board ............................................................................. 3 - 2
Tuner Board, Front Board ...................................................... 3 - 4
Supply Board, Power Switch Board, Power Transformer,
Power LED Board .................................................................. 3 - 6
Headphone Board, NTC Board, Sub Board, FM Front-End ... 3 - 7
Wiring Diagram R 21 ................................................................. 3 - 8
IC Block Diagrams ..................................................................... 3 - 9
Block Diagram R 22 ................................................................. 3 - 11
Circuit Diagrams R 22:
Main Board ........................................................................... 3 - 12
Tuner Board, Front Board .................................................... 3 - 14
Supply Board, Power Switch Board, Power Transformer,
FM Front-End, Power LED Board, Headphone Board,
NTC Board ........................................................................... 3 - 16
Wiring Diagram R 22 ............................................................... 3 - 18
Layout of the PCBs:
Sub Board, NTC Board, Power LED Board, Supply Board,
Power Switch Board, Headphone Board, Tuner Board,
Front Board, Main Board ...................................................... 3 - 19
Spare Parts Lists and
Exploded Views ................................ 4 - 1...4 - 5
Exploded Views ......................................................................... 4 - 1
Spare Parts Lists ........................................................................ 4 - 3
General Section
Test Equipment / Aids
Please note the Grundig Catalog "Test and Measuring Equipment"
obtainable from:
GRUNDIG Instruments
Test- und Meßsysteme GmbH
Würzburger Str. 150, D-90766 Fürth/Bay
Tel. 0911/703-4118, Telefax 0911/703-4130
DPL Hint
Dolby Pro Logic manufactured under license from Dolby Laboratories
Licensing Corporation.
DOLBY, the double-D symbol
Dolby Laboratories Licensing Corporation.
R 21 / R 22 DPL
Page
and 'PRO LOGIC' are trademarks of
GRUNDIG Service