Inhaltsverzeichnis
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Allgemeiner Teil / General Section
Es gelten die Vorschriften und Sicherheitshin-
weise gemäß dem Service Manual "Sicherheit",
Materialnummer 72010 800 0000, sowie zusätz-
lich die eventuell abweichenden, landes-
spezifischen Vorschriften!
Inhaltsverzeichnis
Allgemeiner Teil ........................... 1 - 2 ... 1 - 12
Messgeräte/Messmittel .............................................................. 1 - 2
Service-Hinweise ....................................................................... 1 - 3
Technische Daten ...................................................................... 1 - 3
Bedienhinweise .......................................................................... 1 - 4
Ausbauhinweise ......................................................................... 1 - 8
Abgleichvorschriften ...................... 2 - 1 ... 2 - 3
und Schaltpläne ........................... 3 - 1 ... 3 - 26
IC-Blockdiagramme ................................................................... 3 - 1
Verdrahtungsplan ....................................................................... 3 - 3
Schaltpläne:
CPU-Platte, Tastenplatte - RR 740 CD ................................. 3 - 5
CPU-Platte, Tastenplatte - RR 770 CD ................................. 3 - 9
Verstärkerplatte, Gleichrichterplatte,
Kopfhörerplatte - RR 740 CD .............................................. 3 - 11
Verstärkerplatte, Gleichrichterplatte,
Kopfhörerplatte - RR 770 CD .............................................. 3 - 15
Funktionsplatte - RR 740 CD .............................................. 3 - 17
Funktionsplatte - RR 770 CD .............................................. 3 - 19
Tuner-Platte, DSC-Schalterplatte,
Stereo/Mono-Schalter-Platte - RR 740 CD / RR 770 CD .......... 3 - 21
CD-Servo-Platte, CD-LED-Platte - RR 740 CD / RR 770 CD .... 3 - 25
Platinenabbildungen:
CPU-Platte,Tastenplatte - RR 740 CD ................................. 3 - 7
CPU-Platte,Tastenplatte - RR 770 CD ................................. 3 - 8
Verstärkerplatte, Kopfhörerplatte,
Gleichrichterplatte - RR 740 CD ............................................ 3 - 13
Verstärkerplatte, Kopfhörerplatte,
Gleichrichterplatte - RR 770 CD ............................................ 3 - 14
Funktionsplatte - RR 740 CD .............................................. 3 - 18
Funktionsplatte - RR 770 CD .............................................. 3 - 20
Tuner-Platte - RR 740 CD / RR 770 CD .................................. 3 - 23
Stereo/Mono-Schalter-Platte - RR 740 CD / RR 770 CD .......... 3 - 23
CD-LED-Platte - RR 740 CD / RR 770 CD .............................. 3 - 23
DSC-Schalterplatte - RR 740 CD / RR 770 CD ........................ 3 - 23
CD-Servo-Platte - RR 740 CD / RR 770 CD ............................ 3 - 24
Explosionszeichnungen und
Ersatzteillisten ................................ 4 - 1 ... 4 - 6
Allgemeiner Teil
Messgeräte/Messmittel
Frequenzzähler, NF-Voltmeter, Tonhöhenschwankungsmesser,
Messsender, Wobbelsender, Oszilloskop, Digitalvoltmeter, FE-
Testcassette 3150Hz/8000Hz, Test-CD (z.B. 5A)
Beachten Sie bitte das GRUNDIG Messtechnik-Programm, das Sie
unter folgender Adresse erhalten:
1 - 2
Seite
GRUNDIG Instruments Test- und Messsysteme GmbH
Würzburger Str. 150, D 90766 Fürth/Bay
Tel. 0911/703-4118, Fax 0911/703-4130
eMail: instruments@grundig.de, Internet: http://www.grundig-instruments.de
The regulations and safety instructions shall be
valid as provided by the "Safety" Service Manual,
part number 72010 800 0000, as well as the
respective national deviations!
Table of Contents
General Section ............................ 1 - 2 ... 1 -
Measuring Instruments/Equipment ............................................ 1 - 2
Service Hints .............................................................................. 1 - 3
Technical Data ........................................................................... 1 - 3
Operating Hints .......................................................................... 1 - 6
Disassembly Instructions ........................................................... 1 - 8
Adjustment Procedures .................. 2 - 4 ... 2 - 6
Layout of the PCBs
and Circuit Diagrams ................... 3 - 1 ... 3 - 26
IC Block Diagrams ..................................................................... 3 - 1
Wiring Diagram .......................................................................... 3 - 3
Circuit Diagrams:
CPU Board, Key Board - RR 740 CD .................................... 3 - 5
CPU Board, Key Board - RR 770 CD .................................... 3 - 9
Amplifier Board, Rectifier Board,
Headphone Board - RR 740 CD .......................................... 3 - 11
Amplifier Board, Rectifier Board,
Headphone Board - RR 770 CD .......................................... 3 - 15
Function Board - RR 740 CD .............................................. 3 - 17
Function Board - RR 770 CD .............................................. 3 - 19
Tuner Board, DSC Switch Board,
Stereo/Mono Switch Board - RR 740 CD / RR 770 CD ............. 3 - 21
CD Servo Board, CD LED Board - RR 740 CD / RR 770 CD .... 3 - 25
Layout of the PCBs:
CPU Board, Key Board - RR 740 CD ................................... 3 - 7
CPU Board, Key Board - RR 770 CD ................................... 3 - 8
Amplifier Board, Headphone Board,
Rectifier Board - RR 740 CD .................................................. 3 - 13
Amplifier Board, Headphone Board,
Rectifier Board - RR 770 CD .................................................. 3 - 14
Function Board - RR 740 CD .............................................. 3 - 18
Function Board - RR 770 CD .............................................. 3 - 20
Tuner Board - RR 740 CD / RR 770 CD ................................... 3 - 23
Stereo/Mono Switch Board - RR 740 CD / RR 770 CD ............. 3 - 23
CD LED Board - RR 740 CD / RR 770 CD .............................. 3 - 23
DSC Switch Board - RR 740 CD / RR 770 CD ......................... 3 - 23
CD Servo Board- RR 740 CD / RR 770 CD ............................. 3 - 24
Exploded Views and
Spare Parts Lists ............................ 4 - 1 ... 4 - 6
General Section
Measuring Instruments/Equipment
Frequency counter, AF voltmeter, Wow and flutter meter, Signal
generator, Sweep generator, Oscilloscope, Digital voltmeter, FE Test
cassette 3150Hz/8000Hz, Test CD (e.g. 5A)
Please note the GRUNDIG Catalog "Test and Measuring Equipment"
obtainable from:
RR 740 CD / RR 770 CD
Page
12
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