Page 1
Es gelten die Vorschriften und Sicherheitshin-
weise gemŠ§ dem Service Manual "Sicherheit",
Sach-Nummer 72010-800.00, sowie zusÅ tzlich
die eventuell abweichenden, landesspezifischen
Vorschriften!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.
1 - 2GRUNDIG Service
Allgemeiner Teil / General SectionR 23 DPL
Allgemeiner Teil
Me§gerŠte / Me§mittel
Trenntrafo, Me§sender, Stereocoder, Oszilloskop, Digitalvoltmeter,
NF-Voltmeter, Klirrfaktorme§gerŠt.
Beachten Sie bitte das GRUNDIG Me§technik-Programm, das Sie
unter folgender Adresse erhalten:
GRUNDIG Instruments
Test- und Me§systeme GmbH
WŸrzburger Str. 150, D-90766 FŸrth/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
g und Ã-PRO LOGICÕ sind Warenzei-
chen der Dolby Laboratories Licensing Corporation.
General Section
Test Equipment / Aids
Isolating Transformer, Test Generator, Stereo Coder, Oscilloscope,
Digital Voltmeter, AF-Voltmeter, Distortion Meter.
Please note the Grundig Catalog ÒTest and Measuring EquipmentÓ
obtainable from:
GRUNDIG Instruments
Test- und Me§systeme GmbH
WŸrzburger Str. 150, D-90766 FŸrth/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
g and Ã-PRO LOGICÕ are trademarks of
Dolby Laboratories Licensing Corporation.
©
Table of Contents
Page
General Section ................................ 1 - 2É1 - 9
Test Equipment / Aids ................................................................ 1 - 2
DPL Hint .................................................................................... 1 - 2
Technical Data .......................................................................... 1 - 3
Operating Instructions ................................................................ 1 - 5
Disassembly Instructions ........................................................... 1 - 7
Adjustment Procedures .............................. 2 - 2
Layout of the PCBs
and Circuit Diagrams ..................... 3 - 1É3 - 17
Block Diagram ............................................................................ 3 - 1
Circuit Diagrams:
Wiring Diagram ...................................................................... 3 - 2
Supply Board, Power Transformer, Volume Board,
Front Board, Power LED Board ............................................. 3 - 4
Main Board ............................................................................. 3 - 8
Tuner Board, Headphone Board, Tone Board,
VR LED Board, Power Switch Board, Center Rear Board,
Surround Board .................................................................... 3 - 12
FM Front-End ....................................................................... 3 - 16
IC Block Diagrams ................................................................... 3 - 16
Layout of the PCBs:
Supply Board, Volume Board, Front Board,
Power LED Board .................................................................. 3 - 6
Main Board ........................................................................... 3 - 10
Tuner Board, Headphone Board, Tone Board,
VR LED Board, Power Switch Board, Center Rear Board,
Surround Board .................................................................... 3 - 14
Spare Parts List and
Exploded View .................................. 4 - 1É4 - 3
Exploded View ........................................................................... 4 - 1
Spare Parts List ......................................................................... 4 - 2
d
Inhaltsverzeichnis
Seite
Allgemeiner Teil ............................... 1 - 2É1 - 9
Me§gerŠte / Me§mittel ............................................................... 1 - 2
DPL-Hinweis ............................................................................. 1 - 2
Technische Daten ..................................................................... 1 - 3
Bedienhinweise .......................................................................... 1 - 4
Ausbauhinweise ......................................................................... 1 - 7
Abgleichvorschriften .................................. 2 - 1
Platinenabbildungen
und SchaltplŠne ............................. 3 - 1É3 - 17
Blockschaltplan .......................................................................... 3 - 1
SchaltplÅ ne:
Verdrahtungsplan ................................................................... 3 - 2
Netzteilplatte, Netztrafo, LautstÅ rkeplatte, Frontplatte,
Power-LED-Platte .................................................................. 3 - 4
Hauptplatte ............................................................................. 3 - 8
Tuner-Platte, Kopfhšrerplatte, Klangreglerplatte,
LautstÅ rkerregler-LED-Platte, Netzschalterplatte,
Center-Rear-Platte, Surround-Platte .................................... 3 - 12
FM Front-End ....................................................................... 3 - 16
IC-Blockdiagramme ................................................................. 3 - 16
Platinenabbildungen:
Netzteilplatte, LautstÅ rkeplatte, Frontplatte,
Power-LED-Platte .................................................................. 3 - 6
Hauptplatte ........................................................................... 3 - 10
Tuner-Platte, Kopfhšrerplatte, Klangreglerplatte,
LautstÅ rkerregler-LED-Platte, Netzschalterplatte,
Center-Rear-Platte, Surround-Platte .................................... 3 - 14
Ersatzteilliste und
Explosionszeichnung ...................... 4 - 1É4 - 3
Explosionszeichnung ................................................................. 4 - 1
Ersatzteilliste .............................................................................. 4 - 2
Page 2
GRUNDIG Service1 - 3
Allgemeiner Teil / General Section R 23 DPL
Technische Daten
VerstÅ rker
Ausgangsleistung (acc. DIN 45500)
Musikleistung 4Ohm .......................................................... 2 x 150W
Sinusleistung 4Ohm ........................................................... 2 x 100W
ProLogic center, left, right ................................................. 3 x 100W
rear ........................................................................... 2 x 40W
Eingangsempfindlichkeit / Impedanz
Line in ................................................................... 250mV / 47kOhm
Klirrfaktor Sin. - 1dB, 8Ohm, 1kHz .......................................£ 0,05%
GerŠuschspannungsabstand .................................................³ 85dB
- bertragungsbereich (- 3dB) ...................................... 10...50.000Hz
DŠmpfungsfaktor 8Ohm, 1kHz ...................................................³ 65
Radio
Empfindlichkeit
Mono (S/N = 26dB) ..................................................................£ 2mV
Stereo (S/N = 46dB) ..............................................................£ 40mV
Klirrfaktor
Mono (1kHz, 40/75kHz dev.) .................................................£ 0,2%
Stereo (1kHz, 40/75kHz dev.) ................................................£ 0,5%
Frequenzbereich (± 3dB) ............................................ 20...15.000Hz
Nebenkanalempfindlichkeit ± 300kHz .................................... > 55dB
GerÅ uschspannungsabstand
40kHz dev., DIN A, Mono, 98MHz ............................................ 68dB
40kHz dev., DIN A, Stereo, 98MHz .......................................... 65dB
Empfangsbereich
FM (25kHz Schritte) ................................................ 87,5...108,0MHz
Spannungsversorgung
Betriebsspannung ................................................................... 230V~
Frequenz .............................................................................. 50/60Hz
max. Leistungsaufnahme ...................................................... < 500W
Leistungsaufnahme in Standby ................................................. < 5W
Abmessungen B x H x T .................................... 435 x 145 x 330mm
Gewicht ................................................................................ ca. 11kg
Technical Data
Amplifier part
Output power (acc. DIN 45500)
Music 4Ohm ....................................................................... 2 x 150W
Nominal 4Ohm ................................................................... 2 x 100W
ProLogic center, left, right ................................................. 3 x 100W
rear ........................................................................... 2 x 40W
Input sensitivity / impedance
Line in ................................................................... 250mV / 47kOhm
Distortion Nom. - 1dB, 8Ohm, 1kHz .....................................£ 0.05%
Signal-to-noise ratio ...............................................................³ 85dB
Frequency response (- 3dB) ....................................... 10...50,000Hz
Damping factor 8Ohm, 1kHz ......................................................³ 65
Tuner part
Sensitivity
Mono (S/N = 26dB) ..................................................................£ 2mV
Stereo (S/N = 46dB) ..............................................................£ 40mV
Distortion
Mono (1kHz, 40/75kHz dev.) .................................................£ 0.2%
Stereo (1kHz, 40/75kHz dev.) ................................................£ 0.5%
Frequency response (± 3dB) ...................................... 20...15,000Hz
Dynamic selectivity ± 300kHz ................................................ > 55dB
Signal-to-noise ratio
40kHz dev., DIN A, Mono, 98MHz ............................................ 68dB
40kHz dev., DIN A, Stereo, 98MHz .......................................... 65dB
Frequency ranges
FM (25kHz steps) .................................................... 87.5...108.0MHz
Power supply
Voltage .................................................................................... 230V~
Frequency ............................................................................ 50/60Hz
Max. power consumption ...................................................... < 500W
Standby power consumption ..................................................... < 5W
Dimensions W x H x D ....................................... 435 x 145 x 330mm
Weight ........................................................................... approx. 11kg
Notizen / Notes