Grundig R 23 DPL Service Manual
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Page 1
Es gelten die Vorschriften und Sicherheitshin- weise gemŠ§ dem Service Manual "Sicherheit", Sach-Nummer 72010-800.00, sowie zusŠtzlich 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 ÔPRO 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 ÔPRO 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 SchaltplŠne: Verdrahtungsplan ................................................................... 3 - 2 Netzteilplatte, Netztrafo, LautstŠrkeplatte, Frontplatte, Power-LED-Platte .................................................................. 3 - 4 Hauptplatte ............................................................................. 3 - 8 Tuner-Platte, Kopfhšrerplatte, Klangreglerplatte, LautstŠrkerregler-LED-Platte, Netzschalterplatte, Center-Rear-Platte, Surround-Platte .................................... 3 - 12 FM Front-End ....................................................................... 3 - 16 IC-Blockdiagramme ................................................................. 3 - 16 Platinenabbildungen: Netzteilplatte, LautstŠrkeplatte, Frontplatte, Power-LED-Platte .................................................................. 3 - 6 Hauptplatte ........................................................................... 3 - 10 Tuner-Platte, Kopfhšrerplatte, Klangreglerplatte, LautstŠrkerregler-LED-Platte, Netzschalterplatte, Center-Rear-Platte, Surround-Platte .................................... 3 - 14 Ersatzteilliste und Explosionszeichnung ...................... 4 - 1É4 - 3 Explosionszeichnung ................................................................. 4 - 1 Ersatzteilliste .............................................................................. 4 - 2
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GRUNDIG Service1 - 3 Allgemeiner Teil / General Section R 23 DPL Technische Daten VerstŠrker 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 GerŠuschspannungsabstand 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