Grundig M 19 C M 29 C Service Manual

Page 1

1 - 2GRUNDIG Service Allgemeiner Teil / General Section M 19-C / M 29-C Es gelten die Vorschriften und Sicherheitshin- weise gemŠ§ dem Service Manual "Sicherheit", Materialnummer 72010 800 0000, sowie zusŠtz- lich die eventuell abweichenden, landes- spezifischen Vorschriften!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! T able of Contents Page General Notes .............................................. 1 - 2 General Section ............................ 1 - 3 É 1 - 21 Technical Data ........................................................................\ ... 1 - 3 Operating Instructions ................................................................ 1 - 9 Disassembly Instructions ......................................................... 1 - 15 Adjustment Procedures .................. 2 - 3 ... 2 - 4 Layout of the PCBs and Circuit Diagrams ................... 3 - 1 É 3 - 41 Block Diagram ........................................................................\ .... 3 - 1 Wiring Diagram ........................................................................\ .. 3 - 2 Circuit Diagrams: Mains Unit Board .................................................................... 3 - 4 CD Key Board, Control Board .............................................. 3 - 10 Headphone Board, Main Board ............................................ 3 - 14 Tuner Part ........................................................................\ .... 3 - 20 Amplifier Board ..................................................................... 3 - 24 Cassette Board .................................................................... 3 - 30 CD Board ........................................................................\ ..... 3 - 34 Display ........................................................................\ ............... 3 - 6 Layout of the PCBs: Mains Unit Board .................................................................... 3 - 6 CD Key Board, Control Board ................................................ 3 - 8 Headphone Board, Main Board ............................................ 3 - 18 Amplifier Board, Cassette Board .......................................... 3 - 28 CD Board ........................................................................\ ..... 3 - 32 IC Block Diagrams ................................................................... 3 - 36 Spare Parts Lists and Exploded Views ............................ 4 - 1 É 4 - 10 Inhaltsverzeichnis Seite Allgemeine Hinweise .................................. 1 - 2 Allgemeiner Teil ........................... 1 - 3 É 1 - 21 Technische Daten ...................................................................... 1 - 3 Bedienhinweise ........................................................................\ .. 1 - 4 Ausbauhinweise ....................................................................... 1 - 15 Abgleichvorschriften ...................... 2 - 1 ... 2 - 2 Platinenabbildungen und SchaltplŠne ........................... 3 - 1 É 3 - 41 Blockschaltplan ........................................................................\ .. 3 - 1 Verdrahtungsplan ....................................................................... 3 - 2 SchaltplŠne: Netzteilplatte ........................................................................\ .. 3 - 4 CD-Tastenplatte, Steuerplatte .............................................. 3 - 10 Kopfhšrerplatte, Hauptplatte ................................................ 3 - 14 Tuner-Teil ........................................................................\ ..... 3 - 20 VerstŠrkerplatte .................................................................... 3 - 24 Cassetten-Platte ................................................................... 3 - 30 CD-Platte ........................................................................\ ...... 3 - 34 Display ........................................................................\ ............... 3 - 6 Platinenabbildungen: Netzteilplatte ........................................................................\ .. 3 - 6 CD-Tastenplatte, Steuerplatte ................................................ 3 - 8 Kopfhšrerplatte, Hauptplatte ................................................ 3 - 18 VerstŠrkerplatte, Cassetten-Platte ....................................... 3 - 28 CD-Platte ........................................................................\ ...... 3 - 32 IC-Blockdiagramme ................................................................. 3 - 36 Ersatzteillisten und Explosionszeichnungen .............. 4 - 1 É 4 - 10 Allgemeine Hinweise Materialnummern Durch die EDV-Umstellung wurden die bisherigen 10-stelligen Materialnummern auf 12-stellige geŠndert. Beispiel: bisher: 29504-111.22 neu: 29504 111 22 00 WŠhrend der Umstellphase kšnnen im Service Manual beide Schreibweisen vorkommen. Me§gerŠte Beachten Sie bitte das GRUNDIG Me§technik-Programm, das Sie unter folgender Adresse erhalten: General Notes Part Numbers Due to the conversion of the EDP system, the previous 10-digit part numbers were change to 12-digit numbers. Example: previous: 29504-111.22 new: 29504 111 22 00 During the conversion of the system, either form may be found in the Service Manual. Test Equipment Please note the GRUNDIG Catalog "Test and Measuring Equipment" obtainable from: Grundig AG GeschŠftsbereich Instruments Test- und Me§systeme WŸrzburger Str. 150, D-90766 FŸrth Tel.: 0911 / 703-4118, Fax: 0911 / 703-4130 eMail: instruments@grundig.de, Internet: http://www.grundig-instruments.de

Page 2

GRUNDIG Service1 - 3 Allgemeiner Teil / General Section M 19-C / M 29-C Allgemeiner Teil Technische Daten VERST-‚¬RKER Musikleistung M19-C......................................................... 2 x 60W M29-C ....................................................... 2 x 100W Sinusleistung M19-C......................................................... 2 x 30W M29-C ......................................................... 2 x 50W Bandbreite der Ausgangsleistung ............................ 40É20000Hz Frequenzgang .......................................................... 40É20000Hz Signal-StÅ¡rabstand (bewertet) ............................................. ³ 75dB Eingangsempfindlichkeit Aux .............................................. 400mV Lautsprecher ........................................................................\ ...... 8 W KopfhÅ¡rer (¿ 3,5mm) .................................................... 32É1000 W TUNER FM-Wellenbereich (UKW) ....................................... 87,5É108MHz MW-Wellenbereich (9-kHz-Raster) .......................... 531É1620kHz LW-Wellenbereich ..................................................... 146É290kHz Empfindlichkeit bei 75 W UKW-Mono, 26dB StÅ¡rabstand ............................................ 2 mV UKW-Stereo, 46dB StÅ¡rabstand ......................................... 40 mV CD-SPIELER Frequenzbereich ...................................................... 20É20000Hz Signal-StÅ¡rabstand (bewertet) ............................................. ³ 86dB Klirrfaktor ........................................................................\ ... < 0,05% CASSETTENDECK Frequenzbereich CrO2-Cassette (Typ II) ............................. 80É12500Hz ( ± 8dB) Signal-StÅ¡rabstand (bewertet) ............................................. ³ 50dB Gleichlaufschwankungen ............................................... £ ± 0,25% GEH-‚¬USE Material / OberflÅ che ..................................... Polystyrol und Metall Abmessungen (B x H x T) ............................... 280 x 310 x 360mm Gewicht / mit Lautsprechern ....................................... ca. 11 / 17kg General Section Technical Data AMPLIFIERMusic power M19-C...................................................... 2 x 60W M29-C .................................................... 2 x 100W Nominal power M19-C...................................................... 2 x 30W M29-C ...................................................... 2 x 50W Power band width ..................................................... 40É20000Hz Frequency response ................................................. 40É20000Hz Signal-to-noise ratio (weighted) ........................................... ³ 75dB Input sensitivity Aux ............................................................. 400mV Speakers ........................................................................\ ............ 8 W Headphones (¿ 3.5mm) ............................................... 32É1000 W TUNER FM wave range ....................................................... 87.5É108MHz MW wave range (9kHz Grid) ................................... 531É1620kHz LW wave range ......................................................... 146É290kHz Sensitivity at 75 W FM mono, 26dB S/N ............................................................. 2 mV FM Stereo, 46dB S/N ......................................................... 40 mV CD PLAYER Frequency range ...................................................... 20É20000Hz Signal-to-noise ratio (weighted) ........................................... ³ 86dB Total harmonic distortion ................................................... < 0.05% CASSETTE DECK Frequency range CrO2 tape (type II) .................................... 80É12500Hz ( ± 8dB) Signal-to-noise ratio (weighted) ........................................... ³ 50dB Wow and flutter ............................................................... £ ± 0.25% CABINET Material / finish ............................................ Metal and polystyrene Dimensions (w x h x d) .................................... 280 x 310 x 360mm Net weight / with speakers .................................. approx. 11 / 17kg