Grundig PA 2 PA 3 Service Manual

Page 1

Allgemeiner Teil / General SectionPA 2 / PA 3 1 - 2GRUNDIG Service 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. GB Table of Contents Page General Section ............................ 1 - 2 É 1 - 39 Test Equipment ........................................................................\ .. 1 - 3 Technical Data ........................................................................\ ... 1 - 3 Disassembly Instructions ........................................................... 1 - 4 Operating Hints ........................................................................\ 1 - 28 Operations of the CDC-Mechanism ........................................ 1 - 35 Alignment Procedures ................... 2 - 5 É 2 - 8 Cassette Deck ........................................................................\ ... 2 - 5 Tuner ........................................................................\ ................. 2 - 7 Amplifier ........................................................................\ ............ 2 - 7 Circuit Diagrams and Layout of PCBs ..................... 3 - 1 É 3 - 55 Wiring Diagram PA 2 ................................................................. 3 - 1 Wiring Diagram PA 3 ................................................................. 3 - 4 Circuit Diagrams Main Board ................................................................. 3 - 7, 3 - 14 AUX Board ........................................................................\ ..... 3 - 7 Connection Board ....................................................... 3 - 7, 3 - 17 Headphone Board, Power Switch Board .............................. 3 - 14 Audio Board, Transformer Board, Light Board ..................... 3 - 17 Display Board, Key Boards, LED Board, Eject Board ....................................................... 3 - 24 Logic Board, Detector Board ................................................ 3 - 28 Tape Audio Board ................................................................. 3 - 36 Tuner ........................................................................\ ........... 3 - 40 CD Changer ........................................................................\ .. 3 - 50 Layout of PCBs Main Board ............................................................... 3 - 10, 3 - 12 AUX Board ........................................................................\ ... 3 - 10 Connection Board ..................................................... 3 - 10, 3 - 20 Headphone Board, Power Switch Board .............................. 3 - 12 Audio Board, Transformer Board, Light Board ..................... 3 - 20 Display Board, Key Boards, LED Board, Eject Board ....................................................... 3 - 22 Logic Board, Detector Board ................................................ 3 - 32 Tape Audio Board ................................................................. 3 - 34 Tuner ........................................................................\ ........... 3 - 46 CD Changer ........................................................................\ .. 3 - 47 Display ........................................................................\ ............ 3 - 44 IC Block Diagrams ................................................................... 3 - 53 Spare Parts Lists and Exploded Views ............................ 4 - 1 É 4 - 24 Exploded View PA 2 .................................................................. 4 - 1 Exploded View PA 2 - SFS ........................................................ 4 - 3 Exploded View PA 3 .................................................................. 4 - 5 Exploded View Loading ............................................................. 4 - 7 Spare Parts List PA 2 ................................................................ 4 - 8 Spare Parts List PA 2 - SFS .................................................... 4 - 13 Spare Parts List PA 3 .............................................................. 4 - 15 Exploded View CD Changer .................................................... 4 - 19 Spare Parts List CD Changer .................................................. 4 - 21 Exploded View Tape Deck ...................................................... 4 - 23 Spare Parts List Tape Deck TN 1800 D .................................. 4 - 24 D Inhaltsverzeichnis Seite Allgemeiner Teil ........................... 1 - 2 É 1 - 39 Me§gerŠte ........................................................................\ ........ 1 - 3 Technische Daten ...................................................................... 1 - 3 Ausbauhinweise ........................................................................\ . 1 - 4 Bedienhinweise ........................................................................\ 1 - 21 Funktionsbeschreibung des CDC-Laufwerks .......................... 1 - 35 Abgleichvorschriften ..................... 2 - 1 É 2 - 4 Cassettendeck ........................................................................\ ... 2 - 1 Tuner ........................................................................\ ................. 2 - 3 VerstŠrker ........................................................................\ ......... 2 - 3 SchaltplŠne und Druckplattenabbildungen ........... 3 - 1 É 3 - 55 Verdrahtungsplan PA 2 ............................................................. 3 - 1 Verdrahtungsplan PA 3 ............................................................. 3 - 4 SchaltplŠne Hauptplatte ................................................................. 3 - 7, 3 - 14 AUX-Platte ........................................................................\ ..... 3 - 7 Anschlu§platte ............................................................ 3 - 7, 3 - 17 Kopfhšrerplatte, Netzschalterplatte ...................................... 3 - 14 Audioplatte, Trafoplatte, Beleuchtungsplatte ....................... 3 - 17 Displayplatte, Tastenplatten, LED-Platte, Auswurftasten-Platte ......................................... 3 - 24 Logik-Platte, Detektor-Platte ................................................ 3 - 28 Cassetten-Analog-Platte ...................................................... 3 - 36 Tuner ........................................................................\ ........... 3 - 40 CD-Wechsler ........................................................................\ 3 - 50 Druckplattenabbildungen Hauptplatte ............................................................... 3 - 10, 3 - 12 AUX-Platte ........................................................................\ ... 3 - 10 Anschlu§platte .......................................................... 3 - 10, 3 - 20 Kopfhšrerplatte, Netzschalterplatte ...................................... 3 - 12 Audioplatte, Trafoplatte, Beleuchtungsplatte ....................... 3 - 20 Displayplatte, Tastenplatten, LED-Platte, Auswurftasten-Platte ......................................... 3 - 22 Logik-Platte, Detektor-Platte ................................................ 3 - 32 Cassetten-Analog-Platte ...................................................... 3 - 34 Tuner ........................................................................\ ........... 3 - 46 CD-Wechsler ........................................................................\ 3 - 47 Display ........................................................................\ ............ 3 - 44 IC-Innenbeschaltungen ........................................................... 3 - 53 Ersatzteillisten und Explosionszeichnungen ............... 4 - 1 É 4 - 24 Explosionszeichnung PA 2 ........................................................ 4 - 1 Explosionszeichnung PA 2 - SFS .............................................. 4 - 3 Explosionszeichnung PA 3 ........................................................ 4 - 5 Explosionszeichnung Loading ................................................... 4 - 7 Ersatzteilliste PA 2 ..................................................................... 4 - 8 Ersatzteilliste PA 2 - SFS ........................................................ 4 - 13 Ersatzteilliste PA 3 ................................................................... 4 - 15 Explosionszeichnung CD-Wechsler ........................................ 4 - 19 Ersatzteilliste CD-Wechsler ..................................................... 4 - 21 Explosionszeichnung Cassettenlaufwerk ................................ 4 - 23 Ersatzteilliste Cassettenlaufwerk TN 1800 D .......................... 4 - 24

Page 2

PA 2 / PA 3Allgemeiner Teil / General Section GRUNDIG Service 1 - 3 Allgemeiner Teil Me§gerÅ te / Me§mittel FrequenzzÅ hler, NF-Voltmeter, NF-Generator, Klirranalysator, TonhÅ¡henschwankungsmesser, Cr-Testcassette 448 A, Drehmoment- cassette 456, Wobbler, Me§sender, Stereocoder, Tongenerator, Os- zilloskop, Digitalvoltmeter Beachten Sie bitte das GRUNDIG Me§technik-Programm, das Sie unter folgender Adresse erhalten: GRUNDIG electronics GmbH WŸrzburger Str. 150 D-90766 FŸrth/Bay Tel. 0911/703-0, Fax 0911/703-4479 General Section Test Equipment / Aids Frequency Counter, AF Voltmeter, AF Generator, Distortion Analyzer, Wow and Flutter Meter, Cr Test Cassette 448 A, Torque Test Cassette 456, Sweep Generator, Test Generator, Stereo Coder, AF Generator, Oscilloscope, Digital Voltmeter Please note the Grundig Catalog Ã’Test and Measuring EquipmentÓ obtainable from:GRUNDIG electronics GmbH WŸrzburger Str. 150 D-90766 FŸrth/Bay Tel. 0911/703-0, Fax 0911/703-4479 Technical Data Amplifier Output power (DIN45500): Nominal power .................................................................. 160W Music power ...................................................................... 300W Distortion: Nominal power -1dB, 1kHz ............................... £ 0.008% Signal-to-noise ratio ............................................................. ³ 100dB Power bandwidth ..................................................... 10Hz É 100kHz Frequency response Line in ................................................................. 5Hz É 100kHz Phono ................................................................. 20Hz É 30kHz Input sensitivity / impedance ...................................... 180mV / 47k W Damping factor (8 W, 1kHz) ...................................................... > 100 Tuner Sensitivity Mono (S/N = 26dB) ........................................................... 1.1 mV Stereo (S/N = 46dB) ........................................................... 35 mV Distortion Mono (1kHz, 40 / 75kHz dev.) ..................................... 0.2 / 0.4% Stereo (1kHz, 40 / 75kHz dev.) ................................... 0.4 / 0.7% Frequency response (-3dB) ....................................... 10Hz É 15kHz Stereo Crosstalk (1kHz) ........................................................... 40dB Dynamic selectivity (mono, stereo, ± 300kHz) ............................................... 60/60dB Signal-to-noise ratio Mono 40kHz dev., DIN A ..................................................... 74dB Stereo 40kHz dev., DIN A ................................................... 70dB Frequency ranges FM (25kHz steps) ........................................... 87.5 É 108.0MHz MW (9kHz steps) ............................................... 528 É 1605kHz CD changer Number of discs ........................................................................\ ....... 7 Frequency response ( ± 0.5dB) .................................. 20Hz É 20kHz Distortion (0dB, 1kHz) .............................................................. 0.01% Intermodulation (DIN A 60Hz / 7kHz, 4:1) ............................... 0.02% Cassette deck Frequency response .................................................. 40Hz É 16kHz Signal-to-noise ratio (IEC wtd., Cr) Dolby B ........................................................................\ ....... 64dB Dolby off ........................................................................\ ..... 56dB Wow & Flutter (IEC wtd.) ........................................................ 0.13% Stereo Crosstalk (1kHz) ........................................................... 40dB Input voltage/impedance ..................................... 115mV / 270kOhm Output voltage/impedance .................................... 750mV / 2.7kOhm System Power supply: Mains voltage ................................................................... 230V~ Mains frequency ............................................................ 50/60Hz Maximum power consumption ........................................ < 380W Standby power consumption .............................................. ~ 1W Technische Daten VerstÅ rker Ausgangsleistung (DIN45500): Sinusleistung ..................................................................... 160W Musikleistung ..................................................................... 300W Klirrfaktor: Sinusleistung -1dB, 1kHz .................................. £ 0,008% GerÅ uschspannungsabstand ................................................ ³ 100dB Leistungsbandbreite ................................................ 10Hz É 100kHz - bertragungsbereich Line in ................................................................. 5Hz É 100kHz Phono ................................................................. 20Hz É 30kHz Eingangsempfindlichkeit/Impedanz ............................ 180mV / 47k W DÅ mpfungsfaktor (8 W, 1kHz) ................................................... > 100 Tuner Empfindlichkeit Mono (S/N = 26dB) ........................................................... 1,1 mV Stereo (S/N = 46dB) ........................................................... 35 mV Klirrfaktor Mono (1kHz, 40 / 75kHz Hub) ..................................... 0,2 / 0,4% Stereo (1kHz, 40 / 75kHz Hub) ................................... 0,4 / 0,7% Frequenzbereich (-3dB) ............................................. 10Hz É 15kHz Stereo Crosstalk (1kHz) ........................................................... 40dB Dynamische TrennschÅ rfe (mono, stereo, ± 300kHz) ............................................... 60/60dB GerÅ uschspannungsabstand Mono 40kHz Hub, DIN A ..................................................... 74dB Stereo 40kHz Hub, DIN A ................................................... 70dB Empfangsbereich FM (25kHz) ..................................................... 87,5 É 108,0MHz MW (9kHz) ........................................................ 528 É 1605kHz CD Wechsler Anzahl der CDs ........................................................................\ ........ 7 Frequenzgang ( ± 0.5dB) ............................................ 20Hz É 20kHz Klirrfaktor (0dB, 1kHz) ............................................................. 0,01% Intermodulation (DIN A 60Hz / 7kHz, 4:1) ............................... 0,02% Cassetten Deck Frequenzbereich ........................................................ 40Hz É 16kHz GerÅ uschspannungsabstand (IEC wtd., Cr) Dolby B ........................................................................\ ....... 64dB Dolby aus ........................................................................\ ... 56dB Gleichlaufschwankungen (IEC wtd.) ...................................... 0,13% Stereo Crosstalk (1kHz) ........................................................... 40dB Eingangsspannung/Eingangswiderstand ............ 115mV / 270kOhm Ausgangsspannung/Ausgangswiderstand ........... 750mV / 2,7kOhm System Spannungsversorgung: Betriebsspannung ............................................................ 230V~ Frequenz ....................................................................... 50/60Hz max. Leistungsaufnahme ............................................... < 380W Leistungsaufnahme in Standby ........................................... ~ 1W