GrundigM100T 维修电路图、原理图.pdf

M 100-TAllgemeiner Teil / General Section GRUNDIG Service1 - 1 Service Manual M 100-T Sach-Nr./Part No. 72010-750.60 Service Manual Sicherheit Safety Sach-Nr./Part No. 72010-800.00 Zustzlich erforder- liche Unterlagen fr den Komplettservice: Additionally required Service Manuals for the Complete Service: SERVICE MANUAL nderungen vorbehaltenPrinted in GermanyService Manual Sach-Nr. Subject to alterationVK 233 0896Service Manual Part No.72010-750.60 MUTINGMONOAUTOCABLE byby POWERPOWER M100-TM100-T MEMORY BAND IF/MONO MEMORY BAND CANCELCANCEL IF/MONO STATIONSTATIONTUNINGTUNINGTUNINGTUNING 12122 2 STEREO FM 10060 MHz 1 1 ANTENNA by M 100-T(9.55360-8150 / G.LG 01-50) M 100-T Allgemeiner Teil / General SectionM 100-T 1 - 2GRUNDIG Service Es gelten die Vorschriften und Sicherheitshin- weise gem dem Service Manual Sicherheit, Sach-Nummer 72010-800.00, sowie zustzlich 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 1 - 10 Test Equipment / Aids . 1 - 2 Technical Data . 1 - 3 Test Mode . 1 - 3 Disassembly Instructions . 1 - 4 Operating Hints . 1 - 8 Adjustment Procedures. 2 - 2 2 - 3 Circuit Diagrams and Layout of PCBs . 3 - 1 3 - 13 Display . 3 - 1 Wiring Diagram . 3 - 2 Circuit Diagrams Tuner . 3 - 4 Power Supply . 3 - 8 Operating Board . 3 - 12 Layout of PCBs . 3 - 3, 3 - 10 Spare Parts Lists and Exploded Views. 4 - 1 4 - 2 Exploded View Unit. 4 - 1 Spare Parts List . 4 - 2 D Inhaltsverzeichnis Seite Allgemeiner Teil . 1 - 2 1 - 8 Megerte / Hilfsmittel. 1 - 2 Technische Daten. 1 - 3 Testmodus . 1 - 3 Ausbauhinweise. 1 - 4 Bedienhinweise. 1 - 6 Abgleichvorschriften . 2 - 1 2 - 3 Schaltplne und Druckplattenabbildungen. 3 - 1 3 - 13 Display . 3 - 1 Verdrahtungsplan . 3 - 2 Schaltplne Tuner . 3 - 4 Netzteil. 3 - 8 Bedienteil . 3 - 12 Platinenabbildungen . 3 - 3, 3 - 10 Ersatzteillisten und Explosionszeichnungen. 4 - 1 4 - 2 Explosionszeichnung Gert . 4 - 1 Ersatzteilliste. 4 - 2 Allgemeiner Teil Megerte / Memittel Wobbler Mesender Stereocoder Tongenerator Oszilloskop Digitalvoltmeter NF-Voltmeter Klirrfaktormegert Beachten Sie bitte das GRUNDIG Metechnik-Programm, das Sie unter folgender Adresse erhalten: GRUNDIG electronics GmbH Wrzburger Str. 150 D-90766 Frth/Bay Tel. 0911/703-0, Fax 0911/703-4479 General Section Test Equipment / Aids Sweep generator Test generator Stereo coder AF Generator Oscilloscope Digital Voltmeter AF Voltmeter Distortion Meter Please note the Grundig Catalog “Test and Measuring Equipment” obtainable from: GRUNDIG electronics GmbH Wrzburger Str. 150 D-90766 Frth/Bay Tel. 0911/703-0, Fax 0911/703-4479 M 100-TAllgemeiner Teil / General Section GRUNDIG Service1 - 3 Technische Daten Empfindlichkeit Mono (S/N = 26dB) . 1,1V Stereo (S/N = 46dB). 35V Klirrfaktor Mono (1kHz, 40kHz dev.) . 0,2% Stereo (1kHz, 40kHz dev.) . 0,4% Frequenzbereich ( 1,5dB) . 2515000Hz Nebenkanalempfindlichkeit Mono Wide 300kHz. 50dB Narrow 300kHz . 70dB Stereo Wide 300kHz . 50dB Narrow 300kHz . 60dB Geruschspannungsabstand (IEC Kurve A eff.) 40kHz dev., DIN A, Mono .75dB 40kHz dev., DIN A, Stereo .69dB Abschwcher im Kabelmodus .12dB Empfangsbereich FM (25kHz Schritte) . 87,5108,0MHz MW (1kHz Schritte) . 5221611kHz Stromversorgung Netzspannung . 230V Netzfrequenz . 50/60Hz Max. Leistungsaufnahme . 50dB Narrow 300kHz . 70dB Stereo Wide 300kHz . 50dB Narrow 300kHz . 60dB Signal-to-noise ratio (IEC curve A effective value) 40kHz dev., DIN A, Mono .75dB 40kHz dev., DIN A, Stereo .69dB Attenuation in cable mode . 12dB Frequency ranges FM (25kHz steps) . 87.5108.0MHz MW (1kHz steps). 5221611kHz Power supply Mains voltage . 230V Mains frequency . 50/60Hz Max. power consumption . ) oder abfallender () or descending (<) order. MEMORYThis button stores the actual station at the lowest empty memory location. When pressing this button longer, the AUTO STORE function will be started. CANCELThis button is used to delete individual memory locations or, if desired, the entire memory contents (by keeping the button depressed for more than 10 seconds). BANDThis button is used to switch to the FM ANTENNA, FM CABLE and MW bands. IF/MONOPressing this button repeatedly switches the FM reception mode to STEREO WIDE STEREO NARROW MONOWIDE MONO NARROW STEREO WIDE etc. OPERATING ELEMENTSDISPLAY 1 MUTING This indicates that the MUTING function is active. 2 MONO This comes on if the MONO function is activated. 3 STEREO This indicates that the tuner is receiving FM stereo broadcasts 4 AUTO This indicates that the AUTO TUNING function is active 5 Signal strength The more dashes you can see, the stronger the reception of the station you have tuned to. 6 Shows the chosen FM IF bandwidth (NARROW/WIDE) and the triangle lights up if the unit is exactly tuned to a station. 7 ANTENNA comes on when the antenna attenuator is switched off (FM ANTENNA). 8 CABLE comes on during broadband cable reception if the antenna attenuator is switched on (FM CABLE). 9 Station number seven-segment display This shows the number of the selected memory location (1 to 59) 0 14-segment display for (RDS) station name, frequency, radiotext, RDS time, selected programme type or messages. MUTING MONO STEREO AUTOANTENNACABLE # MHz 1234567 0 8 kHz 9 byby POWERPOWER M100-TM100-T MEMORY BAND IF/MONO MEMORY BAND CANCELCANCEL IF/MONO STATIONSTATIONTUNINGTUNINGTUNINGTUNING 121 2 2 2 MUTINGMONOSTEREOAUTOANTENNACABLE # MHz MEMORY CANCEL TUNINGSTATIONTUNINGPOWER BAND IF/MONO 56 12 1 1 OPERATION Selecting the wave band Select the desired wave band (FM ANTENNA, FM CABLE or MW) by pressing BAND. Pressing this button switches to the next wave band in the following order: FM ANTENNA- FM CABLE - MW - FM ANTENNA The display shows the selected band. If you receive broadcasts via broad band cable of a public or private cable service, there may be high signal inputs at your antenna terminal, which may in turn cause reception disturbances. If this is the case, select FM CABLE to switch on the input attenuator. This reduces the antenna input sensitivity, thus reducing disturbances. This setting is automatically stored after 5 seconds. FM reception WIDE/NARROW, STEREO/MONO The FM reception mode is automatically set to stereo and wide every time automatic tuning is started. Still, there are stations with disturbances or noise in the audio signal, due to weak signal or inter- ference of adjacent (neighbour) stations. The IF/MONO button provides a step-by-step pro- gressive attenuation of those disturbances or noise. When the FM reception is disturbed, press IF/MONO. The reception mode switches to STEREO NARROW thus avoiding interference from strong neighbour stations. If stereo narrow reception still exhibits too much disturbing noise press IF/MONO again to select MONO WIDE. Now the mono function will reduce noise due to weak reception. It is unlikely that you still hear noise but a last step is to select MONO NARROW by pressing IF/MONO again. You have now selected the highest noise disturbance reduction both for neigh- bour station interference and for weak reception MUTINGSTEREOANTENNA FM9350 MHz MUTINGSTEREOANTENNA FM9350 MHz MONOANTENNA FM9350 MHz MONOANTENNA FM9350 MHz MUTINGANTENNA FM8750 MHz MUTINGCABLE FM8750 MHz MW528 kHz LANGUAGE SELECTION Language selection You can call up the programme type display in the following languages: english, german, french, portuguese, spanish, italian, dutch, and swedish. Keep the IF/MONO button pressed while the unit is turned off, and then turn on the tuner. The current language appears in the display. By using the STATION 1 2 buttons you can call up the desired language. Store your selection by pressing the MEMORY button. ENGLISH DEUTSCH 1 - 10GRUNDIG Service Allgemeiner Teil / General SectionM 100-T BAYERN 3 13 45 ARD-RADI MUTINGSTEREOANTENNA FM9790 MHz MUTINGSTEREOANTENNA FM 10720 MHz FREE STEREOANTENNA FM9790 MHz MUTING SYSTEM REMOTE CONTROL 12345 67890 STATION VOLUME SA TTV TAPE 1 2CD/disc TUNER/ptyVCRSATTV 8 3ZT1 A/V REMOTE CONTROL-URC11 E a P P P HIFITV/VCR HIFI 88 TXT/6 P P P AV Install+ CENTRESURROUNDREAR $# 2 RECORD STATION TUNER/pty ZT E $# 2 12345 6790 TXT/6 8 Selecting the TUNER: Press the TUNER/pty button. Selecting stations: Press the $ STATION # buttons to call up the stored memory locations one after another. Empty locations will be skipped. You can also directly select the memorized stations with the numeric buttons 1.0: For one-place memory location numbers, press the corresponding button only briefly. For two-place number, first press the first number longer until this number jumps to the left side of the display: 4-. Then enter the second number. If you have selected a memory location to which no station has been assigned (yet), FREE appears briefly in the display. The unit then switches to the most previously set memory location. Changing display indication: Pressing TXT/6briefly switches the display mode between (when available) station name (RDS or one you have entered), RDS-TIME, RADIOTEXT (with RDS stations), and frequency. When the station name is displayed, only the memory location number is displayed to the left of the name. This remote control is supplied with the amplifier M100 A or M100 ADPL. The following radio functions can be carried out with the remote control: Programme type (PTY) RDS allows you to select FM stations according to programme type. More and more stations are codifying their programme type allowing efficient search with the PTY function. The transmitted code is however, the responsibility of the radio station. There are 6 programme categories. Press TUNER/pty The display shows the actual programme type. By pressing within 2 seconds the $ STATION # buttons, you can call up the programme types one after another. After 2 seconds the unit starts scanning the memorized stations to find a station broadcasting the required programme type. As soon as such a station is found it is tuned to. If there are no stations broadcasting a given programme type, the display briefly shows: NONE. What is meant by programme types? NEWS =news service, politics and current events, special informative reports SPORT =sports CULTURE = learning and continuation of education, radio plays, literature, culture, church and society, science, light entertainment programmes POP =pop music, rock music CLASSIC = light and serious classical music OTHER =easy music, programmes that cannot be assigned to one of the above mentioned programme types. SYSTEM REMOTE CONTROL _ RDS-DATA AB_ NONE NEWS SPORT CULTURE Assigning station names: Stations which do not transmit the RDS code can be assigned any name of your choice. Press TXT/6on the remote control longer than 1 second With Q or R , you can move the cursor in the desired direction. You can enter up to eight characters. With $ STATION #, you can move forward and backward through the alphabet, the numbers 0-9 and to the space key. When you are ready to conclude an input and exit the input mode to store a name, press TXT/6again. Note: If you attempt to assign a name to a station which transmits the RDS code, RDS-DATA appears in the display, indicating that a name cannot be assigned. Deleting a name If you press CANCEL when the input mode is selected, the previous name is deleted and the cursor jumps to the fir