Service manuals, schematics, eproms for electrical technicians
AUDIOAK217.
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28.3 KB
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1
Category
AUDIO
SERVICE MANUAL
AUDIO
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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Looking for similar audioak manual?
Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar audioak manual?
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Relevant AUDIO forum topics:
Sziasztok! Segitséget szeretnék kérni, e készülék kapcsolását sehol nem találom, a toroid trafóból jönnek áramok, de nem tudom mik a pontos adatok,egyébként az alaacsony jelszintű bemeneten működtetve fullon nagyon halkan szól!
Hiya
I am repairing a Dynacord Powermate 1000-2 mixer/amp and have a question about DC blocking capacitors in the signal path.
I am getting a slowly dropping DC on the DISP1 node (output of I6AA op-amp) on switch-on. This is causing the green "signal present" LED to come on on that channel which takes about 30 seconds to turn off. It seems to be caused by a charge on C35A that dissipates slowly through R54A (1M Ohm).
It seems to me, it would have been better to put the C35A on the output of I5AA with a resistor to ground. Is there a reason why this would not work.
I have checked all relevant components and power supplies and I cannot find any faults but I'm sure this is not normal behaviour.
Any help greatly appreciated.
Kedves szakik, kaptam egy a címben említett erősítőt, amelynek első megitélésre végfog gondja volt megrendeltem bele a 2db új végfokot és olyat produkál hogy bekapcsolás után elkezd búgni majd kb 10mp eltelte után a erősebben kezd és a hangszórók membránja kifelé mozdul, tovább nem mertem bekapcsolva hagyni, de hangot nem ad ki hiába kötöttem a bemenetére jelet, nem találkoztam ég efféle jelenséggel, ha valaki tudna segíteni ebben azt szivesen venném.
Szevasztok
Hoztak egy ilyen erősitőt hogy nem üzemel ,nem nagyon szoktam erősitőket javitani,de haver elválaltam,ugy látom behalt a vég erősitője,kiforrasztottam,adtam be jelet meghalgattam a bemeneteket jók,mennek namost azt kérdezném lehet emég jófajta végfokokat veni vagy ezeket is hamisitják,vagy inkább tegyek bele vaamilyen másik fajta végfokot.