Service manuals, schematics, eproms for electrical technicians
EAGAV760C.
Type: 
(DJVU)
(DJVU)Size
23.9 KB
23.9 KB
Page
1
1
Category
AUDIO
SERVICE MANUAL
AUDIO
SERVICE MANUAL
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Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar eagav manual?
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EAGAV760C. EAGAV 760 C.
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Tisztelt Kollégák!
A címben szereplő erősítő a nyomógombjainak érintésekor nem némít, hanem zúgó, brummos hangot ad mind két csatornán. A tápfeszültségek rajz szerintiek. A végerősítő modulok 7 csatlakozási pontján az érintés idejére mérhető a negatív - pozitív feszültség változás. A bemenetet szabályzó FET-et cseréltem. Semmi változás. Hasonló hangot ad az erősítő a bekapcsolást követő egy két másodpercig.
Egyébként az erősítő elég jól szól.
Mi okozhat ilyen hibát?
Köris
Üdvözlök mindenkit!
a fentnevezett cd rádiót nem lehet bekapcsolásra bírni,lemezt kivenni a tápokat nézegettem a 3.3v megvan,a 9v megjelenik ha felteszem az előlapot és már indul is a demo üzemmód mindenféle hasznos információval a kijelzőn, pl: ha nem tudná a gazda elolvasni a szitanyomáson hogy sony, Mp3,tuner........
Ha valaki találkozott már hasonló problémával vagy sikerült megoldania kérem segítsen.
Krisztián
Szevasztok
Errő az ic ről szeretnék kérni valamilyen adatot.
Egy házimoziba van,valamilyen audióprocilehet vagy nemtudom,de ebből kellene hogy kijöjjön valami,de nem gyün.
Hi All,
I have a Rotel RA-980BX amp with a blown channel. I have sourced most of the transistors, but am struggling to find the other 4.
Part numbers as follow:
2SC3478
2SC4381
2SA1376
2SA1667
What would be suggested equivalents / suitable replacements?
Also, some advice, I suspect the bias pot to be bad. Based on the circuit, would you think that the bad bias pot would cause the drivers and outputs to blow? Any suggestion on modification to prevent this re-occurring?
Thanks
Regards,
Werner
I have a Rotel RA-980BX amp with a blown channel. I have sourced most of the transistors, but am struggling to find the other 4.
Part numbers as follow:
2SC3478
2SC4381
2SA1376
2SA1667
What would be suggested equivalents / suitable replacements?
Also, some advice, I suspect the bias pot to be bad. Based on the circuit, would you think that the bad bias pot would cause the drivers and outputs to blow? Any suggestion on modification to prevent this re-occurring?
Thanks
Regards,
Werner