Sziasztok!
Tudnátok segíteni?
Lenne ez az autóerősítő:
http://elektrotanya.com/jensen_ra_2520_clx_sch.pdf/download.html
Azt csinálja, hogy gerjed a jobb csatornája, ha bent van a IC5 és IC6. Megfogja a hozzá tartozó 15V zenereket. Ha bármelyik OPAMP-ot kiszedem, ill lekötöm a tápról akkor jó, de nem megy ugye a mély ill. magas kiemelés attól függően melyik hiányzik. Raktam bele másik SIP8-as 4558-akat de ugyanaz. Valakinek ötlete?
Köszi
Hello, I am in a repair KENWOOD KRF-X9995D.
Let me know if anyone is aware of how to reset the processor.
That is about a year ago I had the same problem with another amp of the same model!
So this is the second unit can not repair!
The main flaw is that the accumulation of around 1F 5.5V had spilled acid. was also in the same thing happened! ie it shows mute, but going into test mode, (having pressed the key "INPUT SELECTOR DOWN" and "POWER", the analog input works (but only in TEST).
Any help?
Thank you
Légyszi légyszi ha valaki tudnasegiteni egy BOSE AMP2440-as erősitő bekőtésében,azt nagyon szépen megkőszőném. Ez AUDI A3-asbol van, a steker nincsmeg.
Hello everybody,
This receiver starts normally and has a nice blue display lighting on for 8 seconds. Suddenly you ear the main relay falling down and everything turns off and you get the red led flashing around the main power switch button. There is no special code with this continuous flashing rythm of the led. I have no diagram of the device and I have opened it and measured the voltage on pin 4 of the voltage regulator KIA78R05P1, which has a validating signal on his pin four.(2 is the output and 3 is frame (-)).this 5V(to-220)monolithic 7805 regulator is on the main PCB, close to the little transfo and ON/OFF relay...and is mounted without any heat dissipator(I was surprised of that fact!).the voltage between(4-3)is 1,88V dc and never climbs up during the starting sequence.
Can you help me to solve this problem?