Service manuals, schematics, eproms for electrical technicians

ELTRA MOT-59-1 TRANSISTOR PORTABLE RADIO PL SCH

AUDIO - SERVICE MANUAL
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AUDIO
SERVICE MANUAL
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  • Also known:
    ELTRA MOT-591 PORTABLE RADIO PL MOT591 TRANSISTOR MOT 591 59 MOT-59-1
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  • See related repair forum topics below. May be help you to repair.
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Relevant AUDIO forum topics:
Denon PMA500V amplifier
I have and found most of the voltages as indicated on the circuit diagram, till op amp M 5218P; are near those specifed. The output on the centre of the two power transistors of both the channels are also alright.

While looking at the voltages on test points as mentioned on the page 7 for setting up quiscent current, these cannot be set.

Bit of history,  the amplifier was lying unused for long time. Nothing in it has burnt. It was never opened earlier than this time, couple of days back.

While I was probing for voltages with DMM, with probe on collector of TR413 one of the fuses blew up. Later same thing happened on the other channel as well.

With the above as background can a Good Samaritan  figure out feasibility of repair.

i am unable to upload service manual as file size is 7.3 mb
Lézerfej összehasonlítás
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Sziasztok. Egy Sony MDX 100 RDS tip. autórádió végfok IC hibás de sehol nem találok róla infót. Az IC tip.: Sony 160-00-4D4. Nekem nem úgy tünik hogy ez lenne a tipusa, de más nincs. Ha valaki már találkozott ilyennel köszönöm ha tudna segiteni.
Superslim All-in-One tv Soundbar Blaupunkt LS 163 kilyukadt a regulátor iC
Sziasztok. A címben említett készüléknek lyukas a JW5015B IC-je, így ni. https://www.google.hu/search?q=jw5015b&client=firefox-b&biw=1152&bih=763&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjv0v-KpP3PAhUjCpoKHQscDDsQ_AUICSgC#imgrc=bqjaOW0ez6kXJM%3A A kérdésem az lenne, hogy sima csere esetén működne-e a készülék, vagy ez nagy bajjal jár. No meg hol tudnék netán venni ilyen csodát. Tudom ez a fele már keresés, de majd ha megcsináltam elmondom a sikerélményt Van nálam öt darab, mindben lyukas ez a cucc, Netán valaki már javított ilyet? https://www.google.hu/search?q=blaupunkt+ls+163&client=firefox-b&source=lnms&tbm=isch&sa=X&ved=0ahUKEwijit71pv3PAhWGDZoKHUdPDjgQ_AUICCgB&biw=1152&bih=763#imgrc=Vx_igmaFbWe_fM%3A Üdv József. ui: Csináltam pár képet az utókornak.
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