Service manuals, schematics, eproms for electrical technicians
KOERTING KOFFER TOURIST TELEPES RADIO 1938 SCH
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191.5 KB
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AUDIO
SERVICE MANUAL
AUDIO
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar koerting manual?
Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar koerting manual?
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KOERTING KOFFER TOURIST TELEPES RADIO 1938
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Warning!
If you are not familiar with electronics, do not attempt to repair!
You could suffer a fatal electrical shock! Instead, contact your nearest service center!
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Relevant AUDIO forum topics:
Sziasztok!
Elvileg ma viszik el őket, de ha mégse akkor érdekel valakit?
Üdv:
pityesz
Üdv!
Valahogyan ellőtték a fenti erősítőben az egyik oldal egyik végtranyóját, HQ-ban nem találtam, helyettesítőnek BD317-et ír. Jó az helyette?
Se trata de fallo localizado en placa E1205777-005 los elementos c1041 c1042 c1043 c1044 de valor 47 mF 25V los cuatro en mal estado y IC 612 e IC611 corroidos por acido de los condensadores electroliticos, me es imposible leer los valores de los mismos ; Y en el diagrama no figura la placa del receptor RX- 1010 JVC. Codigo placa según diagrama
E 12057-005
Alguien podria por favor ayudar a localizar los valores de estos transistores.
E 12057-005
Alguien podria por favor ayudar a localizar los valores de estos transistores.
Sziasztok!
Most került a kezembe ez az erősítő, szétszedve kiderült hogy megszakadt a 5A-res bizti. Átmérve minden végfok tranzisztor jó, de nem indul el a táp része, vagyis hiányzik a +-25V. Most átmérve a meghajtó tranzisztorait, hibásat nem találtam, most a HD7402P icére gyanakszom, de nem találtam beszerzési helyet itthon. Valaki tudna segíteni, hogy tönkre szoktak menni? Ha igen akkor meg mivel lehet helyettesíteni?
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