Service manuals, schematics, eproms for electrical technicians
VIEWSONIC VPW425 VLCDS22554-1W SM
Type: 
(PDF)
(PDF)Size
3.4 MB
3.4 MB
Page
48
48
Category
TV
SERVICE MANUAL
TV
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 viewsonic manual?
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VIEWSONIC VPW-425 VPW425 VPW 425 VLCDS 225541 VLCDS22554 1W
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Szevasztok
Adva vagyon egy Sanyo TV amibe behalt egy TT2138 as sorvég tranzisztor,kérdésem mivel lehetne helyettesiteni?
Üdv Mindenkinek!
Tanácsot kérnék ezzel a Beko E1-es sasszéval szerelt gépel kapcsolatban, talán belefutott már valaki ebbe a hibába.Készenlét van, de a sorvégfok nem indul.A sorvégfok meghajtó tranzisztorán(BC639) nincs meghajtójel.Ezt kiforrasztottam, ekkor valami jel látható az oszcilloszkópon.A procin(TDA 9345) a feszültségek megvannak.Nem reagál a távirányító parancsaira sem.Epromot már cseréltem, ez nem hatotta meg.Mennyire jellemző ezeknél a processzor tönkremenetele?
Kösz
Szevasztok
javitok egy szin modult az MDA3505 ugy főlt hogy az ujjam alig álta,lecseréltem TDA3505 re ez nem melegszik anyira,igaz a hiba még fenn áll,kérdésem hogy felcserélhető e egy az egyben a két IC ?
Sziasztok!
Nektek mi a véleményetek erről??? :)
http://elektronline.hu/wwwboard/thread.php?sorszam=451756&reply=6
Üdv:
Pityesz
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