romicap Posted December 14, 2012 Share Posted December 14, 2012 Salut,nu sunt specialist in depanare si m-i s-a stricat TV-ul,un Amstrad sasiu11 ak 30 model TX silver 21"Am inlocuit tranzistorul de pe sursa(era ars dadea scurt peste tot)iar acu` am 78 V pe bara! Apare rastru.dar nu se completeaza pe orizontalasi zimtuieste ca si cum sincro as fi defazat rau...Poate ma ajuta cineva cu un sfat;Multumesc anticipat Link to comment Share on other sites More sharing options...
dan cod Posted December 14, 2012 Share Posted December 14, 2012 Filtrajele schimbate inclusiv cel pe 300V. Link to comment Share on other sites More sharing options...
romicap Posted December 14, 2012 Author Share Posted December 14, 2012 Le-am schimbat ,si pe cel de pe 300V si pe bara(47/250)si tot asa face! Link to comment Share on other sites More sharing options...
dan cod Posted December 14, 2012 Share Posted December 14, 2012 Izoleaza sursa pune bec ca si consumator si dupa ce ai 115V pornesti restul TVului.Ceva clar ca mai ai defect acolo.restul tensiunilor din secundar cum sunt? Link to comment Share on other sites More sharing options...
romicap Posted December 14, 2012 Author Share Posted December 14, 2012 Ok, ma apuc acuma sa vad ...pun bec si voi vedea...celelalte tensiuni sunt la aproximativ jumatate! Link to comment Share on other sites More sharing options...
romicap Posted December 14, 2012 Author Share Posted December 14, 2012 Si cu bec face la fel...70-75V N-am schema sa vad ce mai e pe acolo...Poate fi ceva cu trafo(choper)!? Link to comment Share on other sites More sharing options...
dan cod Posted December 14, 2012 Share Posted December 14, 2012 Ei nu ca e plin cu scheme de AK30.Am atasat si eu una. Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.