ciuca paul Posted December 13, 2015 Share Posted December 13, 2015 Va salut.La acest sasiu am gasit sursa cu npc 1207ap pe care l- am schimbat cu mc44608p40 .Acum sursa lucreaza in secundar cu o tensiune variabila intre 20 si 40 v in stnby anormal.Am verificat si celelalte componente de pe langa integrat dar la prima verificare n-am prea mai gasit nimic, suspect acum as vrea sa stiu a mai inlocuit cineva integr. respectiv cu MC-ul ca fiind perfect functional ,sau poate mai am si altceva nedescoperit prin zona respectiva? Link to comment
stefank Posted December 13, 2015 Share Posted December 13, 2015 in unele cazuri cu tensiune mai mare in st-by am gasit elco 47uF/160V devalorizat , dar in cazul dvs cu sursa defecta mai verificati optocuplor , TL431 , etc Link to comment
Florinel TV Posted December 13, 2015 Share Posted December 13, 2015 schimba D803 si D832 din primar sursa Link to comment
ciuca paul Posted December 13, 2015 Author Share Posted December 13, 2015 Deci, exclus c.i.? Celelalte sunt masurate dar nu am schimbat tl431 care este smd ,sa vad cum il adaptez cu capsula cealalta Link to comment
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