Roby77 Posted July 31, 2023 Share Posted July 31, 2023 Salutare! zilele trecute am intampinat o problema la un mainboard 17mb110s in cauza un tv Horizon 43hl7330f display VES430UNDB care are urmatoarea problema. -functioneaza cca 20 minute pana se incalzeste CPU si apoi intra in stand-by(led rosu) am verificat asa: ic primar sursa, schimbat conzi secundar/primar sursa -schimbat regulator de pe mainboard de 3.3v AMS1117-3v3 -verificat consum sursa de la retea(cca50w) dupa toate astea deduc ca ar fi vorba de cpu defect. Voi ati intampinat aceasta problema? Link to comment
stefank Posted July 31, 2023 Share Posted July 31, 2023 sau defect de contact la bilele bga ale procesorului datorate incalzirii , incercati sa raciti procesorul cu un vent de cpu sa vedeti daca mai intra in st-by dupa 20 minute Link to comment
Roby77 Posted July 31, 2023 Author Share Posted July 31, 2023 daca este racit nu mai intra in standby... Link to comment
cornel1962 Posted August 4, 2023 Share Posted August 4, 2023 La 31.07.2023 la 17:22, Roby77 a spus: daca este racit nu mai intra in standby... am intalnt si la Samsung, i-am pus un ventilator mic pe carcasa ( 5X5) ! Link to comment
Gabriel_S Posted August 4, 2023 Share Posted August 4, 2023 Reflow la RAM... am intalnit vreo 3 MB110 cu problema asta Link to comment
Roby77 Posted August 22, 2023 Author Share Posted August 22, 2023 Am rezolvat. era din riplu. multumesc. Link to comment
cornel1962 Posted August 23, 2023 Share Posted August 23, 2023 Acum 16 ore, Roby77 a spus: Am rezolvat. era din riplu. multumesc. Puteți să dați mai multe detalii ??? Unde anume aveați un riplu mărit ??? Link to comment
modoran Posted August 23, 2023 Share Posted August 23, 2023 O fi fost pe alimentarea procesor sau ram, colegul @sesebe mai are si el dreptate cand zice de osciloscop. Link to comment
Roby77 Posted September 24, 2023 Author Share Posted September 24, 2023 Am inlocuit conzi de pe filtrare cei de 35v si problema nu a mai aparut Link to comment
megabit Posted September 25, 2023 Share Posted September 25, 2023 La 31.07.2023 la 14:05, Roby77 a spus: am verificat asa: ic primar sursa, schimbat conzi secundar/primar sursa .... dupa toate astea deduc ca ar fi vorba de cpu defect. Astia la 35V nu erau nici in primar, nici in secundar sursa ? Ca acolo parca au mai fost schimbati odata... Link to comment
Roby77 Posted October 13, 2023 Author Share Posted October 13, 2023 am schimbat cu recuperati. dupa ce am pus noi a mers Link to comment
olarueugen Posted February 4 Share Posted February 4 si eu asi inlocui conzi la 35 de volti da nu-i gasesc La 25.09.2023 la 8:01, megabit a spus: Astia la 35V nu erau nici in primar, nici in secundar sursa ? Ca acolo parca au mai fost schimbati odata... nici eu nu ii vad Link to comment
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