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Pentru un tv Sport alb-negru cuTDA4503.....


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Am de multi ani un tv Sport la care nu-i "stau "liniile am incercat la vremea respectiva de toate ...si nu am stiut ce sa-i mai fac ...iar acum am ultimatum de la sotie ORI IL FAC ORI IL ARUNC poate i-mi dati o schema si vre un sfat ! Va multumesc! Nu as vrea sa-l arunc .

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Buna ! Am schimbat cam tot ce era de schimbat de la oscilator am schimbat si integratul si..il aduc aproape sincronizat din semireglabil dupa care pleaca in sens invers frecventa modificandu-se vertiginos . Eu am de gand ..fie ca-l fac fie ca nu , sa-l dau degeaba cuiva pe care-l intereseaza ...Amatori ??

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Va salut ! Am gasit fisurat cablajul pe pin28 . dar nu e rezolvata problema . Acum il pun in stare relativa de sincronizare , apare un gen de "50Hz " pe marginile verticale si cand se desincronizeaza e si pe linii si pe cadre (asta mai rar ).Odata cu desincronizarea apare si un fel de tarait O FI O DESCARCARE ??.

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