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DYNACORD DC-PM600-3-MIG


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buna ziua!

am acest aparat statie cu mixer defect ca urmare a alimentarii de la un generator.

partea de alimentare este structurata in doua; sursa mare cu traf chopper pilotata de 2 buc igbt cu drivere pe optocuploare (aici am schimbat tot ce a fost defect inclusiv smd)si sursa mica cu LNK306 care prin stab lm317 alimenteaza un proc. ATMEGA48PA care la randul lui da drumul la sursa mare....aici e problema la care solicit ajutor.atmega este defect scurt pinii gnd si vcc , are port isp dar e dus. cine ma poate ajuta cu un cod , dump software la acest procesor?De la o statie buna s-ar putea copia rapid dumpul bineinteles daca nu ar fi protejat la citire, dar poate ca nu e.

multumesc anticipat tuturor care ma pot ajuta

cu stima!

Edited by r2005rom
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