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TVs

half hyundai tv turns on !!

TV hyundai NWX2920-32

TV hyundai NWX2920-32

Sobrino
hace 6 años
hace 6 años
Hello!!! yoreparo's nephews have a small problem with a 29 "tv hyundai he makes the characteristic sound that the tv's trc makes but does not turn on, measuring the components in cold (without power) to2 seem to be fine both on the hot side and on the horizontal side (which I check for xq is what consumes most on the TV), but when I turn it on the tensions in the secondary range from 0v to a v max and from there again to 0v (ex: 0v, 1.1v, 3.5v, 6,7v, 12,5v, 20v, 23,3v, 0v and it is repeated again obviously not with the same values) and so on indefinitely (leave it for a while like this to see if any part was heated but that goes, the tensions of the source is fine and capacitors too, fine horizontal no c what else to do thank you for your help !!!!!!
manolo karvalo
hace 6 años
hace 6 años
Hello Friend. Check at the source. resistors, small filters replace them with new ones, and there after the choper check the diodes and filters may be undervalued and leaking diodes, and check the tsh. It may be leaking and you change the opto coupler and solved the choper and flayback pins. regards
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