Hello, I have a 43 inch RCA / Roku television.
Model: RTRU4328-C-CA
The image sparkles. In cool weather, it lasts a few hours. Above 24 degrees celcius, it hardly takes a few seconds and it's a loooong fade to black with white vertical streaks overflowing the white areas. (Sorry I don't have time to capture it)
My question: Should I change the power supply or the motherboard? (My logic would like me to change the power supply which heats up and which starts to malfunction (?))
No capacitor bulge, no trace of heating. Ideas? Many thanks!
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