TV works great for about 30 minutes. The screen goes black the sound and the remote still work. I leave it off for 15 minutes and it works for about 10 minutes more before it goes out again. I found a swelled capacitor on what I assume is the power supply board for the lights. I replaced it with the same type cap. This didn't solve my problem. Any ideas?
The TV lasted a little over a year & I'm glad I didn't get a warranty. A repairman estimate was $512 but he is still waiting for a control module replacement for other customers. They purchased the exteneded warranty but have been waiting over 6 months for parts that are still not in. I trusted the Polaroid name, my mistake to trust a name.
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Either the picture tubes are going, or they are dusty. Take apart the front grill and take off the black cut away behind the grill. Inspect the tubes and the circuit boards. If they are dusty blow them off with an air can duster. It might work and its free and takes 5 minutes.
> IF IT WASNT DIGITAL HD I WOULD HAVE SUSPECTED HIGH VOLTAGE POWER SUPPLY BUT THAT DOES NOT EXIST HERE. Well, not completely true; the fluorescent backlight is still a high voltage device, even if only hundreds of volts instead of kilovolts, and either the lamp(s) or the power supply for it (them) is causing the dropout of your picture.When it does it next time, look at the screen from various angles, I think you will see that video content is still there.
the lcd control board is out side the control box, its probably the culprit, its under 20 dollars new. the swollen cap means that its getting too much voltage to that component. better do voltage checks on the power supply each transformer is labelled for voltage output make sure its providing the correct voltage and not surging, this can cause the tv to fail with serious problems. now mr zuzu13 you need to have the tv on a surge protector and be careful not to let it arc when plugging in. you also need to do the same checks as above its most likely a power supply problem causing the shut downs. also reset your tv to factory settings by punching in 8282 on the remote this might also solve your problems. but dont forget to check the power supply now it might save you a costly repair.