Call Ghostbusters. Sounds like you've got ectoplasmic interference from beyond the veil? Any recent deaths of friends, family, anyone close to you? Someone is obviously trying to tell you something. Think about this carefully: it may seem random, but are there any patterns or repeated sequences that you can discern in the turning off and on? Is it rapid and continuous, or intermittent and with large gaps in between the next event? Is there any accompanying background sound, perhaps an amalgam of several sources, white noise, or simply silence? Does the screen go immediately blank? Fade slowly into blackness? Does it flash before it turns off? If so, how many times? Look carefully, does the screen go completely black or can you see what appears to be a white dot remaining after all the rest of the power is gone, remaining for sometime without any source of electricity. Run these basic checks/questions and get back to us asap., I have friends who specialize in this sort of soft paranorm who would probably be willing to help you outl. But the key is NOT to let the events/situation escalate.....keep calm and maintain a composed, relaxed atmosphere. And I wouldn't advise allowing any pets or small children in the room or anywhere near the tv until we figure this out. Get back to us when you can.
And as always: good luck!
SOURCE: my plasma tv keeps turning itself off
Hello,
This issue is related to a power problem in as much as the TV turns off on it's own.
The problem is consistent with overheating on the power supply board of the TV. it might have worked fine in the past, but that's electronics for you. Power surge, irregular power supply, excess power supply, etc can affect the unit thereby making it to misbehave.
The power supply board of the TV has few capacitors and IC. If any of these IC's gets short or become weak, it can cause the TV to turn off on it's own.
When current passes from electric outlet to the power supply board of TV. The current also goes to the weak/faulty part, then the current stops or slow and the board overheats and TV shuts off on it's own.
To solve this issue, check the power supply board and read it with a meter and continuity tester, in order to detect the faulty part and replace the faulty part on the board which is short due to which power supply board
You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board from www/shopjimmy.com to save you some stress.
Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.
If you don't have the ability to read the fault, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.
I wish you the best of luck.
Regards.
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