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Hi,
That sounds like a blown capacitor on the motherboard in the TV, if you take it to a local television repair shop they'll be able to fix it for you.
Hi, I found the problem was related to the lamp. Your TV power up but then the lamp would
overheat and automatically shut down (audio and video) resulting in a
dark screen with no sound. Once the lamp cooled (30 - 60 secs) it would
come back on. Then overheat, turn off - recycling "eternally". A new
lamp will solve the problem
One possible reason is the remote may have an "IR leak" where it is turning off the TV by emitting a signal of it's own. To verify this, simply remove the batteries and turn the TV on. If it stays on, that was the problem and you would need a new remote. If this doesn't resolve this, try a power drain to rule out over-charged capacitors:
1. Unplug the product's power cable so the device is not grounded to the house.
2. Press and HOLD the product's own power button for 1 minute to drain the capacitors.
3. Plug the product back into a wall outlet and try to turn it on.
Note: This procedure works with battery operated devices as well so remove the batteries and
hold down it's power button. Electricity can remain in capacitors and on circuit boards
enough to prevent normal functionality. By clearing the residue electricity, your product
will have a fresh start and many times this will resolve a buggy or non-responsive device
that appears to be dead.
Very unlikely to be the switch. With the power supply shutting down, the problem is probably in one of the circuits that is supplied by it. Unless you know what you are doing, leave it to a technican.
TV shutting off automatically means its a problem with the Lamp. Contact Pioneer or any local tech shop or Best buy and get the same replaced. Turning off after specific time : Go to the timer option and disable the Automatically Switch off option. This will resolve the issue. Please let me know if it worked. If you need the user manual or instruction manula please click on the link below http://www.generalmanual.com/Televisions/Sanyo-DP19647-Wide-Screen-Integrated-Digital-LCD-HDTV.htm. Hope this will be of help to you.
I have pt2124/71 when i on automatic shutdown in second
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