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Sanyo dp50740 turns on, with still picture and no sound. then powers off then back on again repeating it's self

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Where is reset button on sanyo 50 inch tv model DP50740 The TV will not stay on

There is no reset button on televisions. I see that is a plasma set, if you are just losing the picture that is one thing, if the whole set is shutting down, that is another. Please advise
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I have a Sanyo DP50740. Had about 2 years. All of a sudden it started shutting off after turning on. Will not turn on again until unplugging and plugging back in. Then it shuts off again right away. Could...

Main board fault. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/
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It clicks on then clicks off

It sounds that the TV switches ON, and switches OFF, after three relay clicks. It is likely to the fault to its main board. Contact any service technician. This is not a user repairable fault.
google.com/+GopakumarGopalan
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Dp50740 power led goes on and off

What you have is most likely a failed main board. These sets are known for this problem. There are several different variations of the main boards. Make sure you order one that matches yours. The main board part # will start with [email protected]#. The main board part # should be on a sticker either on the main board itself or on the coax input terminal casing. I hope you got the TV for a good price !!!
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Sanyo dp50740 wont come on after power surge

Change power outlet and see. If problem persists, it might need attention by a qualified service technician.
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