Question about Sansui Televison & Video
Check and replace damaged component/s at its main power supply regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience.
http://electronicshelponline.blogspot.com/ Pull up older posts there.
Posted on Mar 25, 2014
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Posted on Jan 02, 2017
The solution at this point would be to get the power supply repair since new boards are not longer being manufactured. In about 95% of the time if the LCD doesn't power up or turns OFF by itself or need to be unplug for some time to make work again; those are the symptoms of a dying or defective power supply.
If your TV is less then a year old, still under manufacturers warranty.
I service these power supplies, for more info write to firstname.lastname@example.org
Posted on Dec 06, 2008
SOURCE: Tv shuts itself off
If the TV were in my shop I would first suspect the PSU is failing as it reaches a certain temperature. Capacitors most likely.
If you have a capacitance tester, then it will be easy, if not.....
The capacitors that have / are failing will generally be "bulged" on the top.
However, it is worth noting that they are only a few pennies each, if it were me I would change them all for equivalents.
I hope this helps.
Posted on Mar 28, 2009
philips tv turns itself off and on agianevery 10 mins roughly with a gap of a few mins before coming back on. only had a few months
Posted on Dec 28, 2009
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