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Please help my Polaroid 37" lcd
Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
3/8/2017 11:51:51 AM •
on Mar 08, 2017
Polaroid 373b Blues!
what does the board look like in same area as black arc spot on case (damaged??) the high pitch whine you hear is the high freq switching going on in the electronics , this by itself is not too bad ( I had an old floursent clock that whined so loud it made my dog howl !! and it still works !! ) but when it accompanies a non functional device id say the power supply is straining to provide power (over loaded)
3/4/2017 2:02:58 AM •
on Mar 04, 2017
Cable connection broke off while unscrewing cable wire
The unit may be repairable depending the damage done to the input circuit that the connector was connected to. The board can probably be replaced if not repaired. You can call Polaroids customer support at this telephone number. 1-866-289-5168. Give them the model number of your television and the problem you had with the cable connector coming off inside the television.They should be able to tell you how your can get the unit repaired. I hope this information helps you with your problem.
4/23/2016 9:14:56 PM •
on Apr 23, 2016
Cable cord broke off back of vizio tv other ways to get cable
Replace the cord or watch TV at a relative's house.
Seriously, If you cannot replace the cable, your cable company will repair it for you. Probable for free - especially if you say you need to cancel your subscription unless they do it at no charge.
5/20/2014 1:31:24 AM •
on May 20, 2014
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