Televison & Video

Televison & Video

Phillips 47" LCD...went blank...no sound...NO BACKLITES..power switch will not control on-off...no menu on screen with 'flashlite test'.....checked power at fuse and everything started working....????

Posted by LEWIS BASSELL on Feb 24, 2016

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Televison & Video

Product Troubleshooting for Televison & Video


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Fault to the main power supply regulator section. 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. Surf the site with patience. Pull up older posts. http://electro-medical.blogspot.com/ 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.
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