Question about Televison & Video
The tv will not start up and stay on. it cycles power for as much as 30 minutes before staying on. In the meantime, the picture has lots of distortion when it is on. Once it stays on, there is not a problem until I shut it off again.
Fault with the main power supply regulator 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.
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.
Posted on Dec 02, 2014
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Posted on Jan 02, 2017
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