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Sony Grand Wega Kf-42we610 42-inch Hdtv-ready Lcd Rear Projection Tv - Page 9 Questions & Answers
Sony EVO9720 won't power up but does have power.
When you start talking about the TV having a fan this sounds like a plasma TV...If you want to spend a bunch of money on it take it to a service shop, plasma sets generally are not something the average somewhat technically minded person wants to try to fix, there are from 10 to 14 boards in your TV and literally every one can cause your issue
What went out on my sister's tv
Most likely is a blown capacitor. Open it up, check, find the Service Manual, find the value of it, buy one, de-solder the blown one, and solder in the new one. Cross fingers it didn't take anything else with it.
Lightening strike on my TV
Seems that your TV is under service warranty. Contact the authorized service center for Sony. Probably, its main power board have the fault. 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/
https://elektrotricks.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 of your set, in its search bar at the right side column, and press enter. See it in Webview by mobile. Mobile View has no search box.
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