Question about Televison & Video
That problem is caused by excessive heat, try to change the location of your tv or put something that can ventilate your tv if still no effect, you have a faulty power supply. Faulty power supply commonly cause by swollen or leaky capacitor it is easy to distinguish when you see an oil mark under the capacitor or the top of the capacitor is slightly embossed try to replace it be sure to remember the marking or polarity of the capacitor.
Posted on May 23, 2011
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Posted on Jan 02, 2017
If there is no picture, just black screen.. then the cold cathode (backlight) on your monitor is busted. Or its ballast transformer is burnt out. Replace it to work again.
Posted on May 17, 2010
SOURCE: my acoustic solutions tv turns
It may be detecting shorted circuits in the power supply, backlight inverter boards, main board. You need to troubleshoot the problem starting at the power supply module first.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Posted on Dec 10, 2010
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