Question about Televison & Video
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Posted on Jan 02, 2017
If the Red Light Blinks twice and goes out, the TV is in Protection Mode. There are 6 voltage outputs to the lamps around the screen. If one of those outputs is missing the TV will sense that there's a problem and refuse to turn on. The predominant failure in this model are the output transformers on the Inverter board. A properly trained technician can measure the windings on each transformer and look for an open circuit, if one is found, replace that Transformer. i was given one of these sets from a friend and I replaced an output transformer ($11 w/shipping) and I now have a fully functional TV/DVD Combo. Also verify that all of the connecting cables internally are properly seated, there have been reports or the ribbon cables from the Power supply board to the main board above it not being fully inserted and it also prevented the TV from turning on. A word of caution. There are VERY High Voltages on the inverter circuit board, only persons with proper training and knowledge should attempt this repair.
Posted on Oct 31, 2009
Power Supply is dead.Replaced the power supply will get ur power back.Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board.
Posted on Feb 15, 2010
It can be in safety shutdown mode due the failed DC filter caps, shorted circuits in the backlights inverter boards, main board problem. You need to do some inspection first.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Basic LCD monitor and TV troubleshooting guide:
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 14, 2010
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