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37"lcd magnavox power light blinking set takes almost ten mins before it will come on I understand that it is a common problem/ what is solution

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Bad switch?

Posted on Aug 03, 2008

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Upon arriving from work today, I noticed that the "red power light indicator" was flashing periodically in intervals. I tried to turn the set "On" but the TV does not want to turn...


unplug set and plug back, the blinking power light is a error code, watch it carefully, a sequence of three blinks, pause and three blinks is the most common, it is SHORT PROTECTION.

Five blinks and a pause and five blinks is short on 140 volt line.

Let me know what you find and I will offer suggestions for you.

SD TECH I am in California

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This problems,very common in LCD tv,after the tv was in used about a year or two.The new technalogy LCD tv don't handle heat very well,not like the old CRT Tube Tvs.The power supply board tend to have bad capacitors componnents leakage,that bulges up it top or puff up gases escape,that why it take times or couples pushes to the power botton to turn the tv on.U know basic electronic's,and have soldering tools and solders?Take the tv aparts,check for these bad capacitors,that bulges,puff up in the power supply board and replaced them,than ur power will work normal again.Or tries Websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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1 Answer

Dead set


you can look at the capacitors on the power board if any of them have puffed up tops that is the ones. Also when you are looking at the power supply look under the heat sink at the top right they try to hide one.

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My magnavox 37MF321D/37 will not turn on. It


I had the same problem with the blinking green light. These are the parts one the power supply I replace to repair it. note: If the power supply is repaired you will get a solid green light and the backlight will light up almost immediately.
5df38cd.jpg

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1 Answer

Magnavox 37 inch lcd power light blinks and no picture or sound


possible the 2200mf @ 10volt caps are bad on the power supply, open it up and look for swollen caps

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I have a flat screen lcd 42 inch model number 37MF321D/37 and the on button just keeps flashing and the remote does nothing?


You have either a bad power supply ( a very common problem) or the inverter board that runs the back - light is bad. The power supply board will have capacitors that are leaking or puffed up looking. Same on the inverter board. If you can get a component leval repair then that is cheaper ... But most techs just replace the board. Not a do it yourself job. Expect a cost of $200.00 to $300.00

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I had a similar problem with my magnavox tv with the blinking light issue. Eventually it just didn't come one anymore. Looking at other forms they said the problem was a bad capacitor number 2074 located on the power supply board. When I opened my tv, I noticed that the capacitor was bulging and burnt up. I bought a new one labeled 2200uf 35v and did some solder to attach the new piece. Put the tv back together and it works like new. No more blinking light. I hope this helps.

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