Question about Memorex MLT3221 32 in. LCD TV

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My screen goes directly to black when I turn on the television. The Memorex trademark comes up first and that's it.

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I worked in electronic repair for 20 + years and recently have have this model in my shop...the problem turned out to be a ruptured electrolytic capacitor on the power supply board reference number EC17 in the backlight inverter supply....Changed this capacitor along with the capacitor next to it ref # EC18, and television worked fine...these capacitors are rated for high temp and high frequency...their value is 10uF/450Volt 105 degrees can obtain them from NTE electronics at a cost of about 4-6 dollars each.

Posted on Dec 08, 2010

  • creon86 Apr 16, 2011

    i see two capacitors that are bulged out at the top,figured that was my problem but wasnt sure...thanks for the accurate details



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1 Answer

Tv turns off by itself

This may be a case of something overheating inside the set---check to make sure airflow is not restricted or blocked---set in enclosed area where it cannot cool.

Mar 12, 2012 | Memorex MLT3221 32 in. LCD TV

1 Answer

32 in, LCD will turn on, sound but no picture. It was playing and just faded out, can't get the set up screens or any thing. When turned on it acts like it will come on for about 5 sec, picture starts to...

0ne of 3 has failed:
(in order of probability):

1. Backlight inverter
2. Power Supply
3. Backlight

More specifically on #1 and #2 - capacitors either bulging, leaking, or exploded.

Please seek the expertise of an experienced TV repair technician - as they contain potentially lethal voltages that must be properly discharged before work can begin.


Feb 01, 2011 | Memorex MLT3221 32 in. LCD TV

1 Answer

Screen come on than turn black

You have problem with either capacitors or inverter and need replacement.

Jan 18, 2011 | Memorex Televison & Video

1 Answer

I turned on my tv and the memorex logo comes on the screen then it goes dark then the pictere comes in for 2 seconds then the screen goes black again. I have sound but no picture. I can't even bring up the...

LCD sets (other than those very new) use fluorescent back lighting to produce the picture. Those lights require high voltage to ionize them so the problem could be either the tubes themselves or the inverter that produces the high voltage is failing. Anyone with some degree of manual finesse and possessed of logic can cure this problem but it may be difficult to identify the failed part accurately meaning that if you 'shotgun' the problem, you would need to replace both the tube(s) and the inverter board. The latter is in most sets as a separate assembly which derives its operating voltage from the main power supply and will be obviously attached to the fluorescent tube(s).
The board will have to found from the manufacturer or a company that disassembles scrapped sets.
Check with the site below for availability:
Jimmy's Parts
Search on your set's model number and the term 'inverter.'
The tube(s) can be bought from several US suppliers.

Oct 17, 2010 | Memorex MLT3221 32 in. LCD TV

1 Answer

Memorex sign comes up and then screen goes black.

Im guessing this is a lcd television. IF so i would suspect defective filter capacitors in the power supply.

Oct 17, 2010 | Memorex Televison & Video

1 Answer

My tv starts up normal displays a picture for about 3 seconds and goes black with only sound coming from it

back lights are going out if you get in the right light and look verry closely at screen you will see picture . if you do the backlights are going out probly the inverter boards

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1 Answer

The memorex brand icon comes on briefly when i turn on the set

Try the link.It may help.

Jun 01, 2009 | Memorex Televison & Video

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