Question about Memorex MLT3221 32 in. LCD TV

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The wordd memrox displays quickly and then turn off

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  • Memorex Master
  • 5,568 Answers

Since you do have briefly, this indicates that the more complex section of your set is working.

The assembly that can cause this is the power supply and this is a common failure in all too many of more recently built TVs.

The supply is normally built on a separate board since these are often out-sourced by set manufacturers.


Unplug your set overnight to allow potentially hazardous voltages to discharge, remove the back panel of the set so you can see the guts.

Look for a smaller board with larger parts on it; some cylindrical (capacitors), others block-like and relatively large (chokes and transformers).

You should also see a relationship between the board and the incoming AC.

It will likely be only plugged into various others with dissimilar plugs so it should be easy to remove and replace.

Check the board for a label or if not present, a stamped-on number.

Call the manufacturer's service center with your TV model number and the number found on that board and inquire about repair/replacement costs; if both are offered, they won't be that much different.

If you must buy a new board, don't dispose of the failed one as there are smaller companies that can repair it for less than the mfr. and then keep it as a spare as this problem will likely arise again.

Posted on Mar 20, 2011

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  • Master
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Please read my guides to get some understanding about LCD TV.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
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, long life rating such as PANASONIC FM or FC series.

Posted on Mar 21, 2011

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Posted on Jan 02, 2017

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