Question about Sharp LC-32SH20U 32 in. LCD HDTV

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Sharp lc 32sh20u when power on displays "please wait" and the screen within a split second or 2 disappears to a black screen. THe power light is still green or on. Audio still works. trying touchingthe screen but no impressions after the initial "please wait". replaced inverter and tcon boards and same issue. Hopefully the supplier parts are good. Could it need a new main board,power supply board or screen or CCCL lamps replaced?

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WELL FOLKS I just FINALLY found what I have been searching for, I own a Sharp LC 32SH12U LCD TV that has begun to show problems with it's picture, Now it's sound is great no change..But it has gotten to the point that when i first turn it on all I get are three or four bright WHITE lines on the right side of the screen. They are a bout one third from the very corner of the screen.After it warms up for a while, MOST of the time it will just pop up and go to working just fine, that is what was giving it away to me that it HAD to be a something generally easy to fix, And in all of my searching I FINALLY found what I was looking for..Rite here on FixYA.com...There it was right thre in PLAIN ENGLISH..(( The T-CON BOARD )) Timing Control or LCD Controller..Board. on teh LCD panel Assembly, It transfers the image signal of the TTL and LVDS signal to specific TFT but What you all really NEED TO KNOW is JUST what is going on with your TV set when the T-CON Board is going bad, And I am about to tell you....So her ya go.. If you TV has any of these symptoms Well then I can pretty much say that your T-CON Board is bad or going bad...OK..If you have A Scrambled Picture,LINES,multiple Pictures Color smears, blotches, Rolling Pictures after warm up, Blown Surface mounted Fuse No Picture, Very Dark Screen almost like there is no backlight....Folks if your SHARP LCD TV is doing ANY of thsi then you just may need to replace your T-CON BOARD!!!! Hey it beats buying a new TV RIGHT!!!! GOOD LUCK FOLKS!!!!! I have already bought my replacement T-CON Board, as soon as I get it and install it I will let everyone know how it went!! PLEASE CROSS YOUR FINGER"S AND PRAY THAT THIS WORKS FOR US!!!! Thanks Wade in Eastman Georgia...

Posted on Mar 30, 2012

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It may have gone into shutdown mode after it trys to turn on all the power supply section, it can be the power supply itself has the problem or may be the backlight inverter board has shorts circuits.
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:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

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.

Posted on Oct 02, 2010

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