Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV
The set should have vol controls on its remote and the set and in the main menu for audio there should be a number of customer adjustable settings.
Posted on Nov 01, 2012
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Posted on Jan 02, 2017
i was having these same problems with the screen going black, and i found that when i hit the back of my tv it would work sometimes. so, i improvised on some of the advice on this page and so far no problems. here is what i did (its very easy):
1. lay the tv on the floor and take off the back panel. (i think 12 screws)
2. on the right side of the tv (as you are looking at the back) you will notice a large metal covering that is held in place by 6 screws. unscrew these and remove the metal cover.
3. you will notice that the three screw holes on the left side of the board have some sort of metal or solder around them, in sort of a star pattern. when i looked closely i noticed that most of the metal (solder) was tarnished, or kind of blackened. (this must mean that the ground screws werent getting a good connection and this would explain why it would work sometimes when i hit it because it would vibrate the screws enough to get a good connection! )
so, take a pencil eraser and erase all the black or tarnish off the metal surrounding the screw holes. thats it! (to be safe i took some sandpaper and cleaned up the screw holes on the back of the metal covering, but i dont know if that was necessary)
at this point i followed another gentleman's advice to do a hard reset. this involved unplugging the 8 connections although i dont know if this was really necessary because i believe my problem was a ground issue. i did it just to be safe. his advice is on this site if you want to do this step.
4. i put everything back together and it worked! i performed a soft reset at this point which puts your tv back to factory settings. just go to menu>setup>reset>return to factory settings? yes
this will turn your tv off and back on. that's it. so far so good for me.
Posted on Dec 18, 2008
You must contact a svc co. This is a upper or lower buffer board problem and possibly a control board. Nothing you have done wrong, it just happened.
Posted on Feb 28, 2009
Call up Sharp, if you are part of the AQUOS Advantage Program, you get FREE in home service along with the repairs for it.
They'll give you a case number, set you up with a technician and BAM!
I called on a Wednesday and got an appt for that Saturday for the technician to come to my house.
I doubted Sharp alot less after that.
Posted on Sep 03, 2009
Reset all audio factory setting.Tries unplug,replug it well work,if ur backlight video board it still good.
Posted on Dec 17, 2009
Testimonial: "worked like a charm thank you so much, i was about to throw in the towel and get a new tv, now i don't have to thanks again"
I have the same problem I'm sending 1080i to the screen and it will only display 480i. I too would love an answer to this question.
Posted on Nov 23, 2010
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