This happened after a power failure. it is NOT some sort of letterboxing issue. The entire display has shifted, leaving about 1/8th of the screen black on the rightside.
SOURCE: Sharp Aquos LC-C3242U LCD screen go's black after power on.
I have (had) the exact same problem with my Sharp LC40C32U. I purchased it at CostCo 1 1/2 years ago. Because they changed their return policy I thought I was out almost a $1,000 but decided to ask them if they could do anything. Wouldn't you know they had an extended warranty that was still in affect. I called their service people and spent over an hour on the phone with them. After going through all the troubleshooting steps they arraigned for an in home repair (free of charge).The technician that came new exactly what the problem was and how to fix it. The kicker is no parts were bad, over time the 2 grounding points on one circuit board were not making contact correctly. He explained that the problem would be worse when the set was cold, as it heated up the grounding points would make a better contact. That's why it seemed to occur everyday first thing in the morning. He took the back off, removed the circuit board and cleaned the contacts. When he put it back together he tightened the screws down fairly tight, explaining that the factory does not tighten them enough which is why I (we) have the problem in the first place. This took all of about 20 minutes. I have not had any problems since. If you live in San Diego, CA the company that fix'ed my Sharp is Advanced Electronic Service.
SOURCE: Sharp aquos has green and white vertical lines
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.
SOURCE: My Sharpe Aquos TV screen stays black even when switched on!
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.
SOURCE: A Black square keeps appearing on screen, and wont leave
Hi big john
To answer your question;
What you have is closed caption(CC) in text mode.
To remove it ;
On the original remote there is a button labeled CC
Hit that button until you see closed caption OFF
Hope this help Cheers
SOURCE: sharp aquos model LC-32D40U screen goes black
The Sharp TV model LC32D40U / 41U "Black Screen problem" is a very well known issue. The inverter is losing ground contact which will prevent the back-light from staying on. The solution is to re-tighten six screws on the inverter board. You also would want to clean the copper contacts on then bottom of the inverter where the screws go through. Access to the inverter board will require some disassembly. Plan on taking at least three hours to repair. See the photo for the location of the screws. Use some "blue" locktight" on these six screws. There is actually a Sharp Technical Service Bulletin that describes these screws. Sharp wants you to replace these screws with a newer version. They cost at least $2.50 each! I think my method will work just as good using the "Locktight"
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