Continued question on Skewed picture and loss of control functions.
Would the loss of the controls also be a sympton of this issue? I just want to make sure that I do not have a power of other type of error / failure that may be in common with both symptoms; the skewed picture that is gone to b/w and the loss of the controls. It bothers me that even though I continue to have good sound that the controls will not allow the set to change channel or volume or to turn the set off.
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Re: Continued question on Skewed picture and loss of...
Not all the time but yes I have seen it happen about 60% of the time with the DMD board going bad. But it is possible that the DMD board is not the only problem your TV is having. The digital board (another board in your tv) can cause both these problems at the same time too. It is something that needs to be troubleshooted. But this info will narrow it down for you.
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Have you tried a different input like a DVD to ensure the issue is with the TV?
If the issue is indeed the TV then replacement of the video card (Or digital board) is warranted. If there is a separate board with all of the video inputs on it that would be the video board. If the main board in the unit has the video connectors on it, that is the digital board.
i would suspect your control buttons on your front panel on the set have become shorted. specifically the volume buttom down. This is freezing you control functions. like someone is holding the volume down button all the time. or intermitantly. this cuircit board is on front of the set. I have seen this problem a few times at the shop. The common repair is to replace that button assembly cuircit board. I believe the last time it cost the customer around 85 dollars, but like all things depends on the part and the technician that puts it in.
in your tv there is a light engine ballast.that light engine ballast controls the colour /picture quality.that engine is got faulty and that needs replacement.if the picture with distorted also looks dim then there is a lamp that also needs replacement with lightengine ballast.but if the picture is distorted but bright then no lamp replacement only light engine ballast.
this is very costly issue to get replaced.near to $350 plus the service charge of the technician who replaces the component.
thank you for using fixya.
You can adjust vertical height through the service menu, but i would recomed that you trouble shoot the vertical section as its probably a solder joint , leaky diode or something that is causing the problem. Often its bad solder at the vertical output IC itself that causes that sympton.