The TV was fine when I went on vacation. When I turn it on I get sound but the screen is full of white and black small rectangles, looks sort of gray. Obviously the bulb is working. I see nothing but this when I press the device button, but I was able to change to the DVD and hear the sound of the DVD I was playing, also the VCR and change channels with the VCR. I did this because I can remember how many times to push each button.
In any device mode I only hear the sound. I have tried the system reset twice and disconnected the powder once.
Any suggestions? I can be reached at email@example.com if you need an email.
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Re: Sound but no picture
Good Day, gary;
It sounds like the TV has a bad formatter board. This board is not available from the factory, it must be repaired.
Tile or block pattern with no video or OSD. Check D8F00 and D8F01 part # 264P828010, also check C8F26 and C8F29 part # 141P148000 (1 uFD, 25 V) on the FMT PCB (part # 930B924002). Remember FMT PCB is not available.
Good Luck, Big Irish.
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As you told big picture freeze is working ,then there could the problem in the main processors which not to able pick video input signal ...If you would like to attempt a DIY, you will need a service manual to guide you. You can find one here:http://servicemanuals.vstore.ca/ which also contains the part number incase you need a new part...
A 1995 60 inch rca good picture and sound. Then it started a cracking noise and a hissing sound, then the picture went blurry. then it was nice picture and sound, then it died. took the back off and turned out the lights. Plugged the tv in and out from the wall socket and there was a sparking noise and a small arc when i plugged it in and out a few times ,at the part that the power plug plugs into.The white part that is beside the white power plug part has thick red wire coming out of it and goes into another plug that has more red wires in it. but the big white part beside the power plug part looks burnt and has black powder on it. that part is probably the problem but maybe not, what it the name of that part and how much would it cost and is it plugged in or soldered.
Mitsubishi list this problem and has a solution of replacing several small surface mounted caps and diodes. we have tried this repair 5 times and only successfully done it once. so replacing what is called the formatter board part # 930B924002 for around $ 350.00 usually repairs this type of failure, However changing this board is a time consuming thing and takes a lot of Patience. It is buried deep in the set and several other board have to be removed just to get to it
you can ask a good tv Technion man, since if it happens to be like that then in coming day u will have to face problems. So since this very common problem which will arise in old tv. Actually the real problem is that, some parts in the board may have become weak or the molded part in the board may have fallen down ,so changing that particular part or molding again may fix that problem. Since i am not an Technion I don't the right terms to help u.I have see this problem in many places and
don't worry your picture tube is well and good.
I had the same exact problem.
I removed the bulb and cleaned it. There is a small screen at the top of the bulb and it was covered with dust. Once it was cleaned I replaced the bulb and it solved the problem.
Thanks to those who posted the solutions