I have recently purchased this TV from a friend who is moving for a great deal and noticed that the image seems to cut off on the bottom and possibly other sides. I have tried resetting power, adjusting focus, and scrolling through the various zoom presets that exist. I enjoy watching the news and I can not read the scrolling marquee at the bottom please help. Also my friend informed me that he had the TV serviced a couple months prior to for what he said was "some sort of chip was fried or something" . Appears that about the bottom 1 1/2" is being cut off.
Please Help! Thanks!
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Re: Entire image will not fit on screen
The set may be overscanning. You will need a service tech to evaluate this for you. It is possible that there are some failed components that can cause this problelm. It is also possible that there are some adjustments that can be done.
The first step is to find out if there is a problem or not. It is not very good practice to over adjust a set to compensate for a fault condition. Then there will be bigger problems soon after.
An experienced TV tech who is familiar with your set can make some diagnostics to know where the fault is occuring.
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On Rear Projection TVs there is a thing called "convergence" in which the color bands are lined up so that they can mix to make the colors that we see on the screen. When a TV of this type is moved or bumped around, or even near a source of electrical interference it can throw this out of alignment. Many TVs have options in their menus to set convergence.
I believe it is under Menu > Picture > Convergence I'm having trouble finding the exact process used for this, but it will be noted in your user guide as well.
If this does not resolve the issue you may need to purchase a convergence repair kit which requires a considerable amount of electrical knowledge and can take several hours to repair.
under the lenses are fixed lenses filled with a cooling compound and one of them seems to of leeked causeing it to shift when getting very warm l had the very same problem with a toshiba projector dirt and dust or even rust can make its way into the coolent curves, this might sound made but it could save you 100 pound, what l did was open the unit and turned on the set you can look into the lenses wilst its lit up and can see the peaces of dust thats buit up in small bits over the small tv screens there is a small opening where the oil valve is conected where the buid up of **** inside the oil cooling spring is you have to remove that and place a straw into the hole then begin to **** out the coolent untill its empty, then as you have sucked the dirt and old oil out of the chamber you can refill it with normal chip fat oil its just the same you may laugh but it worked then replace it all back polish the lenses then replace everything back turn on the set and its as clear as a bell no more floaters or shapes ... matthew ... email@example.com
its OK , TO play video games , DVR , etc , I own one myself and its about 20 yrs old , about the spot , I suggest to open screen panel and check the 3 color guns lenses , it could be dirty , hope it helps AJ
You need to take the Toshiba remote that came with the machine and go into a menu area that deals with convergence. Here's what the manual says:
This TV used 3 separate TV tubes, red, green, and blue. The R, G, and B images are pojected onto the screen wheree they converge to form a full-color picture. You can see a clear picture only when the three images converge correctly. Corvergence my drift over time, or if yo move the TV. I you can see clear images on your TV screen skip this procedure.
Make this adjustment only after the TV as been on for at least 30 minutes.
Press the TOUCH FOCUS (auto convergence) button on the front of the TV at the bottom.
The TV will enter into the convergence mode and adjust the converge automatically (that's what it says.)
TO ADJUST IT MANUALLY:
Press MENU, and the press < or > until the PICTURE menu appears.
Then press UP or DOWN to highlight CONVERGENCE.
Press < or > to display the Center Convergence menu
There's a lot more the book says, but, I can say from experience that you just go through the different sub areas of this menu and converge each color separately, and bingo, it's fixed.
most manufactures say not to have a still image on the screen for more than 15% of your viewing time. to fix this you will have to replace the optical assy. i did come across a sony projection where the burn in was actually on the screens themselves. the only thing you can try is to put an all white video pattern on your tv for at least 48 hrs.
The moving might have created a loose conection,the sets age tell me there are possible other overheated areas that need to be resoldered to prevent other symptoms,If you are familiar with tv service you can check the conections in the output transformer area,he is responsible for generating the high voltage that lights up the 3 picture tubes,before the Hight volatege gets to the pix tubes there is a High volage distribution box that separetes the voltage for each tube,check it and make sure is not degraded,you need to be very careful when dealing with these parts,there is a lot of volatge in that areas,If you are not familiar with tv service be safe and call for assistance froma servicer.