Question about Toshiba 42H81 42" Rear Projection Television
You may have a convergence problem. Here are some of the most common symptoms.
Using your original remote go-to the tv settings then goto the convergence section.
Try to adjust the red and then the blue convergence.
You should be able to move them up, down, left, and right.
If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.
Posted on Feb 05, 2009
Did you move the TV with it on, or place a speaker near it? Unshielded speakers will cause the colours to do like you describe. Also sometimes a vacuum cleaner can cause this. The solution is easy. first, try moving any speakers away. if that doesn't help. Cycle the power several times [some TV have an internal degausing coil, but it is not very powerful.] the last reort is to have a tech perform a degausing for you. This is done with an electro magnetic coil. If this doesn't help, then either you described the problem in too few details or I misunderstood your description.
Posted on Jan 01, 2009
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Posted on Jan 02, 2017
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