Question about Televison & Video
Mitsubishi hd1080 series tv, about 7 yrs old was working fine but now picture is distorted like 3d and black box appears? What's the problem and can I self fix or call tech?
It sounds that the convergence circuit has failed. It is a skilled work to make it right. If you have sound knowledge in electronics, you can do it by yourself. If you wish to get more details, check this site linked below. Pull up older posts there. Check the site with patience, as it has over 2380 posts now. All are related to electronic equipment repair help. If you search the site in Timeslide option, which can be selected from the drop down list at the top left of the display window, it will be easy to locate the related post. You can also do a search by type in the brand name to your device into its search box at the top right of display window.http://electronicshelponline.blogspot.com/
Posted on Apr 30, 2013
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Posted on Jan 02, 2017
SOURCE: Mitsubishi Projection TV HD1080
you need to replace your convergence ICs. Post your model number of your set, and I will post the correct stk numbers and a link where you can get new ones.
Posted on Apr 16, 2008
SOURCE: convergence problem?
You have a convergence problem. Here are some of the most common symptoms.
Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in but stationary.
Here is a quick test....
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 kit for your exact model. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself.
Posted on Jan 27, 2009
SOURCE: MITSUBISHI HD 1080 series
most likely the convergence Ics have failed. Check F9a04 and F9A05 pico fuses if they are blown you will need to replace them and the convergence Ics.They are located on the center board they are green and look like resistors without the color band. see the photo
Posted on Feb 09, 2009
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