The red on the convergence adjustment screen will not adjust properly. When the tv is turn off the on again it will change position on the convergence adjustment screen
SOURCE: Mitsubishi VS 4552A
One of your convergence IC's has either cracked loose or burned out. The IC will have to be resoldered or replaced and then the convergence circuits realigned. If you do not have experience in repairing convergence circuits then have a qualified tech handle it for you. This is by far the most common failure in the projection sets and a good tech can have it fixed in about an hour and a half. I charge $150 for that but shops in your area will vary, so call around.
SOURCE: Projection TV Convergence
they have inherent problems with the glycol oil used to cool the tube leaking past the bladders & onto the boards.... & it's conductive :p
SOURCE: Convergence adjustments
Replace both convergence ICs nuber STK392-040 that should take care of the problem. you can get new replacement ICs at the following link and they will send free instalation instructions with pictures so you can install the new ICs. heres the link.
http://servicemanuals.vstore.ca/
SOURCE: mitsubishi ws48511 convergence problem
Your model uses one convergence IC its a STK392-110 you need to replace that IC. You can get a replacement at the following link with free instalation instructions with pictures so you can do the repaair yourself. Here's the link.
http://servicemanuals.vstore.ca/
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