Question about RCA P56923BL 56" Rear Projection Television
My Mitsubishi has a convergence problem as well as video display issue. It powers up fine and shows inputs and channel display on screen. It also has sound. But not getting any diplay video from either inputs and anntena signal. Blue screen shows when you select other inputs such as DVD, DTV etc. Already replaced STK convergence ICS. I as other member was able to get tv signal and raster by removing GENE-CONVERG board. I even swapped GENE CONVERG board from no success. Also convergence is bowed at top and right. When attempting to select Advance Convergence to show ADvance screen Adjustment, It does not come on. When Attempting to adjust convergence it does not move on either ere or blue convergence. . Any assistance is greately appreciated. convergence is bowed at top and right .when attemting to reset convergence on screen menu it was gone on list menu.
The most likely cause is shorted convergence chips and possibly a few pico fuses.
These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.
When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.
Here are some of the most common problems with these sets...
Problem #1) Convergence
Yours may have one or more of the following symptoms...
*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound
Another common problem is dull or washed out video.
Your set may have one or more of the following symptoms....
*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture
You can see some more examples and find a fix herehttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
Posted on Apr 18, 2010
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Posted on Jan 02, 2017
also check resistor values on the chips and resolder the tuner as this can cause problems as they heat up , then replace any electrolitic capacitors in the video circuts selector ic
i will be back to see what you get
Posted on Oct 26, 2008
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