Question about Mitsubishi WS-55313 55" Rear Projection HDTV-Ready Television
After working properly for years-suddenly no picture
This actually explains a lot. You have HV since you can see light on the screen (the blue snow, and the CC words prove that you have raster and line 21 functionality). Having this information moves this problem from the HV section to the video section, You are receiving signal since you are decoding line 21 data (cc). What I suspect is your video driver/output IC might be malfunctioning. Now I could tell you to replace the signal board, but that is not how I do things, I believe in troubleshooting, so if you have a background in electronics, a multimeter, a schematic, an oscilloscope, a signal generator, and a little time you can get this TV working again. However if you do not have a background in electronics I would suggest getting a TV repair technician to give you an in home estimate on the repair of this TV, and getting the repair done by the technician. We do know that the TV is getting signal (cc tells us this), we know that the HV is working because the TV has raster (screen lights up), you have proper deflection (no rainbow effect) so the section that we should be concerned about is the video section.
I hope this help,
Posted on Dec 17, 2008
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Posted on Jan 02, 2017
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