Question about Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV

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Picture will have red tint most of the time. Sometimes works great then turns red. Sometimes starts red then goes back to normal. Sometimes picture is almost completely red and images are blurred. What could cause this? I'm thinking something is going out.

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One thing you can try is turning off the TV and then unplug it for 30 seconds or so. Then plug it back in, turn it on, and see if the problem has cleared up. If you're lucky, the problem may be solved this simply.

I know this might sound odd, but you could also try unplugging your Cable/Satellite from the TV for a while and watch some DVD Movies or something like that. I've heard of this fixing issues like the one you are having. I'm not sure why it works, but I've seen many situations where it does fix the problem.

If the above doesn't work, it is possible a wedge that centers the yoke around the picture tube has deteriorated and fallen out. That would effect the color purity. You could check to see if this is the problem by removing the rear cover of the TV set and looking for a wedge that could have fallen. It should be laying in there somewhere if this is the case. Also, it never hurts to do a thorough inspection while you have the rear cover removed to see if you notice anything else out of the ordinary.


This could also be due to problem in the red cathode section in your TV.

The following could be checked as they are possible reasons for this problem:

  • Voltage on red video ckt.
  • Loose or print cut in red ckt.
  • CRT base loose.
  • Problem in red signal processing line.
  • Signal processor is defective
  • Connector loose somewhere.
If you are not able to figure it out yourself or don' t feel comfortable doing anything I have mentioned above, you may have to take the TV in to get it serviced.

I hope this helps! If it does, please be sure to leave me a good rating and some feedback. I would greatly appreciate it!

Best Regards,


Posted on Jun 02, 2010


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