Sony KP-46WT500 46" Rear Projection HDTV-Ready Television Logo

Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

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My Sony KP-46WT500 screen shows the tv image in blue only for a few seconds, then it goes completely blank (as if it were off). Do I need to replace the bulbs?

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Ours is doing the same thing only screen goes green

8 quick blinks then a few second pause

Posted on Jan 05, 2010

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It is rear projection TV that use 3 picture tubes of red-green-blue to show color picture on tv front screen.
Do you see standby red light blinking when TV shuts off after showing blue image for a while?
If red standby light is blinking, please count it how many times it blinks, there would be 3 seconds pause between blinks so count pause to pause and post it here to find out possible solution.
Thanks.


Posted on Dec 22, 2009

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It would be great to assist you in Sony convergence issue.
As you said, for some time TV shows bad convergence in picture that shows its matter of lose/ dry solder joints in D board, specially on convergence out ICs pins that need to be re-solder.
There are 2 big black ICs mounted on aluminum heat sink on D Board of TV, below image shows D Board location in TV.
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bc7880f.jpg
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Do you see standby light blinking?
There would be 3 seconds interval between blinks so count from pause to pause and let me know.
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