I HAVE BEEN WAITING FOR REPAIR OF MY 51"SONY TV TO BE FIXED,FOR ALMOST 2 MONTHS. I HAVE BEEN WAITING FOR 6 DAYS FOR YOUR CALL FOR A NEW TV BECAUSE I WAS TOLD THE PART IS NO LONGER AVABILE AND BEST BUY IS TO CALL SO I CAN GET A NEW TV. HOW MUCH LONGER MUST I WAIT FOR ACTION...
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call sony. they have been offering new tvs at a discounted price for that problem. whatever they offer take asap. yes its a throwaway tv. sony the only company that is helping customers with that problem, other manufacturers say tuff. 18002822848.
Thats caused by a convergence failure. The Sony type 1 convergence repair kit from www.tvrepairworld.com will usually correct that issue the kit contains the components and the CD with repair instructions so you can repair yourself.
you need a green CRT thats whay you have the white kind of concave lines with the green screen. You can try adjusting the green screen control but you need anew CRT ( tube) the speaker cover has two plastic plugs that get removed on the lower edge os the grille which covers the two screws that hold the grille on. If you need more assistancr or where to get a green CRT let me know as I have a link that has some green and red Tubes for your model.
I repaired a KP53SH30 with 6-blinks error.
Sony says the error indicated loss of or short on the 5V regulator. The 5V regulator was bad, so I looked at the 6-volt regulator (it supplies 6-volts to the 5-volt regulator input.
I found a bad capacitor on the "G" board. The top was bulged. It was in the 6-volt power supply. I replaced the 6-volt regulator, the two caps on the input, two caps on the output. I also replaced the comparator chip. I don't know what part was bad, but these parts did the trick. I bought all of the parts at Mouser for about $10.00.
If you are a techno, I can send you the service manual if you need it.
I just noticed your code is 4-blinks.
Sony says it indicates +/-15 volt not supplied, and IC8003 is faulty. Hope this helps,
The tech is correct about the internal short inside the blue CRT. There is a way to remove that short by applying a small amount of current to burn the short but that might damage the CRT even more. At this point the CRT needs to be replace.
I will post the instructions on how to remove that short but you will need to have a good regulated power supply and limit the amount of current to 1 to 2 amps.
loose connection inside i would check the convergence amp area. Convergence amp ic bad http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html Sony Convergence http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/ http://www.techlore.com/article/19631/Sony-Convergence-Procedure/
I would guess your problem is more likely the green drive bd (the circuit bd mounted to the neck of the green tube) it might be the tube but it doesn't have to be and I have seen many drive problems on sonys. I think the usually call it the CG board if you want to locate it and put it on it probably is relatively inexpensive. By the way my opinion for what it is worth the Toshiba is much better than the Sony.