My problem is similar to the one I just read. When I run the TF setting in front of the TV when it gets to the RED lines it shows one of the lines like a SINE wave or curvy instead of straight across the screen. The picture on the TV also shows double-vision.
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Re: Touch Focus Error
You need to replace both of the STK392-110 ICs you can get replacements at the following link and they come with free instalation instructions with pictures. Here's the link. http://servicemanuals.vstore.ca/
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you have a convergence problem it will require a couple new ics its best to replace as a pair stk392-110 although i recommed using the stk392-150 as a replacement and also there are some jumpers that should be resolderd on those boards to assure continued operation hope this helps you
Yeah, seen that more times than I shoulda in the last 4 years. The red picture tube has a cathode to heater short. That means it's no good. That red picture tube is no longer availible. But all is not lost. There is a company that rebuilds those tubes reasonably. Most reputable tv shops will know this. The ones I've done cost around $450 out the door. One minor hitch is that with all the shipping involved the job usually takes about three weeks. That can be expidited but then the price goes up.
These are retrace lines. The screen on the red tube is turned up too high. Inside the set there are 6 knobs. 3 for focus & 3 for screen. Turn down the red screen until lines are gone. These knobs are usually found by pulling of the front panel.
change the l.c.d colour corretion board new £ 400 not worth doing in my opinion part hard to get i stopped reparing these 5 years ago . agro agro agro ebay part not good these sets have a horrible short life
replace the focus block or try to adjust the screen control on the focus block for red only. this will affect the white balance of the set so adjust it carefully. the focus block is located on the front inside the set. remove the speaker cover then the 4 screws on the front plate. the focus block is 3" x 2" black box with 6 adjustment posts three for focus and three for screen. adjust only the affected screen (R).
If you have the ability to work on solid state electronics and know how these circuits work, you will need to replace the convergence IC's in this TV set. If you do not, call in a pro to assist you in this repair. Good Luck