Blue out of line and a curved line across the screen
Alright after reading several of the detailed problems and answers on this site I'm fairly certain that part of the problem invovles having to replace two Convergence IC's (STK 392-120) and several resistors..(6 in total)
But incase I am wrong, here is the complete problem...
At the moment the tv has no colour. It is in black and white, with a double image of sorts behind all objects on the screen. When I attempted the digital array the blue is out of line.
Also.. from the top left corner to the bottom middle there is a solid line in the screen in a curved shape towards the bottom left corner. Now this I have no idea how to tackle. Feel free to look at the pictures to see if it helps..
Ignore the white line in the digital array image as it is just the flash reflection
Any and all help will be greatly appreciated
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On this model KP-57HW40, if the screen is blue with or without some slight curved trace lines---either you have a bad BLUE picture tube or maybe an adjustment that can restore the set to normal operation.
A lot of these sets had bad picture tubes----if a bad tube they are not available--only way to get one is remove the bad one in the set and have it rebuilt--very expensive and usually not worth the costs.
Let me know---if you go to a unused video input--is the screen Blue with or without faint curved lines?
If it is I can give you fairly easy instructions on how to try to adjust for this-----Understand: if the adjustment corrects the problem you may only be buying some time with this set---if the problem was caused by a bad tube---sooner or later it may come back...
Let me know if you want the instructions and I will post them here for you.
red, green, and blue lines curve across the top of tv is cause by defective convergence STK IC or you have open resistor at convergence section. if you have defective RGB Color vertical ramp probably you have defective STK IC..
blown fues on the G board, that should fix my problem and or might need to replace stk392 convergance amp ic's ·http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm ·http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html