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The driver transistor is gone . get another wega from a thrift store if you want for $10 or craigslist. CRT 's are getting harder to dispose with the lead shielding. you could pick up a flat screen for not much these days, Plasmas look more movie like
Just went thru the same problem with my sony kv-34. There are two IC's on the D circut board located on the left side looking from the rear. If you can solder 18 pin IC's without making a mess it is possible.If you have a friend thats real good with a pencil tip solder device. I recomend putting sockets in where the IC's were as you won't have to worry about overheating stuff next to the IC's.Do a google search: Sony led flashes ad select the second hit in the list.
If you are comfortable with working inside the set where there are potentially dangerous high voltages present, you can probably fix this easily. Open up the back and remove it. Plug the set back in and turn it on. In the lower right hand side will be the flyback transformer (large red wire coming out of the top and going to the side of the picture tube). DO NOT TOUCH IT!!! On the back of the flyback should be 2 "knobs". One will be marked screen and the other focus. Carefully adjust the focus until the picture is clear. When you do this, go beyond the clear point and work the control back and forth a few times before settling in to the focused spot.