HI all first poster here but long time user of this great forum. After weeks of research I have repaired my Sony KP-57HW40 the typical convergence STK replacement and one 5 amp fuse on the – 22v power supply. Worked great for an hour. Then the screen turned very red and the dreaded 5 flash. I adjusted the red down via the focus block and much better but still color is a bit off yellowish. Replaced the IC701 TDA6120Q/N2/S1 on the CR board no help. I noticed test point 7101 is much lower about 50 volt with a meter. Compared to about 150 on the others. Jungle chip? Shading circuit? A bit lost now. TV works ok just a bit yellow tint and a 5 flash.
Thanks to all for your help
Mark