Tv is missing a color green,recheck ur tv Ant.hole coaxial cable input.Take the cable apart and reconnect to the Ant.hole again see if this help?Not make a fist with ur hand bang on the tv back cover frame see if the color green come back or flashes?Yes,than the tv CRT video board that is connected to the CRT- picture tube have cold soldering joints around it video board connections sockets,require resoldering the socket joints connections between the CRT video board and CRT tube connections socket.U have tools like a soldering iron,a roll of solders and can do basic soldering work?Yes,this problems just require resoldering that it.
Blue should converge on top of "yellow".Bad connection(s)
on blue convergence IC.Replace both IC's for durable repair.
Check pico fuses.Reset convergence alignment.
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