Finding a schematic for a set that age is going to be hard, you could purchase one for about 15 bucks but not sure its worth the expense. I assume this set has startup circuity on the front side of the flyback transformer, have you looked at that to make sure its working, its been yrs since I have worked on this set but if I recall they had some issues with that transistor going bad.
SOURCE: television problem
the green led actually means its out of standby.advance the a 1 control to see if you have field collapse.dry jonts on the regulator ics is a common problem too....steve.ps.if the crt heaters are lit ,the psu and line stage is functional...
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