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did some more investigation --
Measured the R,G, and B horiz convergence coils, zeroing out the lead resistance. Sams says 3 ohms. I measure 2.9 for R&G, and 2.1 for B - it appears the blue horizontal coil may be shorted.
I also tried rotating the convergence yoke 120 degrees to see if I could get some blue horizontal action from the green coil, but that messed up the convergence so much it's hard to tell. (I was willing to readjust the DC, but I didn't want to mess up the dynamic for the R&G, which are just about perfect now.)
Last edited by old_tv_nut; 12-20-2009 at 01:58 PM.
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