CTC 16 Tint Out of Range - Videokarma.org TV - Video

southernguy · #1 03-14-2006, 11:14 PM

Tonight when I turned on the CTC 16 I noticed the tint was way off. It has shifted towards red. Before you could get a good picuture with it set in the Center. The Gray Scale is fine. So off the back goes. Anybody got any good sugestions

jpdylon · #2 03-15-2006, 01:16 AM

check the 3.58 mhz oscillator tube. It may be acting up causing the color drift. The crystal could also be the problem.

daro · #3 03-15-2006, 06:04 AM

Quote:

Originally Posted by jpdylon

check the 3.58 mhz oscillator tube. It may be acting up causing the color drift. The crystal could also be the problem.

I don't suppose the tube in question is a 6GH8 as was used in so many US colour TV's in the 60's

jpdylon · #4 03-15-2006, 03:39 PM

I wouldn't doubt it. Every color set I've worked on, especially philco and zenith had 6gh8 for the 3.58 oscillator. EIther the circuitry was just hard on the tubes or they were a poor design. I've never found a set that didn't have a dead or shorted one.

southernguy · #5 03-15-2006, 07:59 PM

Pretty sure its a 6GH8 in this set, I was so tired last night I didn't get a chance play around with it. I hope its the tube and not the crystal. Thanks for the tips.

frenchy · #6 03-15-2006, 10:51 PM

If it was the crystal I wonder if you could get good color at ANY point in the tint range(?)

southernguy · #7 03-16-2006, 05:40 PM

Tried another Tube, I got good picture now, but the tint control is all the way towards the green side.

old_tv_nut · #8 03-17-2006, 05:09 PM

Sounds like it needs alignment for different tube capacitance?

reeferman · #9 03-20-2006, 12:11 AM

Center your tint, adjust the burst for good flesh on a reliable show, and enjoy.

southernguy · #10 03-26-2006, 05:48 PM

That was a very simple fix, thanks reeferman, The CTC 16 is back to normal,