RCA CTC...Something? poor HV output.

[Arcanine]

Originally Posted by Electronic M

Quick progress. The only vertical stage resistor under 2M I did not check (excluding controls which I skipped last session) was near the controls, and it was wide open....R102 150K .....I replaced it with another one on the top end of it's tolerance (t'was all I could find ATM).

Replacing it got me this.


I can't get linearity quite right though.....If I do the bottom (and sometimes top) is under-scanned, and centering is maxed downwards.....It's progress though.

This is the HO tube that died. I can't find any ID marks on it.

Oh... crap... That's one of my Dentron part numbered tubes. It's an unusual 6LQ6 tube. I tried it in the TV early on, and found it only works in HF amplifiers and not televisions despite being the same number. It's an optimized tube for HF amplification and not television.

Dentron's part number for those is D-50. http://www.radiowrench.com/sonic/so02182.html is what it came out of.

Those... are very expensive and hard to find (At least they were 9 years ago. Not looked in a long time). I forgot it was in that lot of tubes. I need to know if that RCA 6LQ6 tests healthy, if it does I can rearrange the HF amp's tubes and use the RCA as the driver.

If you don't mind test that RCA H-Out tube for me.

Don't worry dude accidents happen. I'm not mad at you. I'm MUCH happier to see a full picture on the screen of that TV then I am upset over a broken Dentron tube.