1968 Zenith 20Y1C50 chassis - advice needed

[joe111671]

Originally Posted by JohnCT

If you don't want to unsolder the pot to check it, put a jumper across R163 and measure the center tap of the pot to ground. You should be able to read to 50 ohms or less when you rotate the control.

John

Thanks John. It's 168 ohms.

If Chester's in Kenosha has one I'll grab it Monday, otherwise I found a NOS one online. Can that regulator tube make the HV excessive and unadjustable if it's bad? I might as well get one of those too if it's a possibility.