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Old 12-22-2021, 08:29 PM
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bandersen bandersen is offline
RCA 741PCS
 
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,814
Rookie mistake. I was interrupted while recapping and forgot to install a new coupling cap between the video detector and video amp

My recently refurbished Tek 454A scope quickly pinpointed the problem.

Recapping is now done on the IF and video circuits and the image is lousy. Also, the tuning is one channel off and sound/video are mile apart on the fine tuning. An alignment is definitely in order.

Also, bad horizontal fold over if I increase the width. Still need to finish recapping the sweep circuits.

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