View Single Post
  #328  
Old 09-03-2022, 06:13 PM
Penthode's Avatar
Penthode Penthode is offline
VideoKarma Member
 
Join Date: Jun 2009
Location: Kitchener/Waterloo Ontario Canada
Posts: 1,462
Quote:
Originally Posted by bandersen View Post

I suggest you test the four 270pF mica coupling caps in the IF. I've found quite a few bad ones in early RCA sets.
I would refrain from touching anything in the IF strip at the moment. It will upset a alignment and we not have even a gain reference point at the moment.

I would suggest first Chris disconnect anything from the antenna switch on the tv set yo channel 4 and advance the contrast control fully clockwise and see if he can see snow on the screen.

It with the Leader connected with the contrast control fully clockwise if the picture loses sync and goes negative.

The CRT can tell many things if only we had a few photographs
Reply With Quote