Sigh. I was full of hope when I reinstalled the recoated mirror, and then things began to go south. At first, the only problem was (still) bad focus, and when I changed one resistor in hopes of addressing that issue, the image size suddenly shrank by about half.
You can read more (much more) by looking at this article-in-progress; it includes links to the full Riders and Sams service manuals, as well as a pretty full recap (get it?) of what work I've done so far:
https://antiqueradio.org/Emerson609P...Television.htm
Scroll down to the end if you're impatient and want to know where things stand at the moment.
Has anyone restored an Emerson 609 before? I'm fairly confident about the electronic side, but the Norelco Protelgram optical box with its mirrors & lens & whatnot is new to me.
I'd appreciate any advice from someone who has tamed one of these beasts. At this point, my plan is to move all the chassis back onto my workbench and start looking for a cause of the sudden reduction in image size. You can see on the CRT face that the image is smaller than normal, so I assume the problem is on the electronic side, not in the optical/mechanical parts.
Thanks!
Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html[/url]