#31
|
||||
|
||||
#32
|
||||
|
||||
To get in the tuner pull the CRT (remove dial scales if in the way), remove the lamp holder/indicator needle assembly, remove ~6-8 screws from top cover and you will see the tuner shaft compartment. You may be lucky and only have the shaft off it's pivot/bearings. I had a thread on inductuner shaft repair let me see if I can dig it up....
EDIT: Found it!: http://www.videokarma.org/showthread...ght=inductuner It's been a year and my repair has held up to occasional use.
__________________
Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 Last edited by Electronic M; 12-31-2016 at 05:36 PM. |
#33
|
||||
|
||||
Thanks for the link. After some chipping away and persuation, I got the CRT out and inductuner opened.
The shaft is broken and first slider popped out. It's cracked near the front which seem to be the weak point. It's still holding together pretty well but the sliders don't make good contact. Spraying some degreaser into the mechanism helped a lot. I carefully popped the slider back in and by applying just the right pressure was able to get some reception. Not bad considering all the old components in it. It's going to be fun recapping in stages and seeing gradual improvement - I hope! Last edited by bandersen; 01-02-2017 at 04:05 PM. |
#34
|
||||
|
||||
Looks like the CRT has ion burn.
__________________
Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 |
#35
|
||||
|
||||
Yes, that's typical of 12JP4 CRTs. They use a straight gun and no ion trap. Not sure what they were thinking
|
Audiokarma |
#36
|
||||
|
||||
My favorite type of restoration. Get them going, restore in stages, watch 'em pop back to top notch performance.
|
#37
|
||||
|
||||
Hard to understand since there were Aluminized tubes available at the time, including the 12KP4.
|
|
|