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Old 12-28-2011, 10:43 PM
ChrisW6ATV's Avatar
ChrisW6ATV ChrisW6ATV is offline
Another CT-100 lives!
 
Join Date: Feb 2007
Location: Hayward, Cal. USA
Posts: 3,552
Update, finally

I cannot believe it was six months ago that I last posted about this set. I did the recapping on and off as time was available, with the electrolytics only "restuffed" minus the can tops for now. Last night, I reinstalled the tubes. My Variac must be buried in my shed, so plan B was to plug the chassis into a Kill-A-Watt device and monitor the current. I fired it up without the rectifier tubes and it drew less than an amp, then I added the 5U4s and it read about 2.7 amps, and I got hiss from the speaker. A bit of adjustment and I had a raster on my 5AXP4! But... Then I saw smoke from near the transformer-oh, no! I saw there is a covered area behind the transformer, and I opened it up and see it has power resistors, covered with dust. I cleaned them and reapplied power, and no more smoke (whew!). Next, I connected a Channel 4 signal from a digital tuner, and I have good sound as well as video, but the horizontal is off-frequency and the hold pot does not change it. Still, I am 95% successful already. I posted some pictures below. First, the "after" recapped chassis, next is the dust-coated resistors, last is the raster on the 5AXP4.
Attached Images
File Type: jpg IMG_0658small.jpg (77.4 KB, 60 views)
File Type: jpg IMG_0654small.jpg (50.3 KB, 133 views)
File Type: jpg IMG_0656small.jpg (56.9 KB, 81 views)
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Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did."
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