Silvertone 113/110.700 - Videokarma.org TV - Video

mr_rye89 · #1 02-28-2022, 10:18 PM

Look what followed me home today! 1949-50 I think, built by Air King maybe. 12LP4A picture bulb. Knobs, HV cage, rear panel are all present, 5U4GB isn't lol

pallophotophone · #2 03-01-2022, 09:32 AM

General Electric CRT ? I'll bet its still good.

AlanInSitges · #3 03-01-2022, 09:50 AM

What a sweet set! It was probably worth more as a 5U4

Looking forward to see progress on this one.

mr_rye89 · #4 03-01-2022, 09:50 AM

Yep the (GE) CRT is good. I found a burned 4.7k resistor on the damper next to a sketchy looking wax paper capacitor. I may swap those and see if it will come up on dim bulbs. The dang schematic I got is the wrong one, but is similar enough that it took a while for me to figure out. Reading those pf value molded paper domino capacitors is a real pain

Kevin Kuehn · #5 03-01-2022, 09:47 PM

Very nice find.

I located in Riders 5-1, as Air King models 12T1, 12T2, and 12C1, chassis 700. Your Silvertone version is way out in Riders 10-1, and they show the exact same schematic as the earlier Air King (drawing number 5958). Seems like the Sears chassis no. 110.700 even corresponds to the Air King chassis 700. It appears they used that same chassis with slight modifications with every CRT size under the sun, including rectangular ones. Oh and you probably know it's basically the same Air King chassis in Sams 121 folder 3.

mr_rye89 · #6 03-01-2022, 10:57 PM

I couldn't find it in Rider's

There's a burned resistor on pin 3 of the damper (6W4GT) the (wrong) schematic doesn't show any resistor on pin 3.....

vortalexfan · #7 03-02-2022, 02:31 AM

Quote:

Originally Posted by Kevin Kuehn

Very nice find.

I located in Riders 5-1, as Air King models 12T1, 12T2, and 12C1, chassis 700. Your Silvertone version is way out in Riders 10-1, and they show the exact same schematic as the earlier Air King (drawing number 5958). Seems like the Sears chassis no. 110.700 even corresponds to the Air King chassis 700. It appears they used that same chassis with slight modifications with every CRT size under the sun, including rectangular ones. Oh and you probably know it's basically the same Air King chassis in Sams 121 folder 3.

I might have a physical copy of the Sam's folder for this TV in my Sam's Photofact Stash that I could upload or email to the OP.

Kevin Kuehn · #8 03-02-2022, 10:01 AM

Quote:

Originally Posted by mr_rye89

I couldn't find it in Rider's

There's a burned resistor on pin 3 of the damper (6W4GT) the (wrong) schematic doesn't show any resistor on pin 3.....

Here's a couple pictures from Riders. Unfortunately I have no way to scan these large pages but these pictures turned out quite clear. If you left click on you can zoom in.

https://live.staticflickr.com/65535/...be7ab96d_k.jpg

https://live.staticflickr.com/65535/...2c168bef_k.jpg

Kevin Kuehn · #9 03-02-2022, 10:06 AM

Quote:

Originally Posted by vortalexfan

I might have a physical copy of the Sam's folder for this TV in my Sam's Photofact Stash that I could upload or email to the OP.

I'm sure that would help with the visual orientation when locating components.

mr_rye89 · #10 03-02-2022, 01:43 PM

Awesome! Thanks! Looks like it’s a 47k resistor that cooked

mr_rye89 · #11 03-03-2022, 11:23 PM

Brought it up on dim bulbs. sound works, horizontal runs....drew a teensy weensy arc off the HV anode (at the jug), not enough for a raster. I think this set runs in the 10-12KV range, and that should draw a decent arc. The B+ is low I think. I may just go ahead and get new caps