1949 RCA 9TC275 Restoration

[Eric H]

Very nice picture.

I have a large console with that tube and chassis and it also has a great picture. (my avatar is from that set)

I wonder how much has to do with the Metal/Glass tubes having "precision" face plates, no distortion to speak of compared to molded glass tubes.
I suppose it being a higher end set they probably put a bit more effort into it also, higher 2nd anode voltage etc.

[Glenz75]

What an incredible picture on that! Its amazing how CRT's can be bought back from the dead and produce an image like yours. Great stuff.

[Penthode]

I have been bench testing the chassis for over a week. The electrolytics are holding but a few resistors had drifted and were replaced. Namely the first audio plate resistor hs gone high (resulting in distorted audio) and the positive end resistor of the horizontal hold control had drifted upward from 150kohm to over 300kohm. This made the synchroguide alignment difficult. IF aligment is still to be done.

I have had a go on the cabinet. It was pretty bad at the bottom with water damage. The veneer had split and the front legs fell off. This required a lot of glueing, clamping and wood replacement around the feet. I am in the midst of stripping the old finish. The large doors covering the screen have a faux marquetry that was printed on. Pretty cheap for such an expensive set ($469 as advertized in the September issue of "Life"). I found I can flatten the surface with fine wet and dry and I shall try applying a layer if varnish and then flatten until smooth. The marquetry painted surface is not too bad.

Here are some pictures to date.