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1960s Sylvania Color TV Console Issues
Hello everyone, late last year I had picked up a 1960s vintage Sylvania Color TV Console from someone on Facebook Marketplace, and its a hybrid set, and my first hybrid set I've ever worked on.
I've tested the picture tube's emissions and it tests on the lower end of the green area on the tube tester, and it does produce a nice bright picture still, but the TV has some deflection issues and I think it has to do with some of the electrolytic caps in the deflection circuitry as the deflection circuitry of the TV is both Tube and solid state and the electrolytics are in the solid state portion of the deflection circuitry. The majority of the coupling/decoupling capacitors in the tube portion of the circuitry are orange and brown drop mylars but there are two of the older style tubular capacitors in the underside of the chassis, one of them is a black tubular cap with yelllow writing sprague tubular cap (which it seems like I had read somewhere that the black tubular caps with yellow writing on them from Sprague were usually mylar caps), and that cap is across the power plug and then there's a Bumblebee looking cap going across the plug for the speaker but I'm not sure if its a paper cap or if its a mylar type cap (as I didn't think they were still producing and using paper caps in the 1960s but I could be wrong.) I checked the ESR on all of the Filter caps (the large metal can caps) and they all measured between 1/2 ohm to an ohm of ESR on them. Is there any suggestions for how to go about repair/restoring this TV so that I could put it back to every day use again, since this is my first experience with a Hybrid set? Pictures below. |
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