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The camera can't pick it up but there's a bright 4-3 raster on the screen. I'm feeding a crosshatch pattern with a 1KHz audio signal through the antenna leads. Sound is fine...no picture. I've tried a bunch of different RF levels with no change. Should I start by feeding a video signal through the video amp tube and work my way back? Is that a good strategy? All the caps and any out of tolerance resistors have been replaced and all of the tubes test strong or are NOS. Replaced the 1N34 diode with the recommended substitute. It's a shame I can't get an image on this. Very strong 7JP4...an RCA replacement that's almost NOS as well. If I can get this producing a picture, this will be a really nice piece.
Last edited by Chris K; 02-18-2023 at 08:42 PM.
Reason: More info
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02-18-2023, 08:41 PM
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