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Old 04-13-2014, 07:14 PM
DaveWM DaveWM is offline
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tube swap did nothing, adj the burst amp transformer fixed it. I did it without the VTVM just tweeked about 1/4 turn and the tint range started working fine. Did not feel like pulling the chassis to start grounding out test points, I think I could have gotten away with a tube socket extender and forget grounding the N test point, not sure why they wanted the chroma signal grounded since the point was to peak the burst, but anyway it worked.
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Old 04-13-2014, 08:19 PM
old_coot88 old_coot88 is online now
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Great!Wisht there was a 'clapping hands' smiley.
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Old 04-13-2014, 08:24 PM
DaveWM DaveWM is offline
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thanks OC, will post up some new video later with the color bars, tried just getting some off the air stuff, but they keep changing the image so quickly that its hard to get a good shot to show the shift. I swear I think TV is speeding up shows, must be something to do with cramming in more commercials and then constant scene change to try and hold viewer attention spans. I have a DVD of the wizard of oz that I typically use, and freeze frame to get good color for setting flesh tones up.
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Old 04-14-2014, 04:28 PM
DaveWM DaveWM is offline
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https://www.youtube.com/watch?v=SoJ8fNDGwgE

latest video showing tint functioning as it should.
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