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So frustrating, I replaced R-172 and R-173 as they had both gone open and I still have no color. I have a good black and white image but zero color.
When I adjust the color killer I get a momentary change of hue, but still stays monochrome. Hue control does nothing. The AGC threshhold control in the rear does nothing either. I had changed out C144, c145 and C151. I guess pull the chassis and investigate the color killer..... Hmmmmmm...... Geeze how did I miss M8? The color killer AGC diode.... Its just a switching diode and I've still got a pack of them in a drawer. I'll replace that and check some of those resistors in that circuit. -- Matt Davala |
Audiokarma |
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