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I had this problem in a ctc-15 clone but it has been several years and I can't remember what the exact fix was. I know I replaced the crystal but it seems like there was an open coil in the osc. section. I think I salvaged one out of another ctc-15 clone chassis and that did the trick. Would probably be good to check all the voltages at the 3.58 osc tube.
I think I did use a scope to try and check out the 3.58 signal but it doesn't really seem like a necessity...the dc voltage readings should lead you to the trouble.
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