The most likliest cause would be a issue with the RED CRT drive board around 35.00 from www.tvrepairworld.com
it could also be an issue with the RED CRT itself but thats doubtful as usually the set will shut down if the CRT itself has an issue.
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I no longer have any Red color. Only yellow and blue. I've fixed a problem with a fuse on the deflection board. That fuse kept blowing so I re-soldered the FBT and it worked for several months. Now my red doesn't work. This just began last week and I didn't see any evidence of anything blowing. What are the potential problems, how can I narrow down what is the precise problem, and how do I fix them?
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