Hey Josh, did you get the convergence fixed on your AV-56WP74? Mine is about 2 yrs. old and suddenly the RED went way out of sync. I came across with your post while trying to research for the cause. Normally you would pry the STK with a box cutter to separate it from the heat sink. Then use silicon paste or equivalent when replacing new part. Anyway, I am switching the 2 STK392-110 and see what happens? I had a feeling that the culprit is the IC103 (eeprom) on the Digital Convergence Board. Let me know what component part failed on yours:)

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