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I really never cared for those 19" Magnavox sets with the upright modular chassis, either. They pushed those power supplies to the limit and, as a result, the power supply section was the most common failure. Another common failure in those was the 4 lead safety cap. That cap is just a high voltage paper cap. You would think that they would have used an orange drop by the late '70's; but, I guess not. I used regular orange drop caps at the correct rating to replace the shorted safety cap in the last one of those sets that I fixed. And yet another common failure was poor solder connections on the module sockets.
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