Re: refurbishing TM500 and TM5000 hardware


Kevin Oconnor
 

Most failures on these mainframes are blown pass transistors, rather than lytic caps.



I have 4 TM500 frames of various sizes. I can’t remember how many times I’ve replaced those pass transistors I’m some of them. Sometimes they seem to blow on their own and other times it was clearly a failed plugin.



I always felt it was a weak point in the overall system design of the modular interface approach.



Never have needed to replace caps in the frame.



Kevin

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