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8-bit acorn hardware • Re: Master 128 no beep no display just cassette motor relay click

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The manual has a reasonable approach to fault finding, checking various clocks and lines.
I found quite a few of the chips on mine had gone bad, even the basic 74 chips had poor outputs that came back to normal on new chips.

A decent scope is needed to see what's happening

Statistics: Posted by vexorg — Mon Jul 22, 2024 12:59 pm



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