On Sun, 8 Nov 2009, Philip Lord wrote: > Hi William, > Thanks for he reply. > For my own education, I was wondering why you feel the the transistors are > the issue? Experience! > I'm also wondering how exactly would you test for a short in a transistor??? > Is that something that can be done in circuit with a multimeter?> Since it causes the computer to hang up, you want to check for any changes other than putting power on the cassette motor line. I once found one that had a short between two traces on the circuit board. > I'll take your advice on dismantling the keyboard and cleaning with alcohol. > I'll need to be especially careful as this keyboard is actually a Japanese > variant with Japanese characters also printed on the keys. Cleaning the keyboard contacts involves removing the keyboard from the computer and removing the back of the keyboard. It does not involve the front of the keyboard at all. wlevak@sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org Message was sent through the cbm-hackers mailing listReceived on 2009-11-08 18:00:02
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