Tektronix 2430A Troubleshooting Help

[Vairemont117]

I have a Tek 2430A scope, and upon power up it beeps, lights up the GPIB lights, displays a few vertical lines of dots and several random curved lines, then the screen goes blank and the GPIB lights go off. I am currently following the Dead start Troubleshooting section of the service manual, but I cant seem to find anything that pertains to the random dots and lines. Anyone have any clues as to what might be going on?

[siggi]

My 2430 behaved similarly due to dead RAM. Did you try the kernel test.


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[Vairemont117]

I ended up swapping it with a spare processor board that I had from a previous scope and it works now. Well I say works, it loads up and runs the self tests now, fails several 7000, 8000, and 9000 tests.

[lordvader88]

I have 1 of these, how long on till they become a collector's item when hardly any rare original parts are still working ?