On Nov 21, 2004, at 7:02 AM, Sean Billings wrote:
It could likely be one or more dry joints on the analogue board, when you
have the case off look around the joints on the flyback transformer (the
black thing with the red lead coming off it to the crt cap)
Thanks for the tip, Sean. I'll check that. I did try tapping the side of the closed case lightly and didn't notice anything, but I'll try the more direct approach (carefully).
On a (somewhat) related note, Apple's SE/30 service manual (which I have a pdf of) makes a lot of references to "discharging the CRT". So, following that up, a web search turned up a lowendmac article that described that process, using a tool made from a screwdriver and 10K resistor run to ground, which you insert under that crt cap to make contact with the high tension lead. My question: Is that the best (safest) way to bleed that energy off?
Thanks -
Tim
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