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#16
08-29-2006, 11:16 AM
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Success!
Replaced R73, R74 & R75 with new 150K 1/2 W resistors as per jpdylon's suggestion and voila! Red! Out of the circuit, R73 reads open; in circuit it was variously 200-300 ohms, which I thought was just bad contact between the probes and the leads but I guess not. Moral: it's hard to analyse components in-circuit.
Now, how hard is it to take the chassis out of the cabinet? The chassis needs cleaned (fuzz!) and I'd like to refinish the cabinet. And thanks, everybody.
__________________
Being cheap isn't a character defect -- it's an art form. 
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#17
08-29-2006, 11:58 AM
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If you have access to an air compressor, that should do just fine for cleaning the chassis. Removing the chassis is a PITA because of all the ribbon cables going to the touchpad. Besides, if you destrub the touchpad components and something goes amiss, the damn things are impossible to get right working again.
I would simply just mask everything off that is not wood and go from there, but that is totally up to you.
__________________
Jordan
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