On Sun, 08 Apr 2007 21:26:32 +0000, Al wrote:

I picked up a Philips PM3262 Oscope at my town's recycling center. it
looks like it has been well used.

I plugged it in and turned it on. It worked normally for about 2 minutes
and then shut down. The ckt breaker on it did not pop. The "ON" light
was off. After I let it sit for a while, this repeated.

I don't have schematics and when I took the covers off I did not see
anything obviously out of kilter.

Has anyone had this problem and fixed it easily? If so, could you post
the fix?

Thanks in advance.

Al

Had one of these as a bench 'scope back in the day. Most of the internal
voltages come from a switch mode power supply which will fail as you
describe at the slightest provocation. Tough to fix without circuit
diagrams and you will need a 'scope that works.....