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Re: HP 8566B repair: -10V rail went down


 

Yes, I understand, just be sure you look wherever you can see them. Can you get any sense of where the smell came from? Did you see any smoke? That would be a good place to look. Burned resistors are sometimes hard to spot because they don't "carbonize" they just get a little bit darker.

The comment about cards shifting in their sockets causing the problem is a possibility, but probably a lower probability event if everything was screwed down.

The obvious approach it to look at all cards that use the -10v supply.

Cheers!

Bruce

Quoting Matt Huszagh <huszaghmatt@...>:

"Bruce" <bruce@...> writes:

Be sure to examine the motherboard for burned traces.
I didn't notice any burned motherboard traces when viewing the bottom of
the unit. Unfortunately, viewing motherboard traces from the top is a
bit tricky.


Matt


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