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Re: Success: Repair HP3455A Multimeter

 

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Thank you for posting your story, some other 3455 owner will benefit someday.

Dave Wise

From: [email protected] <[email protected]> on behalf of Ralf Rosche via groups.io <ralf.rosche@...>
Sent: Wednesday, April 2, 2025 11:49 AM
To: [email protected] <[email protected]>
Subject: [HP-Agilent-Keysight-equipment] Success: Repair HP3455A Multimeter
?
Hi all,
I checked U16 the latch connected to the driver U5 with a scooe.?
The output pin 15 ( connected to pin 9 of U5) was not stable and so I replaced U16.
Now the 3455 is working again.
At least no FET, only U6 and U16 replaced.
Ralf
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