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Agilent 33250A Voltage Overload on Output Connector problem

Question asked by benjie569 on Jan 18, 2013
Latest reply on Mar 30, 2017 by delio

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Agilent 33250A Voltage Overload on Output Connector problem. I already tried doing the procedure on the screen but still it errors Voltage Overload on the output Connector.

What seems to be the problem and what else should I check?

Thanks in advance.

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benjie569 Feb 25, 2013 7:06 PM
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Does Any one encountered this problem?

What happened is that the output of the Agilent 33250A may have accidentally touched the a high voltage supply input line. After that It errors Voltage Overload on Output Connector and the Output does not enables any more. There are times that it runs OK but after several minutes it errors again.

Does any one know what may be or parts affected.
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- lhornburg @ benjie569 on Mar 4, 2013 8:47 AM
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  In this case most likely the CR1903 Diode-Dual 70V may open.
  And the next one could be U1904 Hybrid device or Capacitor 2.2uF could be burned.
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  - benjie569 @ lhornburg on Mar 6, 2013 9:04 PM
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    Thanks I'll check these parts.
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  - benjie569 @ lhornburg on Mar 7, 2013 10:38 PM
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    C1903 and capacitors 2.2uf are ok. U1904 Hybrid device seems to have no trace of burns. But just in case this is the defective one, where can I buy U1904 Hybrid device (1NB-8420)?
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    - Daveyk001 @ benjie569 on Mar 30, 2017 1:52 PM
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      I guess you never did find a U1904 replacement? I need one too.
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      - delio @ Daveyk001 on Mar 30, 2017 10:00 PM
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        Yup same here, No luck! And no response from Keysight either...
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maria0709 Nov 8, 2013 2:07 AM
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I am having the same problem but my function generator is 33210A :/ which parts could be broken?

Edited by: maria0709 on Nov 8, 2013 3:06 AM

Edited by: maria0709 on Nov 8, 2013 3:07 AM
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- delio @ maria0709 on Oct 4, 2015 12:10 AM
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  I have the same problem... any updates on this problem?
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  - delio @ delio on Jan 26, 2017 5:16 AM
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    It's been months and no answer yet?
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Agilent 33250A Voltage Overload on Output Connector problem

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