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Keysight 34465A reliability

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KeithFisk:

--- Quote from: Traceless on April 17, 2022, 01:29:36 pm ---@KeithFisk: I'm sorry to hear that your unit failed do quickly I'd be curious to hear how the story ended, did Keysight offer any assistance despite the device being out of warranty. Did you repair or replace the device?

--- End quote ---

@Traceless: I have asked the service agent to go ahead wit the repair but have no expectation of any concession or discount on parts and labour from Keysight.

skander36:

--- Quote from: Traceless on April 18, 2022, 08:54:27 am ---AFAIK Keysight has a policy that devices that have been stored >6 months need to be sent back to KS (at least if you bought from an official KS partner).

--- End quote ---

Then there is a chance to be older than I have estimate. Calibration count is 75. I didn't know what that mean.
For me seem to be assembled unde the pressure of component crisis. (Keysight anounce 20 weeks delay for 34465A in Europe.)
I said that because it use 34460 board with a bridge under the main board. Maybe this is a solution for switching to rear terminals as the 34460 is not equiped with rear terminals. I am not sure though, maybe is just an improvement.

HighVoltage:
That does not look like Keysight quality!
Not even cleaning the solder spots?


skander36:
I don't know what to say. It is assembled on Malaysia on the same fab.
Those spots are where the mini doughter board is connected on the main board, maybe a rework?

HighVoltage:
That definitely is a rework and looks like it was done by hand.

What is the part number and revision printed on the main PCB?


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