Electronics > Metrology

Fluke 5520A - Err 104

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If you do not know how to check the soundness of semiconductor parts, you can search it on youtube or google and learn how it is done.
Take your meter to the diode measurement range and you can start by checking these diodes on the circuit with true and reverse polarization.

Please note that you need more information if you want to repair this device.
Here we can only guide to help, not teach.

Hi Analog,
just wondering if you successfully rebuilt the Z2 precision resistor network. I have one that is junk so I thought I might try.
It seems to be 4.3, 43, 400 ohm but I guess 4,40,400 might work?


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