Electronics > Repair
Please help, FLUKE 8920A Multimeter Repair
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daisizhou:

--- Quote from: Harry_22 on June 12, 2024, 01:00:28 pm ---Think it is Ok.

You should not make any adjustments as this requires more precise measurement instruments than 8920A.

--- End quote ---

Got it, I'm not going to make any adjustments, I mean those adjustable resistors, adjustable capacitors.
daisizhou:
Based on yesterday's maintenance experience of cleaning P102, do P101 and P103 also need to be disassembled and cleaned like yesterday?
Because I saw P103 has a "LO SENSE" mark

Harry_22:
Please check it again with 50 Ohm load at the input.
daisizhou:

--- Quote from: Harry_22 on June 13, 2024, 11:17:53 am ---Please check it again with 50 Ohm load at the input.

--- End quote ---

The input end is connected to a 50 ohm load, and the result is still the same.
Harry_22:
Ok, make an ajustment according paragraph 4-48 on page 4-19 steps from 1 to 8.
Adjust only R72 according step 5  and R26 - step 8.
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