Hardest Repair Ever! Fluke 8508A 8.5 Digit Reference Multimeter

Boost your electronics business or hobby https://www.welectron.com/Lab-Equipment

Pics, FW, RE stuff: https://github.com/marcoreps/fluke-8508A
More from Reps via channel membership or https://www.patreon.com/marcoreps

00:00 Intro
02:02 Anamnesis
02:45 Disassembly
05:40 DC Board repairs
09:21 Ω Board repairs
16:32 Ω Board descriptions
20:46 AC Board
27:49 Success?
29:27 DC Board details
32:51 Tests
33:59 Noise spectral density
35:17 Integral nonlinearity
36:35 Thermals
36:57 Common mode leakage
37:46 Transformer isolation
38:55 Conclusions & comparisons

#repair #electronicengineering #metrology

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