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Old 04-05-2021, 12:39 PM   #10
ohren
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Join Date: Mar 2015
City & State: Sweden
My Country: Sweden
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Posts: 34
Default Re: Dell 2209wa - momentarily blinks every two seconds [ Video + Audio + Service Manu

I measured the four 470 uF capacitors on the 24 v output out of circuit with a cheap component tester:

[uF] - [ohm ESR]
430 - 0.06
437 - 0.10
439 - 0.10
437 - 0.09

I don't know... doesn't seem too bad to me. Capacitance is within 10% of spec. Is it still likely they're the problem?

Not sure what's my next step now. I'd try identifying a failing tube except that the platic holding them in place is incredibly brittle and will invariably break if I try to unplug one, and they all look in equally good condition, so I thought it'd be best to exhaust all other options first.
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