Electronics > Repair

Help with Fluke 434 3-phase power quality analyzer that gone dark

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Guy Holt:
The screen has gone dark on my Fluke 434 3-phase power quality analyzer.  The backlight control won't make it any brighter.  I know it is not a fuse because I can hear the meter power up.  Any ideas what the problem  or how I might be able to fix it myself.

simingx:
Not sure if you've solved this, but I changed all the little SMD electrolytics on my 434 and it solved the screen darkening issue. Hope this helps!

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