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ESR / C tester problem!!

Equipment, circuits, projects, procedures

ESR / C tester problem!!

Postby chahath » Thu Jan 17, 2019 4:17 pm

've just finished soldering this tester, IC and PCB were bought directly from Elektor.
Problem is that it does not work.
When I start it there's only "barcode" like thing on the display.
I've checked all soldering points, all IC's are on sockets, voltages on power pins are all ok.
I'm using "white" 2x16 LCD and have tried to change it with a blue background one.
Blue one lights up but with all on, there's 2x16 white rectangles displayed. VidMate Mobdro Tencent Gaming Buddy
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