https://jestineyong.com Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Mon, 04 Jan 2016 03:23:24 +0000 en-US hourly 1 https://wordpress.org/?v=5.4.21 https://jestineyong.com/no-power-in-water-filter-machine-repaired/ https://jestineyong.com/no-power-in-water-filter-machine-repaired/#comments Mon, 04 Jan 2016 03:23:24 +0000 https://www.jestineyong.com/?p=11650           A customer sent this water filter machine to me for repair with the complaint of no power. The output voltage of this Fuzzy Controller module should be 20 Vdc but now measured zero volt. Once the cover was opened, I can see the main fuse holder, bridge rectifier, relays and […]

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