https://jestineyong.com Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Mon, 21 Dec 2020 12:52:08 +0000 en-US hourly 1 https://wordpress.org/?v=5.4.19 https://jestineyong.com/unknown-dead-device-was-brought-back-to-life/ https://jestineyong.com/unknown-dead-device-was-brought-back-to-life/#comments Mon, 21 Dec 2020 12:52:02 +0000 https://jestineyong.com/?p=23852               When I got to the shop I found this unknown device sitting on my work bench. According to my brother next door, a doctor brought this device for repair. I did not know the fault of this device but there is one way to find out. As I […]

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