https://jestineyong.com Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Sun, 11 Jan 2026 12:36:07 +0000 en-US hourly 1 https://wordpress.org/?v=5.4.24 https://jestineyong.com/handheld-metal-detector-repaired/ https://jestineyong.com/handheld-metal-detector-repaired/#comments Sun, 11 Jan 2026 12:36:04 +0000 https://jestineyong.com/?p=36635 Received Handheld Metal detector in very bad broken condition for repair. On asking the reason to the customer he said some security person banged it on the table because it was not working. On inspection I found only 9V battery connection desoldered. Checked 9v battery it is in range. There is no other damage to […]

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