Switch Mode Power Supply Troubleshooting and Repair – Yaesu FT-1000MP [video] (youtube.com) 2 points by ed_westin 2y ago ↗ HN
[–] archo 2y ago ↗ Some safety/tools in AC mains power Switch Mode Power Supply '(SMPS) Troubleshooting and Repair'.A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI): https://en.wikipedia.org/wiki/Residual-current_device(1:1) Isolation Transformer : https://en.wikipedia.org/wiki/Isolation_transformerAutotransformer : https://en.wikipedia.org/wiki/Autotransformer 'series incandescent light bulb(s) current limiter'
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[ 3.0 ms ] story [ 14.6 ms ] threadA residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI)
: https://en.wikipedia.org/wiki/Residual-current_device
(1:1) Isolation Transformer : https://en.wikipedia.org/wiki/Isolation_transformer
Autotransformer : https://en.wikipedia.org/wiki/Autotransformer