Switch Mode Power Supply Troubleshooting and Repair – Yaesu FT-1000MP [video]

Some safety&#x2F;tools in AC mains power Switch Mode Power Supply &#x27;(SMPS) Troubleshooting and Repair&#x27;.<p>A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI)<p>: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Residual-current_device" rel="nofollow noreferrer">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Residual-current_device</a><p>(1:1) Isolation Transformer : <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Isolation_transformer" rel="nofollow noreferrer">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Isolation_transformer</a><p>Autotransformer : <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Autotransformer" rel="nofollow noreferrer">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Autotransformer</a><p><pre><code> &#x27;series incandescent light bulb(s) current limiter&#x27;</code></pre>