Question about Phase Linear UPA424CS Car Audio Amplifier
Green lt is on and the red power light is not. I have troubleshot it in every which way leaving me with the amp only. Its a phase linear pl200 200 watt bridgeable 2 channel mosfet amp. Where the bleep is tech supp. how do I troubleshoot internally?
If the amp is going into protect, it likely has shorted output transistors. To eliminate other possible causes, read through the following page.
Amp in protect mode - troubleshooting
Let me know if you have any other questions.
Posted on Nov 30, 2008
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Posted on Jan 02, 2017
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