Question about Car Audio & Video
The amp protect like stays light the speakers make heartbeat sound when hooked up even with the protect light on
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: My amp wont put out sound
If your amp powers on with protection light, try the following: Unhook all input RCA cables on the amp. See if that helps with protection light. With a DMM, measure the voltage going into the amp's power connectors. If it's less than the minimum required by the amp, protection will kick in. Also, check for over voltage, too much volts can also trigger protection. Check your speaker wires for short. If some of the wire strands are loose and touching each other or the chassis, it can cause protection. Basically try the amp with no RCA inputs, no speakers attached. If the protection doesn't go out, then you have an amp problem.
Posted on Mar 03, 2006
SOURCE: Protect light flashing/ticking
Yes make sure your powers and grounds are all ok. If you have round glass fuse in the power wire replace it even it it looks good. Ive seen those fuses melt the solder internally so they will be "blown" but look as if they ar eperfect.... if that does not help your amp needs repaired. go to my website at http://home.comcast.net/bigmikeselectronic/repair for more info. I may be able to repair it fo ryou or buy it form you as-is...
Posted on Nov 27, 2006
SOURCE: car amp
The most common reason for this is shorted output transistors. To confirm that the problem is in the amplifier, disconnect all speaker wires and the RCA cables. If the amp still goes into protection, check the DC voltage across the B+ and ground terminals. It should not drop below 11 volts. Also check the remote voltage.
If the amp continues to go into protect with no external connections (other than B+, remote and ground) and the voltage remaiins above 11v, the amp is defective.
Posted on Nov 06, 2007
It probably has shorted output transistors. To eliminate other possible causes, read through the following page.
Amplifier in Protect Mode - Troubleshooting
Let me know if you have any other questions.
Posted on Nov 02, 2008
are u sure u have them running at the right ohms, for not only the subs but the amp too...if you go lower than your amp is rated you can fry stuff...via protect mode......hopefully this helps
Posted on Mar 21, 2009
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