Question about Alpine MRD-M1001 Car Audio Amplifier
Shorted or low impedance outputs can cause the "CUR" display. Power down everything and remove the speaker wires. If it will then power up without the display, the problem is probably a short in the speaker wire or voice coil, or the impedance load is too low. If there are multiple subs, reconnect them one at a time to isolate the bad one and then correct the problem. If the amp works properly with either of the subs but not both, rewire the subs for a higher final impedance.
If the amp still displays "CUR" with the speakers disconnected, there's most likely an internal fault that requires component level repair.
Hope this helps.
Posted on Aug 02, 2009
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Posted on Jan 02, 2017
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