Question about Alpine MRV-F540 Car Audio Amplifier
Have a alpine mrv-f540 that shuts off when you turn music volume up marginally, can hardly even turn the volume up without the amp shutting off. As well, the amp digital voltmeter display does not show up, just the blue power light, which turns red when the volume is turned up. Is this a fried amp? What are my options? Thanks.
The amp may have defective components, but it is still salvageable. first of all lets discuss what is happening. The amp is cutting off because of excessive current flow. which means one or some of you components have become thermally sensative. You can find out which components they are by using a can of cool mist or any other component cooling spray. this will allow you to find the problem quickly. Now in addition to this you may have to forego the tricks and do some real troubleshooting. Get a schematic of the device and try to take voltage readings to see which components are at fault.
Posted on Sep 06, 2007
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