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Need Help Fixing My Memphis Amp


blake1886

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So i have recently got a Memphis 16-MCD1000 amp from a friend. it was just laying around his house and he didnt have a use for it and wasnt even sure if it worked because it was his brother. I tried to plug it into power to see if it works, but it goes directly into protection mode. I'm not a major expert with amplifiers but i do have some electronic background and i am a quick learner with electronics. I couldn't see any physical problems when i looked at the board, no caps were broken and no connections were fried. Can anyone help me with this amp? I'd really like to get this going. Thanks!

1278296_10200353087139336_2054241885_n.j

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-2004 Ford explorer

-Pioneer Deh-80prs HU

-4 Rockford Fosgate R1683

-2 Rockford Fosgate P1S4-12 wired to 2ohms

-1 Rockford Fosgate Prime R500-1

-I know it's very basic...

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Can you get some gut/internal pictures. Others will be able to help then

 

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sory, not the best pictures but i cant get a better one at the moment.

988770_10200734481313952_812385026_n.jpg

-------------------------------------------------------------------------------

-2004 Ford explorer

-Pioneer Deh-80prs HU

-4 Rockford Fosgate R1683

-2 Rockford Fosgate P1S4-12 wired to 2ohms

-1 Rockford Fosgate Prime R500-1

-I know it's very basic...

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Share on other sites

Have you checked the RCA connections not going to ground? Check the Mosfets running down the sides for burn marks loose from heatsink. Good Luck!!

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Have you checked the RCA connections not going to ground? Check the Mosfets running down the sides for burn marks loose from heatsink. Good Luck!!

can you explain a little bit more please? Like i said, im not really an expert

-------------------------------------------------------------------------------

-2004 Ford explorer

-Pioneer Deh-80prs HU

-4 Rockford Fosgate R1683

-2 Rockford Fosgate P1S4-12 wired to 2ohms

-1 Rockford Fosgate Prime R500-1

-I know it's very basic...

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Share on other sites

Take a close look at the joints where the power connectors, speaker connectors, and RCA's are fused to the board.

Usually these are soldered at a 90deg to the board and pressure on them can cause them to crack as they flex.

This would be the first place I check for cracks in the solder, a connector that has lifted/delaminated off the board, or even sometimes they corrode.

Closeups of the internal portion of the connectors will help, you can sometimes find a loose one just by touching it.

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I'll try to check some of these things when I get home from school tonight.

-------------------------------------------------------------------------------

-2004 Ford explorer

-Pioneer Deh-80prs HU

-4 Rockford Fosgate R1683

-2 Rockford Fosgate P1S4-12 wired to 2ohms

-1 Rockford Fosgate Prime R500-1

-I know it's very basic...

Link to comment
Share on other sites

And if you want a close up of certain parts just let me know where you want more pictures

-------------------------------------------------------------------------------

-2004 Ford explorer

-Pioneer Deh-80prs HU

-4 Rockford Fosgate R1683

-2 Rockford Fosgate P1S4-12 wired to 2ohms

-1 Rockford Fosgate Prime R500-1

-I know it's very basic...

Link to comment
Share on other sites

Before when i waa testing the amp i hqd it plugged into an old power supply from a computer, i realized the power supple would stop once i switched it on so i decided to hook it up to an actual car battery. After plugging it into a crappy speaker laying around I figured out that when the speaker amp is plugged in the protection light flashes and the speaker makes a clicking noise repededly. Idk if this help at all but I thought it could be of importance. And it also did not blow the fuses in the amp.

-------------------------------------------------------------------------------

-2004 Ford explorer

-Pioneer Deh-80prs HU

-4 Rockford Fosgate R1683

-2 Rockford Fosgate P1S4-12 wired to 2ohms

-1 Rockford Fosgate Prime R500-1

-I know it's very basic...

Link to comment
Share on other sites

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