Question about Rockford Fosgate Punch P5002 Car Audio Amplifier

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Auto amplifiers my amp has over heated a few times and has stopped working where can i have it repaired

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If you bought it from a retail store and it is still under the manufacturer's warranty, check out the manufacturer's website for contact information or warranty info for repairs.

Posted on May 27, 2008

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Suddenly stops working and have to wait for a few minutes for it to work again.


Probably a component in the power supply is overheating, You need to take it to the repair shop.

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Why fan stop working


If the fan is not working, it could be the fan itself, or it could be missing the voltage to drive it. I wouldn't use the amp with this condition, as you may cause output failure. If you need more information, or would like to inquire about a repair, please visit my website at audioserviceclinic.com. You may contact me there. Thank you.

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Amplifier over hit and shot off


set up is the most common issue. running amps at 2 ohm or lower specialy when bridged.bad speaker speakers can be bad and still play. sagging b + from battery.overdrivin inputs.ther are so many things that could cause this it is usally the install not the amp or at least intill the amp smokes from this condition.if your amp shuts off due to over heating the way it is instaled must be fix or ill see you at my repair center with your burned up amp.by the way kicker is one of a few verry few companies that dont make junk so if your kicker amp is shutting off its most likely not the amps fault

Mar 18, 2010 | Car Audio & Video

1 Answer

My amp stopped working one day so i took it to bestbuy's auto install center and he checked the amp out and said something inside must have burned out


yes you have a internal fault of the amp. the circuit that puts it into safe mode is bad and that is a very small chip on the board know as a op amp. needs to be repaired.

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Jul 16, 2009 | Car Audio & Video

1 Answer

Nad C320 right channel stops working then comes back again


This sounds like the "pre-amp" section is cutting out or there is some interruption in the signal path. A few things to try:

1) With the unit off, try "working" the volume,balance and tone controls. This means, turn them up and down a number of times to clear any debris that may be in the controls themselves.

2) Work the input selector switch the same way if it is a rotary switch.

3) Try turning on/off the tape monitor switch a few times.

4) Keep track of whether this problem is sensitive to heat. Does teh channel shut down more quickly once the unit has been on for a while?

Lastly, if you can solder, look for any solder joint that appears grainy or has rings and resolder it.

Update this with your results and we'll continue on...

Thanks,
Dan

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1 Answer

I have problem with my mono amplifier


Amplifiers have thermal protection. They will typically shut down at ~180F. If your amp is shutting down after running it hard for 20-30 minutes, you may not have the correct load impedance (speakers wired incorrectly).

If it overheats as soon as it's switched on (no audio), the amp may be in need of repair.

Jun 21, 2008 | Ultra Linear UL-2200D Car Audio Amplifier

2 Answers

Amplifier repair


Unknown model not working could be a bunch of things!
does the unit have power?? fuse(s) ok?? turn on voltage present(12v)?? Any leds?? Unit ever get wet?? Any lites?? smoke get out?? was it, did it get real hot??
I have worked on a few with various problems, no common problems. Some of the things I have seen; Level adj pot was smashed in, Shorted fets , + burnt gate drive resistors in the ps section + blown runs, bad connections, shorted outputs, corrosion from beer leakage, bad electrolytic caps, leaking caps ate up the copper runs, metal bars used to hold down fets and outputs came loose, parts over heated and shorted.
Open up and look around, burnt resistors, leaking caps, puffed up caps, black marks, are all helpful signs.
These amps typically use FETs in the power supply(+/- 25-50v) and regular transistors for the outputs. Test all heatsinked parts for shorts. Carefully remove metal bars holding down heatsinked parts, keep track of where the heat sink insulators go, remove pcb and inspect runs. Repair and bench test with a power supply that has an amp meter. With out any input, unit should only use a few amps after initial 5-15amps to get the PS fired up. Then test across speaker outputs for any DC voltage. Anything over 1v, (should be very close to zero) amp needs some more work.
Good luck!

Nov 06, 2007 | Orion 8004 Car Audio Amplifier

2 Answers

Legacy la590 amplifier


Ok If the power wire as well as the remote wiring was checked then you know the problem has to lie within the amp?? Yes it does. Do you know how to check b+ lines with a vom?? as well as use a schematic to trace one curcuit to another?? If not its best in my mind to have a pro look at the amp but if you really wanna try to see if theres something burnt in side by all means open it up look around and if you dont see anything out of normal such as burnt things crispy parts or fried wire then its time to unistall the amp and take it to your local repair depot. Now your local repair person may or may not be a sspecialist in auto amps?? If not My advice would be to ship your unit directly to the manufacturer for repairs. First thing you wanna do is look in the owners manual under troubleshooting . it will tell you where to call and if a RMA is needed(RMA means Return Materials authorization).Or contact the company at 1-425-788-0932 or online at support@millenniaCorp.com Good Luck

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