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My amp i bought a gemsound amp a 3955 my problem is that when i trun it up it brun the fuse on the back under the electric wire

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Where is your location my friend? did you check your amps power input requirements. you may be having the wrong voltage supplied to your amp. unless there is a defect on the amp unit you bought otherwise check your voltage settings first

Posted on Aug 13, 2008

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My fosgate amp was workin an now it wont trun on can u help me out plzzzzz.....thanx for ur time...


First check your fuses, all fuses. Then check to see if it's getting voltage to it, look to see if any of the LEDs are lit up, power, protection (over /under voltage, overload (short)) or none. If the power LED is lit & no others then check your RCAs coming into the amp by replacing them or using a multimeter set to ohms to make sure they are not loosing a connection due to wire breakage inside the casing. Cheap RCA's will easily disconnect inside the plug just from twisting them. If they are good and are not disconnected from the head unit, then check your speakers for damaged coils or loose wires, who knows they may have fallen off? If your amp has more than just power LED lit then you may have a short in your speakers or wiring disconnect the wires to see if the protection LED goes away. if not and it's still lit then repair the amp. If there are no LEDs lit at all, check your remote turn on wire from your head unit to make sure it sends out a 12 volt signal to the amp. You can also jumper a wire from the 12v battery connection over to the remote turn on connection to see if it will power up. If not then check power wires and connections, fuses, Battery , alternator, voltage regulator, etc.. any thing that has to do with your cars electrical system may have fried from the current draw by your amp.

Aug 20, 2013 | Rockford Fosgate Punch 400a4 Car Audio...

1 Answer

2000 chev silverado stopped running


Then your problem is electrical,make a tool if you replaced the relay open the cover of that relay,there you will expose the mechanical contact of the relay stick it back in its socket trun the key on and make the relay make contact the fuelpump should go on.If it does the problem will reside in the ignition switch electrical,if it doesnt check the ECM bat fuse.should be 20 amps.

Mar 28, 2012 | Chevrolet Cars & Trucks

1 Answer

I need to purchase a charging plug. A DC-9V 1.5A plug for a Accurian 7" LCD monitor portable DVD player. Model # APD-3955. Can you please help?


look on amazon web site under electronics & photo and type model number in that is on mains adaptor
hope this helped

Nov 10, 2009 | Radio Shack Accurian APD-3955

1 Answer

Gemsound xp-550


A diode/rectifer or voltage stabliser, or leaky capacitor in the power supply.
Also the main transistors in the power amp or if it has an output IC - that!
If you can in anyway disconnect the power supply section from the amp circuit, you can isolate which part is faulty. For if it blows when disconnected from the power amp, you know it's just the power supply that's gone. And if it does not blow - then it's the amp!

Aug 24, 2009 | Gem Sound GemSound PA-585 2-Channel...

1 Answer

Gemsound XP 550 blown fuse


This is a standard amp design which should be a relatively simple repair. The output transistors are probably shorted. Check those first. Second, check the rectifier diodes in the power supply. Usually there are protection circuits that will prevent the fuse from blowing if the outputs are shorted.

Let me know your progress. I will attempt to get the service manual for this unit to get you more details.

Dan

Jun 29, 2009 | Audio Players & Recorders

1 Answer

GemSound XP-550, worked great for about 2 hours


The outputs are probably blown. This should be under warranty. Return it for a replacement.

Dan

Jun 29, 2009 | Audio Players & Recorders

1 Answer

Gemsound power speaker pxa105


First,
Disconnect any input cables from the amp. Turn down the volume controls and disconnect the speakers. Power back on. If you still blow fuses with nothing hooked up, have the amp fixed.
If the fuse holds, shut down and connect the speakers, leaving the volume controls down. Power up and see if your fuse holds. If you have hum, an output transistor is most likely shorted. If you have no noise, SLOWLY turn up the volume controls and listen for the hum. If all is quiet, turn down the volume controls and connect your input cables and turn the volume back up. Noise? check your cables!
Mister Phil

Apr 07, 2008 | NAD C350 2-Channel Amplifier

2 Answers

Gemsound EXA-3955 Right Channel Problem


you sure you didnt flip the bridge switch on the back? its the tiny little black switch under the bridge output plug, if you have it set to "bridged mode" any input sent into the right channel produces only a hum, only left channel input works.

Apr 04, 2008 | Audio Players & Recorders

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