Question about Crossfire VR1000D Car Audio Amplifier

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I do not have power to my amp...does it have an internal fuse?

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  • 162 Answers

Yes it does. check the side of the amp.

Posted on Mar 15, 2011

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1 Answer

My Kenmore elite microwave model 401.88523011 has lost power. The electrical outlet still has power to it. Is there an internal fuse or circuit breaker that may be causing the power outage?


Your microwave has an internal fuse. Usually 10 to 20 amp. You can pick some up at home depot or radio shack. Make sure you get the same amps and volts as the original fuse. Will be printed on your microwave some where usually. And if its one that is part of a double oven deal make sure that you check you're circuit breakers for the kitchen. Good luck.

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Kenwood no sound


If you have a separate 'power' or sub-woofer amp, check that it still has power and did not blow a fuse. Is there an internal selection inside the unit for enabling the internal amp vs an external amp? Some will disable the internal amp using a setup setting, and just provide low level output that is expected to be amplified by an external amp. If it 'forgot' you might have to set it to use the internal amp again. Or vice-versa, depending.

Jul 23, 2014 | Kenwood KDC-S2009

1 Answer

Model Yamaha ME-50 no power


John
With AC power off.
Use a meter (on Ohms scale) to check internal fuse for blown (open) fuse.
If you feel qualified & safe with AC Power On.
Check input to internal power supply on AC Scale (Caution when AC is on) for volts in.
Use meter on internal Power Supply for "probably" DC volts leaving internal Power Supply electronics to power the rest of the electronic circuits.
Switch mode power supplies can break down. They stop doing their high frequency switching so they don't convert AC to DC.
If this P/Sup is a separate box or circuit board, inside the unit, then it can have a part number & be replaced.
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Jul 14, 2014 | Yamaha Music

1 Answer

Reverse polarity hook up blew fuse link. Where can i get the correct fuse link to solder into the stanley inverter pc809 800watt?


Hmmmmm, well that`s unfortunate , i can tell you that most electronic devices that connect to low voltage DC supply's are protected bye a protection diode and the fuse link you think it might be is a circuit trace internal.
an 800 watt innverter draws about 80 to 100 amp to produce the 800 watt output and you must have 2 40 amp fuses or 3 30 amp fuses customer replaceable, if you did not damage the components in your device all you kneed to do is to repair the circuit trace and replace the reverse polarity protection diode to restore normal operation

there are no fuse links internal to inverter power supply's

best regards Falco

Oct 27, 2013 | Electronics - Others

1 Answer

I have a SONY STR DE915 receiver home theater amp. After 14 years, it decides not to power up! Are there internal fuses? Can i replace the power supply myself?


There are internal fuses that you can check. This model was notoriously bad for amp problems. These amps would burn up a lot of components when they go out.

Oct 11, 2013 | Sony STR-DE915

1 Answer

No power


For what amp, a Home stereo amp or a car stereo amp? Most car amps will not have internal fuses, but home stereo amps do have internal fuses. You will notice on car audio amps fuses are always plugged into the side of the amps or they have an inline fuse that is on the main power wire into it.
You have more than likely blown a Mosfet Power Transistor, very common in car amps, I'm fixing 3 of them right now with that problem. Class "D" Amps seem to have this problem on a regular basis and they are hard to get working again once they blow. You won't even see any evidence of the bad parts inside the amp either, old amps will fill your car with thick smoke and will have obvious damaged parts. Best bet is you will be looking at buying a new amp unless you paid over $500 dollars for it, it's not worth fixing, check the warranty to have it replaced by the manufacturer.

Apr 02, 2013 | Car Audio & Video

1 Answer

I have a fusion 10'' sub with amp built in and i have it all wired and everything. I got power from the battery to the amp my groung is good all my fuses are good and still no subwoofer playing is my amp...


open it up if you can and check internal connections to the sub, if all looks good, open up the amp and check the internal fuse. becareful of voltage hazards

Aug 15, 2009 | Car Audio & Video

1 Answer

What is the power rating of the internal fuse of Philips 28PW9527


it is marked on the fuse---amps and voltage--some of the fuses these sets use are special---don't buy it at radio shack---also the values for the fuse are usually printed on the circuit board under it.

Aug 06, 2009 | Televison & Video

1 Answer

The Red & Black wires connected to my AMP touched


You blew the inline fuse on the AMP power wire. If it was not fused "inline" you may have blown a fuse internal to the amp. Look on the amp(or consult the manual) for the location of fuses "internal" to the amp.

May 01, 2009 | Kenwood KAC-7202 Car Audio Amplifier

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