Question about Nitro BMW-481 Car Audio Amplifier

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Protect light is off and no green either

Fuse melted....? but when i put a new one in the lights on it only dim. no sound at all.

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  • 7 Answers

Sounds like your amp is probably damaged, maybe you had the ground and 12v wires backwards?

Posted on Jul 20, 2009

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Posted on Jan 02, 2017

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1 Answer

How do I dim green light on my sound bar ?


If you cant dim the light I'd suggest putting a small piece of black electricians tape over the light (Depending on what colour the sound bar is) and hopefully this will stop the distraction
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No power output or display.green standby light flashes.


Sounds like either a blown mainpower fuse or the thermal fuse for the power transformer. If the protect circuit was kicking in, the display would light up, but then turn off with a red blinking light. the green light with no display means the transformer is not getting power.

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I have a Crate CR212 it started to hum/buzz today. It would not play out any sounds other than the noise. I unplugged everything and still it hummed. I unplugged the unit, check the fuse and replugged and...


Are all the tubes lighting up? they should glow like dim light bulbs. If not, replace them with the same model type (12ax7, or EL34 for example).

Often there are two fuses, one to protect the speaker and another to protect everything, it sounds like the latter fuse may be burned out. take it out and take it to radio Shack for exact replacement.

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Nintendo DS Lite, Dim Green Light, Brigher Green Light then off


Hi,

If the green light reacts as you state then the chances are the fuses are fine.

Again, with the reaction of the green light being as you stated i'm going to assume you have a problem with one of your screens, tell me... when the green light comes on does one of the screens flash? If it does then we have found the answer...

The screen that doesnt flash is the one with the problem, you can try taking the DS lite apart and re-connecting the screens ribon to see if that sorts it, if it doesnt then im afraid you will have to buy a new screen. These can befound on ebay for a reasonable price.

I have written some guides on how to change your screens and how to disassemble the DS lite, these will guide youthrough the processes you need to take. These can be found by clicking on my name and then scrolling down to "tips and tricks", press the "view all" to see all of them and find what you need.

I hope this helps.

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1 Answer

Amp protector light going on and dimming


Hello,

first thing you want to check is the fuses in the amp, and power wire if applicable. This might cause the protection light to come on. I do assume you are referring to the protection light on the amp itself and not your car.

Post back if you have checked your fuses and have still not solved the problem.

Thank you for choosing Fixya!

Oct 03, 2009 | Car Audio & Video

1 Answer

Need a radio wire diagram for 1989 ford mustang 5.0


Radio Connector:

Light Green / Yellow - Hot at all times (Fuse 8)
Yellow / Black - Hot in ACC or Run (Fuse 11)
Light Brown / Red - Goes to instrument panel dimming rheostat (Fuse 4)
Red - Ground
White / Purple - Hot in ACC or Run (Fuse 11)

Speaker Connector:

White / Light Green - (+) Right Instrument Panel & Door Speaker
Dark Green / Orange - (-) Right Instrument Panel & Door Speaker
Brown / Pink - (+) Right Rear Speaker
Pink / Light Brown - (-) Right Rear Speaker
Pink / Light Green - (+) Left Rear Speaker
Tan / Yellow - (-) Left Rear Speaker
Light Brown / White - (+) Left Instrument Panel & Door Speaker
Orange / Light Green - (-) Left Instrument Panel & Door Speaker

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1 Answer

Coustic 601se power on but bad sound


This is generally caused when there are blown output transistors but that generally causes the fuse to blow or causes the amp to go into protect mode.

If you connect a 15 amp fuse in series with the main power wire and it blows when remote voltage is applied, the amp is drawing excessive current. The problem could be either in the power supply or audio circuits.

Do NOT apply power without having the transistors clamped TIGHTLY to the heatsink. They can fail in seconds when there is a problem. The heatsink helps protect them.

The following page may be helpful when troubleshooting.

Amplifier Repair Primer

Let me know if you have any other questions.

Aug 23, 2008 | Coustic Car Audio 601SE Car Audio...

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