The power keeps shutting off when I turn the volume up.

Have you checked your speaker wiring as it could be you have some wires crossed ie: negative feeding the positive side causing the shut down & check the Ohms if at high volume you are trying to drag to many Ohms it will also cause the built in amp to shut down to protect the system dont keep incresing the volume as the strain will do damage

You will have to change the volume controller and its circuit board.



F150 Accessories

so it turns off suddenly and then the next second it turns back on and starts playing

from that and personal expericance i belive that the radio system (radio and amp) is not reciving enough power

is this radio inside a car
if so what car

what i would do is attach bigger thicker wires to the positive and negative of the amplifier
direct from battery

positive of battery>>>> positive of amp
metal grounding point on car>>>>>> negative of amp
(do not use negative of battery use the metal of the car)

The receiver may be too under powered for your speakers or the speaker ohm's may not be matched for your amp.

The reason it is shutting off is likely because the amp is becoming overloaded. At lower volumes the amp can handle the load of the speakers, but at higher volumes the power supply of the amp can't keep up with the power demand the speakers are pulling.

If you were previously able to turn the reciever high without turning off, then there is likley something wrong with the amp or possibly a blown speaker.

Try measuring the resistance of the speakers if you have access to a multimeter. They should normally read 8 ohms for home speakers, but some common home speaker impedances in order from (I'm assuming) most common to least common are are 8, 4, 2(bose), and sometimes 10 or 12 ohms. The lower the number of ohms, the more power the amp will need to put to the speakers and the more chance you could be overloading your amp.

Did the fact that it was responding negatively to the loud volume not suggest it might be a bad idea to keep doing it?

The threshold on the volume knob is NOT where normal undistorted listening levels are found. Given a normal level of input you could be pushing your amp so hard that it clips or distorts and kills your speakers.

Do what it asks: check the speaker wires for shorts. Or disconnect the speakers and pray it comes back to life, then isolate the shorted (dead) speaker.

your cd player cant handle all the power, time to upgrade to a cd player with at least 80w10

it is most likely that the shutting off is an precautionary system response to protect your amp and drivers. check all connections again for wrong polarity.

No, take the battery out and bring it to an auto part store and they can test it.

check your ground, it could be that your antenna is the only source of ground, in which case the deck does not have enough power to stay on when it draws too much power. I've seen exactly what you are saying many many times. Ground it really reallly good.