First off will the fastener turn ? If not try using a bit of wd-40 and letting it "soak" for a little while . Also be sure you are using a good proper sized Phillips screwdriver . If the fastener still won't turn try using a can of "computer duster " inverted so the liquid comes out , note this will be well below zero degrees , and freeze the screw head , then try turning . If the fastener is stripped and the ttol slips you will have to remove the amp cover and grip it with a pair of vise grips ,pliers or a flat blade screw driver .
SOURCE: 301x amplifier
Good luck. Rockford Fosgate does not sell or release any service parts/diagrams AT ALL. They want you to buy a new one or send it in to them to be repaired at an exhorbitant price. Also, from my experience, most RF amps are unrepaairable due to their construction design. the outputs are case soldered and cannot be removed individually. Time to upgrade.
SOURCE: amplifier repair
change out the fan if cant find one specifically 4 that amp get a fan from a old amp or computer and use it there easy 2 switch out or even modify if it dont fit in the amp just mount it on the out side on the air fins the problem was probably caused by 2 small of a ground or in line fuse is 2 small check spec sheet or manual but the ground should b as short as posible and a bigger wire than the positive wire make shure your fuze in amp is the right size if 2 big it will over heat and fry the amp
SOURCE: connect rockford fosgate amplifier & speaker together
Assuming your P3 has a single voice coil (it will have only one place to plug your wires into) you will be running this in a bridged mode. You will take the left (+) coming off the amp and plug it into the (+) on the P3. Then take the right (+) from the amp and plug it into the (-) on the P3. This will make your amp push 500 watts to your sub. Now on the amp make sure your adjustments are as follows: Signal input switch is set to unbalanced for RCA input. Left Phase switch is set to 0. Right phase switch is set to 180. your X-card should be set to low pass. And adjust the gain for both R and L equally so it has equal power from both channels.
SOURCE: lights up & getting no power to subs
for a test
disconnect everything from the remote terminal in the amplifier
get a bit of wire and connect the remote terminal to a 12 volt supply
does it turn on now?
if yes then check the remote wire from the radio does it become 12v when the radio is on and 0v when it is off
if no make sure that the amplifier has been grounded properly and all the power cables are connected properly
SOURCE: Rockford Fosgate Spare speaker termal screws
if you have one that you can compare to another, go to home depot with that and match it up. If not, take the amp to home depot and get someone to help you find the right one.
In most of Rockford's amps, the low voltage detection is connected to the remote input. If the remote voltage is too low and they use the same circuit on this amp, it could trigger the protection circuit.
Disconnect the head unit's remote from the amp. Use a fuse holder with a 3 amp fuse to jump between the B+ connection and the remote terminal of the amp. If the amp powers up, the head unit's remote output may be defective. If it blows the fuse, the remote input or part of the power supply is damaged. Do not try it with an unfused jumper.
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