Question about Power Acoustik LT-980/2 Car Audio Amplifier

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Alpine system in car has no sound

It shows the system is working. But the amplifier in trunk has no light on. No sound from speakers. I checked fuses near battery. They seem to be good.

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Your amplifier has no power because it has no supply, it is maybe because there is an open circuit in your wiring. The voltage from your battery does not produce current in your amplifier because it is not connected. In other words, Somewhere in the circuit in your car amplifier is open or not connected. Obviously from the amp and speaker has no connection and the fuses are ok. Friend the problem maybe is in these, try the following:
a) the switch in you amplifier might be in trouble. Try to see the switch if it can perfrom the desired operation, in other words, do the contact point is ok?
b) if the contact point of the switch is ok, then try to see the connection from your amplifier to the battery.
P.S. If this be of help, please rate.

Posted on Jul 28, 2008

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Dennis my 1995 lincoln towncar JBL radio quit producing sound the system comes on fine but I get no sound could u help me please, what is the problem?


The Amp in the trunk might have blown,
Town Car Radio Wire Diagram
Car Radio Battery Constant 12v+ Wire: Pink/Light Blue
Car Radio Accessory Switched 12v+ Wire: Yellow/Black
Car Radio Ground Wire: Black/Light Green
Car Radio Illumination Wire: Light Blue/Red
Car Stereo Dimmer Wire: Blue/Red
Car Stereo Antenna Trigger Wire: Blue
Car Stereo Amplifier Location: Trunk
Car Audio Front Speakers Size: 5? x 7? Speakersir?t=modilife-20&l=as2&o=1&a=b00009uhre
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Orange/Light Green
Left Front Speaker Negative Wire (-): Light Blue/White
Right Front Speaker Positive Wire (+): White/Light Green
Right Front Speaker Negative Wire (-): Dark Green/Orange
Car Audio Rear Speakers Size: 6? x 9? Speakers[img src="http://www.assoc-amazon.com/e/ir?t=modilife-20&l=as2&o=1&a=B00009UHRE" width="1" height="1" border="0" alt="">
Car Audio Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Gray/Light Blue
Left Rear Speaker Negative Wire (-): Tan/Yellow
Right Rear Speaker Positive Wire (+): Orange/Red
Right Rear Speaker Negative Wire (-): Brown/Pink
Check the fuses

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Jul 20, 2014 | 1995 Lincoln Town Car

1 Answer

Amp light on my MPR-M1000 keeps flashing


HI,
Disconnect the speakers fist. then check the amplifier light flashing or not. If not then then any of the speaker is faulty. If the amplifier's Light flashing even after removing the speakers then any one of the amplifier stage inside the amp is faulty. By blinking it shows that its in protection mode.

Normally the out put transistor can become faulty. Which can lead to the amplifier to protection mode to avoid damages to the speakers connected to it.

If its not speakers then you should consult the Alpine service centre or any professional technician. Because repairing such type of amplifier should done by a very qualified person. If not it will lead major defects which will make the amplifier scrap.
Ajin

Apr 27, 2012 | Alpine Car Audio & Video

1 Answer

I have a a 12" alpine 1243d hooked up to an


You may have blown a fuse, check those to make sure they aren't blown. Verify that the connections are in place again and make sure the settings on the amp are correct as well.
If the fuse isn't blown and the connections are secure, I would make sure that the wire that you have ran from your battery is within the specifications for use with your amplifier.

Mar 05, 2011 | Alpine Type-R SWR-1222D Car Subwoofer

1 Answer

No sound from amp when amp is powered up, whats wrong? Alpine m-1000 wih alpine deck. Was told something about resetting it but don't know, please help?


There is a number of things that can cause no sound from the amp.

Check to make sure your RCA's are plugged in to the amp.
Make sure the ground and remote are not touching on the amp.
This will cause your head unit to gray out in some areas.
Verify, your subwoofers are in working order.
Test another pair of speakers on your amp to make sure.
If those speakers work, your subwoofers are fried or have come unhooked inside your subwoofer enclosure.
Make sure you have not set the head unit to Surround Sound if you have a DVD player in your vehicle.
This should be set as passive.
Make sure your gains aren't turned down on the amp.
MAKE SURE YOU DIDN'T BLOW A FUSE UNDER THE HOOD.
Even if there is a light on the top of the amp, the fuse might have blown.
Make sure a fuse on the amp didn't blow. This will in some cases cause the amp to go into protect and no bass.




Jul 27, 2010 | Alpine MRD-M1000 Car Audio Amplifier

1 Answer

Hi ive got a alpine mrp-m1000 it lights up no sound was woking fine in the car didnt use car for 3 months then i wouldnt work all wires are fine and so is the sub please help


If your not getting any sound make sure the sub input is in the right spot on you radio. if not check the speaker wires on your harness

Feb 14, 2010 | Alpine MRP-M1000 Car Audio Amplifier

1 Answer

The radio doesn't sound right


hello their, frist of all is the amp in the truck
running any woofers?
1. the alpine radio how old is it 2005-2009 ?
shuld have plenty of power
to pay the facory speakers and even up grades to a certain level.
try finding what that amp is playing ..
know if that amp palysyour system just needs to re-just!!

Mar 10, 2009 | Alpine Car Audio & Video

1 Answer

Blown fuses


This is a sign the you have poor voltage regulation. Which may mean that you are taxing the electrical system of your vehicle. I would suggest you adding a secondary electrical supply for you audio system. This can be done by adding an extra alternator and voltage regulator and battery supply. This will allow you to drive your audio system without having it (power supply) split between the vehicle and the audio system. The fact is your system is drawing to much current for the unit and your vehicle. You are blowing the 20-amp fuses which means the the amp is creating a currnet draw which is past the rated value of the fuses, which if done too many times could damage the power amp components in the unit. I would also check the ohmage reating on the speakers connect to the unit since you may have the wrong impedance which may also cause excessive current draw and actuate some sort of overcurrent protection.

Aug 31, 2007 | Alpine PDX-1.1000 1000W x 1 Car Amplifier...

1 Answer

Alpine MRV-T707 Car Audio Amplifier No Sound


disconnect all power (15min) try again with different speaker to see if sub is dammage.

Aug 22, 2007 | Alpine MRV-T707 Car Audio Amplifier

1 Answer

LED Light green but no sound.


disconnect all power cables first then short between G&P G&R try again with only one speaker at a time.

Aug 21, 2007 | Alpine MRV-T707 Car Audio Amplifier

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