Question about Pyle PLA2280 Car Audio Amplifier

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I have a PLA2280. It stopped working suddenly. The power light still comes on and the protect light has not come on. However, there is not output to the speakers. What could be the problem? Any help would be great.

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  • 62 Answers

Check for solid rca connection from head unit and depending on your head unit the sub could be switched off in the settings

Posted on May 26, 2011

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1 Answer

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.

Dec 31, 2013 | Denon Avr-1610: 5.1 Ch A/V Home Theater...

1 Answer

My amp has a protection light on need to know how to fix. When I pull the fuses out the power comes in but when I put the fuse back in the protection light comes back on


From the description your audio output transistors or ic's have a short causing a load problem activating the protection circuit. Turn volume right down, power off, remove speaker wires from the back, power on! if protection kicks on it is the audio outputs in the receiver, if not! check speaker wires for shorts, hook back one at a time until defective wire or speaker is located. The audio outputs will need to be addressed by a technician since there is complexity involved.

Mar 03, 2012 | Legacy Car Audio & Video

1 Answer

NAD M3 power light turns red immediately and PROTECT message displays. Amp keeps functioning but volume control doesn't work up or down.


Hello
Check the connection to speaker with this amp, for any short or any other fault. disconnect the outputs, ie, speakers from the amp, and switch it On, and see the protect display comes or not. If it comes, the fault is internal and the set need service.
Your M3 dual Mono integrated amp, is of high output power and its outputs are protected against any overload or short circuit. If the system detect any among this condition specified above, it will show protect mode display.
Never load this amp, as protection display is there, as it may damage the speaker or its internal power amplifier section circuits, may cause more money to get it repaired. OK.

Jan 23, 2012 | NAD M3 Master Series Integrated...

1 Answer

I tryed to have additonal speaker on my sharp cd-BA 150 player all sudden stop working and gave me an error message "PROTECT" so how do I fix that?


The output amp section for your system is not designed to run more than the speakers that come with it. By adding more, you presented too low an impedence load to the amp and overheated it. This occurred too quickly for the internal protection circuits to kick in to prevent damage to the outputs. This unit will now require that the outputs be replaced. These are not the easiest units to work on, so I would not suggest that you attempt this repair yourself. Expect a parts cost in the $35 range for this repair. Dan

Jun 09, 2009 | Sharp CD-BA150 Shelf System

1 Answer

Mxa422 protection


Outputs are fried. Try disconnecting your speakers and see if it still goes into protection mode. If it does then you A thumbs up would be greatly appreciated if answer is helpful for your question. THANK you and GOD BLESS

May 24, 2009 | Lanzar MXA422 Car Audio Amplifier

1 Answer

Sound cuts out


Output short protection needs work.

Mar 29, 2009 | Audio Players & Recorders

1 Answer

Jbl sub power dumb blonde needs help!


sound like something shorted out or is shorting it out sounds like its in protect mode.-z

Feb 20, 2009 | JBL BassPro Car Subwoofer

1 Answer

Amp Issues


1800W peak output at 2 ohms
975W peak output at 4 ohms
600W RMS (continuous) at 2 ohms
325W RMS (continuous) at 4 ohms
Variable LP crossover adjustable 35-250Hz
4 AWG power/ground inputs and RCA pass through
Low-pass filter
Bass boost 0-18dB adjustable remote punch bass EQ
Signal-to-noise ratio: >80dB
Line-level input


It is going into protect mode for a reason.
Disconnect the subs and turn everything on again. If the light comes on, the problem is internal and will need servicing by a technician.

Dec 22, 2008 | Ultra Linear UL-2200D Car Audio Amplifier

2 Answers

No audio-amp protect light come on then went


You need to check the DC voltage across the B+ and ground terminals. You also need to check the DC voltage across the remote and ground terminals. If the voltage is less than 11 volts, you need to check the B+ supply and remote wiring for breaks or open fuses. You should also check the ground connection to confirm that it's not loose.

 

If the voltage is OK, the output transistors are likely shorted.

Oct 21, 2007 | JBL GTO75.2 Car Audio Amplifier

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