Question about Pyle Dryver PLAD213 Car Audio Amplifier

1 Answer

Protect light will never go off

I've been unable to complete installation and test the speakers that I've got because of the protect light. At first I thought it was something to do with the subs so I've temporarily removed them, but the protect light remains on. I've tried about 3 or 4 different ground spots, and am using zero gauge wire for both the ground as well as power from the battery. I've also tried a few different spots for the "other positive cable" (it runs from the amp between the positive and negative large cables... unsure of name, earthwire?, ...usually goes into back of deck to determine whether to turn on amp). I've tried placing it in different fuses in my car like power windows and power seatbelts because they have a higher amperage and I was worried that that could be the problem. I seem to be fairly lost as to what to do next. The only suggestions I have left require me buying a new fuse for the power cable as it could be blown, and/or getting the installation done professionally. Neither are really viable options for me because I'm poor.

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  • James Harrington Jun 07, 2007

    What would you recommend I test with the multimeter?

    I know off hand that the fuse between the battery and my amp shows an extremely low resistance, but I'm even unsure as to what that signals!

    I can only hope to assume that my connection at the battery is poor. It seems to be a really old battery and I may end up testing with a new one lying in my garage.

    If it's any sort of help to know, my cousin had this exact same setup installed in his truck about 2 weeks ago and it worked fine. The only difference I can possibly forsee is that his ground and battery connections may have been better, and that the battery he was using was for an RV, rather than my tiny one for my sedan.

  • James Harrington Jun 08, 2007

    I checked a few things with the multimeter and noticed an errant reading (not 12v) coming from my battery wire. Turns out it was shorting out right inside the engine not 2 or 3cm away from the battery lead. All is well!

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  • 156 Answers

Unfortunately, it sounds very likely that you have a defective amplifier. Usually you see a protect light on an amplifier because of an internal short, supply voltage too high, voltage too low, or speaker connections of too low impedance or grounded. If your speaker wires are completely disconnected, that eliminates the most common external cause of a protect light. Also, a protect light from the voltage being too high is very unlikely without the engine running (and an alternator problem). The "other positive cable" you're referring to is the remote input, and it won't cause a protect light no matter how it's connected. You'd need a voltmeter to do much more troubleshooting; a protect light can be caused by a very poor ground connection, or it's possible that a poor connection at the battery or fuseholder, or a defective fuse, is causing a severe voltage drop. However, based on what you've described, it seems most likely to me that your amp is defective.

Posted on Jun 07, 2007

  • Brian Neathery
    Brian Neathery Jun 08, 2007

    You'd want to use the multimeter to test the DC volts at the amplifier's power terminals. Put the black probe on the ground terminal and the red probe on the power terminal, and look for the voltage while the system is on. If you get a reading of around or over 12 volts, and the protect light stays on, then it almost certainly means a defective amp. If the reading is well under 12 volts, then go back up to the battery and test various points of the power cable until you find the point where the voltage is dropping.

  • Brian Neathery
    Brian Neathery Jun 08, 2007

    Ah, good; I'm glad you got it figured out. Enjoy your system!

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1 Answer

Clip light is on volume is low


It is possible that the amplifier had encountered a fault with a higher current drain which had triggered it to a protection fault condition. The fault can be with your output drivers. Please check for short on the outputs fitted for both the channels. Use a meter after disconnecting to check for short in the drivers. Disconnect the positive and negative voltages to the output and see if the protect changes. Even a fault in the preamp stages that drives in high current into the output can shut the Amplifier. Sometimes this can be a noise which can be a HUM or HISS before the protect works. Faulty capacitors in these circuits also can cause similar issues and needs close observation.You need to confirm and replace the specific stages or outputs. If not there can be issues in the mother board. Maybe the protect circuit by itself is shutting off due to a faulty bias or there is a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the amplifier comes out of the protect mode then check for short on the speakers

Nov 30, 2011 | Kenwood VR-307 Receiver

Tip

Display says Protect , and the unit does not start.


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

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1 Answer

The "PROTECT" light indicator came on and now the


The protect light generally comes on when the is a short in the speaker cabling. as a test, turn on the mixer without any speakers hooked up. If it still goes into protect mode the problem is in the mixer. Take it to your local music store and have their tech look at it. if it doesn't go into protect, check the speaker cables by plugging them in one at a time. The bad one will send it into protect.

good luck

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How do you reset nitro amp that is in protect mode?


If the amp is in protect mode, then there may be a speaker wire that is shorting out or you may have a bad speaker...you can test this by completely unhooking the speakers on the amplifier and then turning the amplifier on...if it comes out of protect mode then you will need to find out which speaker is bad...if the amplifier does not come out of protect mode when you turn it back on then there is a problem inside the amplifier and you will need to take it to a service shop for further diagnoses

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Comes up when switched on protection


Protect occurs when 1 or more of your speaker wires is touching somewhere. Power off the receiver, connect speaker wires to receiver and speakers again, power back on, should fix the issue.


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.


Also use the link below..

http://www.youtube.com/watch?v=h9SPYjPBg4M

Take care..

Mar 21, 2011 | Audio Players & Recorders

1 Answer

Stuck in protect mode. reset not fixing it


look for crosses/shorted speaker wires, particyularly, look for loose strands at the ends of the speaker cables to ensure that they are not crossed and shorting the amp out.

if the cables are fine, then check the speakers to see if they are blown. you should be able to gently push the cone of the woofer(s) (the biggest, bass speakers) in gently with your hand for about an inch, with no resistance, before it bottoms out. if there is any resistance while the cone is moving downward, like a scratching or a rubbing inside the speaker, then your vioce coils are fried, causing a short circuit and throwing off the "protect" light.

to test the tweeters (smaller, high frequency speakers) for damage to the voice coils, disconnect them completely from the rest of the speaker, and see if that doesnt cause "protect" to go off. you can also push in on tweeters, but they wont "give" as much as woofers, making it hard to tell if there is any resistance going on inside.

if the problem is not with the speaker wiring or the speakers themselves, then the amp is broken.

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1 Answer

No sound , display shows digital protect


The most common problem found on FixYa for Audio Video2_bing.gif Receiver's is:

My receiver say's "Protect" or turns on then off. What's wrong? Seven times out of ten it is a shorted speaker or speaker wire. To determine your exact problem, the first step is to disconnect all speaker wires "at your receiver" Next: Turn the receiver back on. If your receiver still says "protect" or turns off, it needs to be serviced. If your receiver stays on; reconnect your speakers one at a time and power back up after each speaker. You may find that after reconnecting all speaker wires it works! Most commonly the small braids of wire from the + to the - have touched and have caused the problem. In some instances, you noticed the problem only when turning the volume up. either way, make sure the exposed wires to your receiver are no longer than 1/2" long and are completely under the screw down terminal or slide in. When you've found the wire or speaker with the problem, your receiver will go back into "protect" At this point, disconnect the wire from the speaker at the speaker that may be causing the problem then test again.* Note* Make sure speaker wires do Not touch each other as this Will cause a short! If you turn the receiver back on and it stays on, you now know the problem is in your speaker itself. To test your speaker, you will need a multimeter. Set it to ohms resistance and touch the speaker terminals, if there is a short internally the meter will read "1......" If it's an analog meter, it will peg to the right. There's your problem. Now, within any speaker there are quite a few possibilities as to what could be causing the problem. Most common is a blown coil and the speaker needs to be replaced. Some speakers have internal crossovers (usually floor standing speakers) and may have a shorted or burnt board (usually very visible brown burn marks on the board) and can possibly be repaired if your handy with a soldering iron. Now, if you disconnect the speaker wire at the speaker and it still says "protect" Check your wire for the obvious cut or nail thru the wire if possible. If your system has wiring that runs behind walls, you may need to use your meter again. Disconnect the wire at both ends, keep the ends separated, put your meter on ohms resistance and touch probes to the + and - wires at one side. If the meter pegs to the right or reads "1...." the wire is shorted and needs to be replaced or repaired at the short. Hope this helps.

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2 Answers

My Stereo Is Always On Protect Can It Be Easily Fixed


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

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You have a shorted speaker wire or a blown speaker. The unit is protecting itself from damage. Did you install it? if so, pull the deck and check your connections. If they all seem fine, disconnect one speaker at a time, and turn on the radio. Make sure the radio speaker wires are taped so they don't short and cause more damage. Test each speaker wire until you find which one is causing the problem. Now re-connect all the other speakers and test. Next, disconnect the speaker wire right at the speaker that's giving you a problem, tape it off, then re connect it to the receiver. now test again. If all is ok, you have a bad speaker, if not run a test wire from the radio to the possible bad speaker and test again. If the speaker plays, you know what the problem is, replace the bad wire. Most often it's a door speaker wire or a wire got pinched during installation and took a while to short. Hope this helps

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1 Answer

Stuck in protect mode


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

May 04, 2009 | Sony STR-D1015

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