Question about Crown XTi 6002 1200w Stereo Power Amplifier CUSTOMER RETURN

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My xti 6002 crown amplifier ch2 shows thermal protect and fan is in full speed .what is causing the problem kindly give some tips to repair it

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Crown utilizes small signal transistors as thermal tracking devices but i think that this is not the main issue with the amplifier, it could be in the output stage with some power transistors failure, does the other channel works fine?

Posted on Nov 06, 2013

Testimonial: "yes the other channel works fine."

  • System TECH Jan 11, 2014

    I ve checked the out transistor and resistors its O.K .can u give me some sugession.

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Posted on Jan 02, 2017

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SOURCE: i need the schematic for the crown amplifier

These are available for purchase from Crown. Generally they are not available on the web. Is there a specific problem that you are having?

Dan

Posted on Jun 29, 2009

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1 Answer

No sound from speakers or headphones fan not working gets warm


The Crown CE series of amplifiers have a 7 stage fan that runs as needed when the amplifier is working. Generally the fan is running at some point most all of the time, and you should be able to hear it ramp up as you push the amp to deliver more power. If the amplifier fan is not functioning, you may be in a thermal shut off mode that protect the amp from overheating by shutting off any signal. My advise would be to contact the manufacturer, and have it serviced.

Apr 05, 2014 | Crown CE2000 2-Channel Amplifier

1 Answer

My xti 6002 goes to thermal protect after few seconds after i switch it on .The problem is only on ch2 and ch1 is fine.what is causing the problem.


I've been seeing this a lot. The outputs are common failure. Needs to go to a shop. Shorted transistor is likely the cause.

Jan 11, 2014 | Crown XTi 6002 1200w Stereo Power...

2 Answers

Schematic diagram


Cannot give you the diagram but repaired some of them. whats the problem?

Oct 05, 2013 | Crown XTi 6000 2Channel Amplifier

1 Answer

My amp was blinking while it was working then it went off.Now it doesn't power up..Crown Xti 4000


Power supply likely failed. Electrolytics are the primary culprit.
It should have a switchmode power supply, so it is lmost likely the 5 volt section failed.

Sep 17, 2012 | Crown XTi 4000 Amplifier

1 Answer

Crown xti 6000 cuts on then cuts off in 3 seconds of the start up.


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 your output drivers- the MOSFETS/IC's 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 like 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 , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, if the protect is off then check for short on the speakers.

Thank you for using Fixya

Sep 23, 2011 | Crown XTi 6000 2Channel Amplifier

3 Answers

Fan don't work when power is turn on crown xti 4000


the fans on these amps are heat sensitive, only when the amp heats up, then they come on

Mar 27, 2010 | Crown XTi 4000 Amplifier

1 Answer

Fan running


This is a very sophisticated amp and it will turn the fan on at various speeds when it feels the need for it. Of course, if it's running REALLY hot, going into thermal protection and/or posting a fault you might take a look at it to see if it CAN turn (no obstructions).

Mar 26, 2010 | Crown CE1000 2-Channel Amplifier

1 Answer

I need the schematic for the crown amplifier xti 1000 crown xti 1000 2-channel amplifier


These are available for purchase from Crown. Generally they are not available on the web. Is there a specific problem that you are having?

Dan

Jun 28, 2009 | Crown XTi 2000 2-Channel Amplifier

2 Answers

Amp cuts off


The amplifier is going into protection. This may be caused by problems with speakers or wiring, or there may be internal problems in the amplifier. Start by connecting a known good speaker with a few feet of wire, and see if it runs without shutting down. If so, check the wiring and speakers. If the problem continues, the amp should be serviced.

Nov 23, 2008 | Crown XTi 2000 2-Channel Amplifier

1 Answer

Crown xti2000 cuts off


The protection circuit is most likely shutting down the amp because of heat. When the amp shuts down, does it feel hot? If not, then further investigation into the protection circuit will be necessary. This is not a problem that is likely to be diagnosed remotely as measurements will be required internally once the amp has stopped working. Check the sepaker wires for shorts that will cause the amp to work extra hard (generating extra heat). Other than that, you will need a servicer to diagnose further.

Dan

Nov 23, 2008 | Crown XTi 2000 2-Channel Amplifier

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