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Hi I have a Marantz sr4001 and have been having some issues with it over the last few days. When I turn it on I get a constant clicking noise as if it is coming in and out of standby. It then gives the error message 'Check POW5'. Please help Thank you Francis

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5 Suggested Answers

  • 1894 Answers

SOURCE: Marantz SR7400 AV Surround Receiver

try a hard reset

leave the unit unplugged for one night and then switch it ON

Posted on Oct 07, 2008

  • 1 Answer

SOURCE: Marantz SR7400 AV Surround Receiver

Try resoldering the main bridge rectifier on the power amp circuit board. You will have to remove the board from the heat-sink. The rectifier is mounted off the side of the board and screwed to the back of the heat-sink. Resoldering this usually cures that problem.

Posted on Oct 08, 2008

smarthome2
  • 1114 Answers

SOURCE: marantz SR8001fail to standby mode, will not reset

Test all your speaker impedances and check for shorts on both wiring and speakers. Use a digital multimeter. If you still have an issue, disconnect all speakers and test receiver. If you still have a problem, post a comment and I can help some more.

Posted on Aug 09, 2009

  • 127 Answers

SOURCE: cant connect jamo sub 250 to marantz SR4001

Use the PRE-OUT SW (subwoofer) output and connect it to the left RCA socket of your subwoofer.

Posted on Mar 03, 2010

  • 1 Answer

SOURCE: what is the error POW 5 on a marantz sr 7500

I have a POW 5 failure on a marantz sr 7500. Anybody know how to fix?

Posted on Aug 01, 2010

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Please see my last few comments on the same issue. If you can't find it, please let me know. BTW, Marantz does not show the AZ8003 to be a valid model.

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How to reset marantz sr4001 from protect mode?


Protect mode comes into play when there is a problem with the speakers or amplifier First check all the speakers for opens or shorts If they are fine you don't reset it you repair the receiver.

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The volume control in this unit is most likely an Encoder and these have a nasty habit of getting dirty inside and false reading back to the computer that runs the receiver. In the past , I've had good results opening up the units and spraying what's called De-Oxit D5 into that volume control and rotating the thing a couple dozen times. . De-Oxit can be found on Amazon or Radio Shack

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Anything that has a headphone output can be adapted to feed an RCA cable pair for standard stereo to any audio device with a standard RCA input. Get a cable like the one described here:


http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10218&cs_id=1021804&p_id=665&seq=1&format=2


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Feb 24, 2011 | Marantz SR4001

1 Answer

Power button light keeps flashing and sound gos my marantz sr4001b


Register and download the manual for free at retrevo.com


http://www.retrevo.com/s/Marantz-SR4001-Receivers-review-manual/id/511ag801/t/1-2/


Page 48: See the note at the lower right.


After "PROTECT" appears on the unit's display, the standby indicator may start flashing. if it does, there is a problem in the unit or the connection. If this problem reoccurs even when power is activated from the remote control unit, call for servicing.


Generally speaking, an amp protects itself from heat, shorts and overloads by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.


Check for loose speaker connections as a root cause for intermittent shutdown.


Feb 21, 2011 | Marantz SR4001

2 Answers

My Marantz sr 4001 receiver has no output. Is


There is no fuses for the speakers. Check setup. If the receiver has 7.1 channel input try to connect a source there so you can check output (amp) section and the speakers.

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Cant connect jamo sub 250 to marantz SR4001... how do i do it? any suggestions?


Use the PRE-OUT SW (subwoofer) output and connect it to the left RCA socket of your subwoofer.

Sep 27, 2009 | Jamo SUB 250 Subwoofer

1 Answer

No sound/data from dvd or tv to receiver( marantz sr4001).. tuner works as does aux where i run my mp3 from. have just rehooked up main and center channels after repair. nothing else has changed ..just no...


You may have to tell the amp which type of input the dvd and tv are pluged into eg phono,optical or coax,you should find this in the amp set up menu.
hope this helps.
CABLE GUY.

Jun 30, 2008 | Marantz Audio Players & Recorders

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