What is the error POW 5 on a marantz sr 7500

maybe faulty cables try another set, make sure needle cartridge installed properly.

http://firmware.marantz.eu/ Hope you know what you're doing.

Service manual says that POW5 error is because bad 5volts supply but could be something else. Check all supply voltages.

Register and download the manual for free at retrevo.com

http://www.retrevo.com/support/Marantz-SR7500-Receivers-manual/id/511dj778/t/2/

Page 42

I have the problem of check POW5 too and have the similar procedure taken several times but it doesn't help. What actually problem I have encountered? Or the quality of this brand is not reliable? Does any body help?

The POW5 fault indication means that the 5Volt power supply grid is not OK. The unit needs to be repaired by a professional repair engineer. No user servicable parts inside.

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.

http://us.marantz.com/DFU_SR7500_Final_Eng.pdf

Page 18 of the manual will walk you thru the audio setup. It has Digital auto, Digital, Analog auto, Analog. Once this is set you should be fine, if you still have an issue, post a comment and I will help you further. Hope this helps

Verify that the digital output is enabled. This is a switchable output. A brown-out or other power isseu may have shut it down.
Get back to us if that is not the case.
Dan

hello AuburnCE, After 4 years of joy my Marantz SR8200 receiver also shows this message from time to time - after 1h of operation or so. Then it is hanging (like a PC ;o). Taking it of from the electricity network for a moment resolves the problem until the next POW 05 hang usually a fiew days later. I brought the receiver to an authorized Marantz maintenance and repair center twice now and they were not able to reproduce the error. They said this has directly or indirectly to do with the power supply unit. They also called marantz. For me it appears that this is not an internal receiver problem IN MY CASE. I think I there might be a relationship to zapping on my Topfield SAT receiver via power supply network as the connection is optical. Or my dimmerunit for the light. Unfortunately I do not have a separate electric circuit for Audio/Video and all other electrical devices. and dimmer units are well known to cause problems in the power supply chain - e.g. like noise in your audio package. Please note: the experts told me: Check POW 05 can have other (receiver internal) causes also. Above is just my suspicion 8as a non-expert) for my case . Regards, Fred