Question about Denon D-M51DVS System

1 Answer

Unit automatically switches off

In the process of playing a DVD my Denon D-M51DVS system automatically stops playing the DVD and switches to stand-by mode (flashing orange light) The time between turning the machine on and it turning itself off seems to shorten as it continues to play the DVD and thus the machine gets hotter. I have tried to make sure the machine has enough space around it in case overheating is the cause of the shut down problem but to no avail

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that gotĀ 5 achievements.


    An expert who has written 50 answers of more than 400 characters.


    An expert whose answer gotĀ voted for 20 times.

  • Expert
  • 196 Answers
Re: unit automatically switches off

Maybe all you need is to dust off the DVD player's pickup. I have had this happen several times with several players. After dusting the pickup, those players are still in service.

Posted on Feb 15, 2006

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

After assigning the digital audio inputs I have no sound. The unit keeps flipping to TV (instead of Sat/Cabl or DVD). Any thoughts?

Denon AVR 3313CI Getting Started Manual

If you have setup problems:
If you need additional help in solving problems, contact DENON
customer service in your area.
See the address sheet included in the box.
Call for Assistance: 9:00AM to 8:00PM M-F E.S.T

Denon AVR 3313CI Owner Manual

Denon AVR 2313CI Specification

May 15, 2015 | Denon AVR-3313CI

2 Answers

Panasonic DVD player problems - switches to

get the dvd player len cleaned using a len cleaner.
are you operating the unit with the remote when find the mentioned issue try manually.

Jul 31, 2008 | Home Theater Systems

1 Answer

I bought my first RTD215 2 years ago but the dvd player got stuckand wont open nor play... I bought another unit same model and after 8 months the same thing happened.. the dvd player got stuck again but...

If you really like the unit (disregarding the DVD player issues), maybe you could buy a GOOD stand-alone DVD or BluRay player and be ready for an upgrade in the electronics when the bug bites.

Feb 05, 2011 | RCA RTD215 Theater System

1 Answer

I cannot play NTSC DVD's on my Bose system

thats because your region is for PAL-SECAM. Your unit cannot recognize this format unless it has been programmed to automatically play NTSC & PAL-SECAM.. Browse the menu and try switching to NTSC format. hope this helps ;-)

Feb 04, 2011 | Bose Lifestyle 38 DVD Home Entertainment...

1 Answer

Need region free codes

You can try this one it worked on my home threater system

  • Power On with empty tray (No Disc will be displayed in the DVD control panel)
  • Press the Enter button on your remote control
  • Press the buttons 8, 4, 2, 6, 9 and Enter button on your remote control
  • Tray will Open automatically
  • Close the tray on the DVD player
  • After 15 seconds have elapsed, power Off your player (switch the unit to stand-by mode) and then power On your player
  • Finished and ready to play all regions
hope this helps

Little Dish Fitter

Apr 20, 2009 | Samsung HT-TX72 Theater System

1 Answer

Sony DVD Home theatre system

lets perform special reset function in your home theater.
1= set to stand-by mode
2= press three buttons of "Stand-by, Function & Volume- " all togather.
3= you will see "Cold Reset" message on front display of set.
4= power up and enjoy ;)

May 28, 2008 | Sony DAV-X1 System

3 Answers

Sound problem with LG LHT754 theater system

Hold down "2" on the remote simultaneous to "stop" on the receiver. In a couple of seconds you will see something appear on the display. OPO-63? Anyway, repeat the process again when you see that. The system will reset. This will also take care of the inability to switch to AUX or Ipod.

Feb 16, 2008 | Home Theater Systems

1 Answer

Denon 500SD

did you get this fixed? I have the same problem. Stuck on stand by doesnt switch on from remote or the unit.

please help

Dec 28, 2007 | Denon DHT500SD System

1 Answer


Remove all power from the unit. Let it sit a few minuets. Plug it back into the wall outlet. This should resolve the problem.
Put the dvd into the unit that you were having problems with, and try and play it. If it works - everything is ok. If not - try repeating the process 2 to 3 more times. What is going on here is the Unit automatically assigned a regional list in its memory. Sometimes this happens during an AC power surge (noise) on the line. This can corrupt the macienes internal memory. Bypulling the plug you allow the internal circuitry (typically some capacitors) to discharge. After this the unit will re-set & the error will go away.

Nov 22, 2007 | JVC TH-A30 System

1 Answer

Denon S-301 video problems

Theis is a known problem by Denon, you need to get a "patch" by denon to fix the problem. If you hook up to the other video out sources there is no problem (but no HD either)

Jan 30, 2007 | Denon S - SERIES PREMIUM HOME THEATER...

Not finding what you are looking for?
Denon D-M51DVS System Logo

Related Topics:

200 people viewed this question

Ask a Question

Usually answered in minutes!

Top Denon Home Theater Systems Experts

Dennis McCollum

Level 2 Expert

137 Answers

Electro Med Services...
Electro Med Services...

Level 3 Expert

5327 Answers


Level 3 Expert

6993 Answers

Are you a Denon Home Theater System Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides