Question about Sony CMT-CPX11 CD Shelf System

1 Answer

System turns off!

Need some help, ive got a Sony CMT-CPX11 system, and when i turn it on, it turns off automatically after 1 or 2 seconds and then the stand-by light continues to flash. It cant seem to stay on. Any suggestions on why this is occuring? Thanks

Posted by on

  • Anonymous Feb 18, 2008

    I have the same problem. Try to unplug the CPX11 and leave it for a minute. Plug it in and it might work, my CPX does so.




1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.

  • Master
  • 691 Answers

The flashing standby light indicates the system detects a fault. When the ?/1 (?/1 is the symbol for the standby button lamp) indicator flashes Immediately unplug the mains lead and check the following items. ? If your system has a voltage selector, is the voltage selector set to the correct voltage? Check the voltage for your region, then make sure the voltage selector is set correctly. ? Are the + and ? speaker cords short circuited? ? Are you using the supplied speakers? ? Is anything blocking the ventilation holes on the rear of the system? (The thermal cut out may be operating but more likely after a longer period of use) Check all the above items and fix any problems found. After ?/1 indicator stops flashing, reconnect the mains lead and turn on the system. I f the indicator still flashes, or if the cause of the problem cannot be found even after checking all the above items, consult your nearest Sony dealer.

Posted on Jul 02, 2007


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


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



Related Questions:

1 Answer

Set time on sonymp3 cmt-bx20i

You need to use buttons on the remote to set the clock.

1.Turn on the system.

2.To select the clock set mode press TIMER MENU. If the current mode appears on the display, press up and/or down to select
"CLOCK SET?" and then press (+)

3.To set the time. Press up and/or down to set the hour, and then press (+) to confirm. Repeat to set minutes.

The clock needs to be re-set whenever power is lost to the unit.

The clock can be momentarily displayed when the system is off by pressing DISPLAY. The clock is then displayed for about 8

The full support section with manual downloads is available here for further help and guidance:

Hope this is of help.

Dec 17, 2014 | Sony Vertical iPod micro system CMTLX20I...

3 Answers

Stuck in standby

You can reset all to factory settings, which may help; unplug power, put back in switch on with power button. Then press together "tape", "CD" and the power button. You may need to reset the clock before it will work. If you need the manual, here is the link; check page 26 for the reset if not clear - nothing else in there that seems to be related, but you may find something i missed. Hope this helps :)

Jul 01, 2007 | Sony CMT-CPX11 CD Shelf System

1 Answer

Need remote for cmt ex100




Feb 08, 2013 | Sony CMT-EX100 CD Shelf System

1 Answer

I can't turn demo mode off or Standby from flashing on my Sony CMT-MX550i, can't turn unit off without unplugging it.

Sony CMT-MX550i -- I had good results by pressing the "TIMER MENU" button on the remote and simply setting the time. After that, no more demo.

Jan 16, 2013 | Sony CMTMX500i Desktop Micro System

1 Answer

Sony CMT-GP5 subwoofer output very quiet

From the description the subwoofer is the problem, since the item is new return it to the place of purchase, this is a manufacture issue.

Aug 13, 2012 | Sony CMT-GP5 CD Shelf System

1 Answer

My sony cmt-nex3 has the standby light flashing, but when i press the on butto, it doesn't turn on

Check the back for speaker wire shorts, next! there may be a short in the audio output chip or surrounding parts in the stereo, this is more suited for a technician to sort out.

Jul 03, 2012 | Sony CMT-NEZ3 Shelf System

1 Answer

Sont CMT-NEZ5 won't stay on, standby light blinks

I haven't the schematic diagram to your set at present. If you send the schematic you have with me now, I'll refer it and will give you further assistance. OK.

Nov 10, 2011 | Sony CMT-NE5 CD Shelf System

1 Answer

Sony CMT-EP515 CD Shelf System. CDs wont play. Place CD in tray and close, disc doesnt spin but 4 distinct clicks heard then nothing

It could be 3 things.
1. the Laser carrier may be stuck and may need to be gently pried from centre to outskirt and back.
2. your cd spinning motor has gone and needs to be replaced,
3. your laser carrier motor has gone and needs to be replaced,
hope it helps.

Aug 04, 2010 | Sony CMT-EP515 CD Shelf System

1 Answer

Please help - I purchased my Mother an iPod (4g NANO) for Christmas and need to know how she can hook up the iPod to her stereo system to use it as I do at home. With mine all I needed was a AUX Cable...

All you need is a 1/8th stereo adapter that runs two rca jacks out red/white! You can get this at any radio shack store...Plug jack 1/8th into mp3 player and the red/white jacke can plug into her aux input Or any other input!
Please rate my answer and help keep this site free!
Thank You

Dec 23, 2008 | Sony CMT-HP7 CD Shelf System

1 Answer

CD Player

WIthout knowing the specific model, I can't be 100% sure, but a number of models in that vintage had a problem with cracked ribbin cables that go to the drawer unit. Replacing the cable usually fixed the problem. What is the specific model number?


Jul 29, 2008 | Sony CMT-CPX11 CD Shelf System

Not finding what you are looking for?
Sony CMT-CPX11 CD Shelf System Logo

Related Topics:

413 people viewed this question

Ask a Question

Usually answered in minutes!

Top Sony Audio Players & Recorders Experts

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers


Level 3 Expert

5554 Answers

The Knight
The Knight

Level 3 Expert

75846 Answers

Are you a Sony Audio Player and Recorder Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides