Question about Sony MDS-JE520 Mini Disc Player

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Start button not working standby light staying

Even when i switch of power and switch back on problem persists start button not working standby light still on

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  • HW_Dude
    HW_Dude May 11, 2010

    Can you describe the problem in more detail please ?



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  • 473 Answers

The switch is for 'REC' 'Standby' and "PLAY".
If you leave it switched to "Play" and pull the plug and push it in to the wall receptacle (mains) it should start playing after a few seconds delay. The same for "REC". You use a timer unit on the power cord for those.
If you have the switch in the middle position and plugged-in, you should have a tiny Red LED illuminated. Push "Power" and it should start-up and be ready to use in a matter of a few seconds.

Posted on Sep 01, 2009

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1 Answer

Why does the display flash with the word Standby when I switch on?

Some of the decks when first plugged in or powering up need time to get started. I'd wait then press the on button and see if it then turns on.

I get this message on my JA50ES when it has been unplugged or the power went off. It will say standby then you have to push the on button and then it works. I also have this situation with an older Sony Blue Ray Player. My newer Blu Ray comes on fast the older one has a similar situation...

Other possibilities are 510 is just wearing out... The 510 was great but it is an older model. Old units are not worth fixing should this be the case go for a 600 MD Deck (later model) or consider one of the ES Decks. (higher end).

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You probably need to press play or record or pause release in addition to what you have been doing. When I try to record I sometimes then have to press record or the pause again as it is in a holding setting to help you set the sound level before recording.

If it is not this fix the deck probably has mechanical problems due to age. I have had Sony decks which worked fine sit in storage for a time then never work again - I don't know why either.

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It could be more than just a switch but maybe the tact switch for the power is not working. It might need to be replaced. It may be a job for a technician as sometimes the face plate has to come off to get to the board with these switches mounted in it. I have replaced some switches and that was the answer- it should be pretty easy to determine in the right hands.

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The red standby light is always on. It should only change when you press 'power'. When you turn it off, it is on 'standby', meaning you can switch the switch to make it start-up in play or record mode by using a timer and the switch below the power switch. This is normal for Sony.

Feb 24, 2012 | Sony MDS-JE330 Mini Disc Player

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I'd try pressing the play button after record or releasing the pause button.

Dec 19, 2010 | Sony MDS-JE520 Mini Disc Player

2 Answers


Is it an MDS-JE530? Do you have a minidisc in it? If yes, then unplug the unit. Slide the little switch from TIMER "OFF" to "PLAY", then plug the unit back in. After 10 seconds, it should turn on and start playing the minidisc. Let me know if that works or if we need to try something else, okay?

Dec 30, 2009 | Sony MDS-JE520 Mini Disc Player

1 Answer

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Pull the power cord. Make sure the three-position switch with "REC/Standby/PLAY" is in the middle position, then plug the cord back in. Wait a minute, then press POWER. Now load a disk and wait 1 minute for it to read the Table of Contents (TOC). Either it will show the tracks, or it will say 'empty disk'. Let us know what happens from there, okay?

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1 Answer

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I just bought the system yesterday and the same thing happened to me. I didn't realize the alarm was set and it kep going off at midnight. I think I just solved the problem. While the unit is off, press the standby button then the alarm button and wait for the alarm symbol to go away. This should do it.

I have another problem. Every time I turn the unit on, it comes on at about an 18 sound level waking everybody up. This happens even if the radio has been playing on low before turning it off.

Any solution to this problem would be appreciated.


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what the problem sounds like is that your power button on ur main deck is broken or its in a standby mode activated by the remote. like some new dvd players that have the click in power button on the front u can turn them off by remote saving having to turn on the whole unit again from the main to use it.

Oct 04, 2007 | Sony MDS-JE520 Mini Disc Player

1 Answer

Not Working!

Hello, I will try to find you the Service Manual. Please leave your email. Best regards, Arpi

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