Question about Sony MDS-JE520 Mini Disc Player

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MDS-JE 520 I don't know what happen to my unit. I plug the powercord in the outlet...The standby power light go on (red)..But the whole unit is not power on at all. Please help Thanks Kevin

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Mainboard failure due IC 501 underneath the circuitboard. You need to replace the whole board, or find another MD second hand (much cheaper).

Posted on May 15, 2011

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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.

Posted on Jan 27, 2008

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Samsung LN40C610N1F. When plugged in, the red standby light comes on, but when I hit the power button the unit will not power on. The light doesn't blink or anything.


I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have tobuy and try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.4_19_2012_3_53_26_pm.jpg

if set opened look for puffed up caps like these on the power board.

Apr 18, 2012 | Samsung 40 LN40C610 LCD TV

1 Answer

Power switch


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

2 Answers

Is the red light suppose to stay on when you turn off the tv with the remote?


Yes it is supposed to stay on. This is the standby light. The television still draws power as do many electronic devices when not turned on and when in standby. If you do not want the red light to stay on you will have to unplug the television.

May 09, 2011 | Samsung LN32A330 32 in. LCD TV

2 Answers

MDS 503 STUCK IN STANDY MODE?


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

Start button not working standby light staying


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.

Feb 22, 2009 | Sony MDS-JE520 Mini Disc Player

1 Answer

AKAI LCT3201AD


Find and replace the following caps, Ec18, 19, 20 / 1000uf/16v,
Ec9, 10 / 1000uf/35v, Ec14, 25 / 470uf/35v should resolve the problem. You can get the caps at almost any electronics supply.
This is a common problem in this unit.
Good Luck!
Happy Thanksgiving!
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
premtech@willapabay.org

Nov 27, 2008 | Akai LCT2715 27 in. LCD Television

1 Answer

AKAI 32" LCD HDTV WILL NOT TURN ON


The only solution at this point would be to get the power supply repair since new boards are not longer being manufactured. In about 95% of the time if the LCD doesn't power up or turns OFF by itself or need to be unplug for some time to make work again; those are the symptoms of a dying or defective power supply.
I service these power supplies, for more info write to jah2mil@hotmail.com

Nov 27, 2008 | Akai PDP4294 42 in. EDTV-Ready Plasma...

1 Answer

Mini Disc Not Working


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?

Oct 06, 2008 | Sony MDS-JE480 Mini Disc Player

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