Question about Technics SCEH790 CD Shelf System

5 Answers

How to avoid drawer not opening in the future - any tips.

Can inspection of gears & track be safely done?
What is danger level of laser when unit is switched off?
This is a CD p[layer SL-PJ26

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  • rulrich Jul 15, 2008

    yes thanks

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Laser wont really hurt , if you really familiar on how to clean that unit you can go ahead and do it but not better ask a professional to do it for you..

Good luck.....

Posted on Jul 15, 2008

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HAI,NO DANGER LEVEL OF LASER UNIT.

Posted on Jul 15, 2008

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Laser is not harmful when the unit is switched off and inspection of gear and truck be safely done by consulting technican in that field

Posted on Jul 15, 2008

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Hi-

Laser wont actually harm if your unit is off. Yep you can check the gears and tracks by opening the unit but best suggestion is by having an expert check on it or if you want to do it by yourself make sure you have an exploded diagram of the unit itself so youll know what or which part goes to another when you dismantle it, if product is within warranty call manufacturer on this.

Thanks for using Fixya!

Posted on Jul 15, 2008

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THERE IS NO DANGER FROM THE LASER UNIT.

Posted on Jul 15, 2008

  • Legin Varghese
    Legin Varghese Jul 15, 2008

    The only was to inspect is to open the unit and apply a little vasline on the gears and rail. it will work fine.

  • Legin Varghese
    Legin Varghese Jul 15, 2008

    If this answer was helpful kindly rate fixya..
    Post back if you have any questions.

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Why can't we get the dvd to eject?


Possibility 1 -
The laser light inside the DVD player is most probably no longer aligned and cannot read the beginning of the disk. Therefore it keep on trying to find the first line but it can't.
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Your husband entered a pirated copy and sometimes the first few tracks are unreadable due to the lower quality of DVD-R used and it jams the laser light inside the DVD player.
What needs to be done is to unplug the DVD from its source and gently pull open the DVD drawer in order to remove the stuck disc inside. Once that is done, power up the unit and press on the "eject" bottom so that the drawer can close itself.
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My Marantz 63 Cd Player makes a loud sound as it opens and/or closes.


It may require lubrication, or the gears are showing signs of ware. If it is a lubrication issue you will need to dis-assemble the unit to track the source and address the problem. It is possible part of the mechanism has come loose.

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Cd player won't open


The drawers on many CD players are belt driven. The belt may have gone bad. Others have a gear drive with a clutch plate that slips if the mechanism is overloaded. An excess of dirt or dust in the gears would be an overload. (The worst case I ever saw was a CD player in a woodworking shop. I had to clean out a lot of very fine sawdust from the plastic gears and lube them with paste wax before it would work.)

Caution: avoid looking into the CD laser lens when you have the unit plugged in. Even though you can't see the beam, it can burn a hole in the retina of your eye, leaving a possibly permanent blind spot. When I work on a problem like this, I turn the drawer motor pulley or gear by hand to test the mechanism so I don't need power. That way I can feel any drag or catch points that need to be addressed. Once it works manually, I avoid putting my face over the unit while I apply power for a pre-closure test.

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Transport will not accept or load any discs


do you used a laser lens cleaning disc periodically cleaning the lens after every 8 hours of use or so ?
if not, and if the laser itself still is functioning , then manual cleaning of the lens with a drop of cleaning solution on a q-tip and then dry cleaning it with the other end of the q-tip , will get it going again
otherwise gears may need grease or worse, there is a problem with the laser , laser focus , or signal board , so then testing will need to be done to find out which has failed

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Cdr20 drawer is jammed ERROR message


Try taking the unit apart it mostlikly jamed or jumped track try re ajusting it that would prob work, another thing is to try messing with the gears that could aslo work

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My C.D Drawer is stick I can't get it open.


First off, what is the make \model of your machine so I can help you better. Otherwise, take the cover of the unit off and look to see if you can see any small gears at the front of the drawer. If so use a small screwdriver to turn the gear or gears. The laser assy. will move down first to get out of the way of the drawer then the drawer will slide open.
If you cannot see any gears you must get the drawers' faceplate off. Once off you should be able to see gears or a belt and motor that you spin to get the laser assy. down. Once the laser assy. is down you will be able to slide the drawer out by hand.
Replace belt if there is one. Good Luck!!

barneyluc

Oct 01, 2008 | Optimus Televison & Video

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How to avoid drawer not opening in the future tips.


The taping on top worked best
On instpecting the track no obvious cause of problem seen and understanding of mechanism helps
See how it will go
Thanks
Rosalie

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Try raising the door. It may be off the roller tracks inside. If you get it to open you'll find the problem. These tracks are like kitchen drawer tracks.

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