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If the unit is displaying all zero's...it is not reading the disc...You can try a cleaning disc in the unit...If this doesn't work..there is a problem with the laser pickup..then you need to get it serviced...I hope this was helpful....
There are a few possible causes. 1. Lens on laser pickups dirty. 2. The belt that closes the drawer also lifts the CD assembly to allow disc to spin. If the belt is loose, drawer may close but not be able to lift CD. Listen to mechanism after drawer closes. Do you hear the disc spinning up? or Do you hear a motor trying and then shutting off? You can also remove the case top and visually check these. 3. The spindle height may have slipped. 4. The focus and tracking may have changed with age. 5. The pickup may be bad. And finally the carriage may be stuck and not moving the Pickup(Laser Assembly) to its start position.
The CD spins while the laser tries to focus on the disc, and that's how it knows a CD is in. It's not detecting the disc and so the CD stops. This could be simply dirt on the laser lens, and you could try using a cotton swab to gently wipe it off. If that doesn't take care of it, the laser assembly needs to be replaced. This unit cost about $200 or more if I recall, so it might be worth getting a repair estimate. If this were a typical cheap boombox it would be better to replace it.
Many times this comes down to 2 different issues. 1) the laser is dirtier than a CD cleaner can clean it. You will need to open it up and clean the lense using rubbing alcohol or denatured alcohol, I prefer denatured, and a "Q-tip". If this does not do it then you probably need to get the laser adjusted. If you have some expertise in opening and dissassembling equipment then I can walk you through it. If you do not then you are best to take it to a repair shop if the cleaning does not work.
I know that Panasonic provides chips, optics (laser),etc. to Emerson. I am familiar with the problem you've experienced because I've had a Panasonic CD Player. If the disc doesn't spin (as you said), the problem must be that your shelf system probably has an optical problem (laser problem/pickup problem) and will need to be serviced.
i have the same exact problem with mine. what i did was manually pull open the cd deck, stop the disk carousel from spninning by holding it still, then push the deck closed. the cd deck will no longer work, but at least it stops spinning. the auxiliary works fine and so does the radio.
Its a good possibility that the turntable that the cd sits on is pushed down or up from where its suppose to be as if the laser cant focus on the disc the motor wont spin.There could also be a bad spindle motor as these do go bad or the motor driver ic is defective. see if you can somehow see the lens when the disc is inserted if you can see the lens moving up and down it is one of thoses problems I described are the cause, or worse case is a defective laser Pick-up assy. Good luck. good luck