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In Reply to: RE: No sound from CD player posted by Capt. Z on May 17, 2017 at 10:55:32
The most common problems are around the CD failing to spin. *the motor typically will not be able to start the CD spinning from a particular spot.
Sometime manually starting the CD it will work.
Sometime it is a failure of the laser. This can be the actual laser or the electronics powering it. Even a simple capacitor may be all that is wrong.
Have you tried other CDs?
One other possible thing is the spindle level has been changed by accident.
Like two CDs in the tray, or a CD not placed correctly.
Anyway, the Cd rests of a plastic gizmo which in many players is a FRICTION fit to the motor spindle.
If it is out of spec, (too high or too low) no play. IF the Cd spins. note is it rubbing?
Also the CD will spin maybe twenty revolutions and if the laser is failing to read, the CD will stop turning.
This may be either the laser is not working, or it cannot read the menu on the CD.
Another thing may be DIRT on the laser lens so big the laser just cannot read anything right.
I have the cover off, CD is spinning normal, Display is showing normal CD running action
You may have a button which mutes or turns off the audio if the digital output is used?
Or a volume control which is 100% off?
Sometimes a remote control for volume can go crazy, and constantly turn off something, like the volume?
Does it have a headphone out? if the headphone out mechanical contact (in the socket) is broken, it may cause the regular sound out to have no sound.
If the player is actually reading off the disc like it is playing I would be way more confident the player can be fixed.
Ordinary sound circuits away from the digital section are way easy to check
If you have it open. I would (with it turned off!!) pull off the small milti pin connectors one at a time and put it back in place. CD players ALWAYS have several of them. White or black thin multipin like three to eight pins.. connectors from one area to another on the circuit boards. Pull each off and just put it back. Sometimes they lose contact inside.
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