Question about Sony DAV-C900 System
It will still play CD but when I try a DVD (that has worked before) it will make sounds like it is starting to read but then you can hear head seeking and then it reports "NO DISK" on the display and the TV will show "Insert Disk".
If a CD is in one of the other slots, it will start playing the CD instead of the DVD that was inserted.
If you are good at repairs.dismantle the Disk drive unit carefully from the main carriage and if the Optical lens reading unit has got a drive P C B ,then desolder the PCB so that you have only the CD mechanism on your table,with a Digital Multimeter check the Ohmic values of both the Spindle motor and Sled motor. the resistance should read between 4.5 ohms and 8ohms any value beyond this means that the drive signal voltage is not enough to move /rotate the disc and optical-pickup in syncronisation.you can get the drive-motors replaced,or replace the CDM assly available off the shelf.
this should solve the problem.hundreds SONY DVD players are running with this remedy.
Posted on Dec 02, 2008
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Posted on Jan 02, 2017
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