Usually this type of fault is from the laser, or a bad ribbon cable, or the
connection of the ribbon cable is bad. The laser is not feasible to change,
and would require specialized tools and setup to calibrate.

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JANA
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"Michael Fiedler" wrote in message
...
I am trying to fix my wife's portable CD player (again). It
is a Sony D-ES51 and it comes up with the error "no disk" and it
doesn't play. I replaced the flex circuit a year ago to repair
another problem, so I am not sure what is causing this error unless
the reader and/or motor has gone bad. Any idea? Thanks for any help.