Posted by davy on 07/11/07 01:23

Sounds like the laser's or optical block is kaputt.... try cleaning the
laser lens first 'might' help.

Don't forget the light has to go through the lens twice.... once from
the laser diode, then the modulated beam is reflected back again through
the lens onto the sensor.

Seen it many times where a faulty DVD laser (optical block as they are
called) will play a audio cd but not a DVD, it's usually the laser diode
that goes low emission when this happens. You do get faults with the
focusing unit, spindle and sled motor motor that drives the block.....
If a clean won't work it's a dustbin job today.

Davy

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