CD player laser test jig - diyAudio
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Old 25th March 2003, 10:33 AM   #1
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Join Date: Dec 2000
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Default CD player laser test jig

Does anyone have a circuit to test the laser's optical output in a CD player. Something like an opaque opto diode with an amplifying stage. While it need not have any absolute measurement value it could be used to compare the output of a good unit with a bad unit.
Thanks.
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Old 25th March 2003, 04:45 PM   #2
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Join Date: Dec 2002
Location: London UK
after a simple search on the web I got to the following :

http://www.cat.ernet.in/lasinfo/d-cd.html
http://www.cat.ernet.in/lasinfo/d-test.html
http://www.cat.ernet.in/lasinfo/d-ps.html
http://www.cat.ernet.in/lasinfo/d-cddiag.html

they might contain what you want..


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