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Laser temperature being adjusted problem


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Hello,help me please.So it constantly heats,the red laser temperature does not go over 24 celsius.On the 133 connector we have 2,5V,on the laser io pcb tp20 there is 0,7V, on the 134 connector is 0,5V.The cable contacts,and fans are ok.What is the problem? :(

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According to the troubleshooting flow chart if P133 has voltage that is above 0V and the R laser is below 31.5oC there is a failure in laser unit itself.

But check all the voltage test points on the laser I/O PCB first before condemning the Laser unit.

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  • 11 years later...

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