Join Date: Jun 2007
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I have managed to fix mine. the clicking noise was coming from the CD lens rail and trolley. when the lens is returned in its start position, the motor that moves the lens should stop. there is a micro-switch which is pushed by the lens trolley. if this micro-switch or its connector is faulty the motor continues to pull the lens trolley that will reach the end of the rail and jumps over the rail thread making that clicking noise. If left unfixed the rail thread will get eroded and the lens trolley will be unable to move rendering the CD unit unusable.
One can check with a multimeter the continuity between the CD board and the micro-switch, or the micro-switch itself.
My fix was to take the CD unit apart from the CD player and clean the connector between the electronic board and the micro-switch. No clicking noise anymore.
Hope this fix will work for other people as well.