5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
Text excerpt from page 30 (click to view)
5.2 Handling Precautions for Traverse Unit (Optical Pickup)
TOP PREVIOUS NEXT 1. Do not give a considerable shock to the traverse unit (optical pickup) as it has an extremely highprecise structure. 2. When replacing the optical pickup, install the flexible cable and cut its short land with a nipper. See the optical pickup replacement procedure in this Technical Guide. Before replacing the traverse unit, remove the short pin for preventingstatic electricity and install a new unit. Connect the connector as short times as possible. 3. The flexible cable may be cut off if an excessive force is applied to it. Use caution when handling the cable. 4. The half-fixed resistor for laser power adjustment cannot be adjusted. Do not turn the resistor.