Gut, sehr gut! It helps me much! I couldn't find this schema nowhere. Good quality
Text excerpt from page 2 (click to view)
Precaution to replace Optical block
Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in the right figure.
