9.8.1. Precautions in optical pickup replacementThe optical pickup can be damaged by static electricity from your body. Be sure to take static electricity countermeasureswhen working around the optical pickup. (Refer to the related page in this Manual about the countermeasures.)1. Do not touch laser diode, actuator and their peripheries.2. Do not use tester to check laser diode. (Laser diode can be damaged easily.)3. The use of soldering iron with anti-static feature is recommended when providing short-circuit to laser diode or when removingit.4. Solder the land on flexible cable of optical pickup unit.Caution•••• When using the soldering iron without anti-static feature, short-circuit the flexible cable terminal with a clip before short-circuiting the land.•••• After intended repair is finished, remove the solder for short-circuit of laser diode in a correct way following theprocedures described in this Manual.25DVD-S35E / DVD-S35EB / DVD-S35EG / DVD-S31EG