Panasonic DVD-RV22PP Service Manual

6.12.2. Servicing position of the Terminal P.C.B.6.12.3. List of the Extention Cables7. PREVENTION OF STATIC ELECTRICITYDISCHARGEThe laser diode in the traverse unit (optical pickup) may brake down due to static electricity ofclothes or human body. Use due caution to electrostatic breakdown when servicing andhandling the laser diode.7.1. Grounding for electrostatic breakdown preventionSome devices such as the DVD player use the optical pickup (laser diode) and the opticalpickup will be damaged by static electricity in the working environment. Proceed servicingworks under the working environment where grounding works is completed.7.1.1. Worktable grounding1. Put a conductive material (sheet) or iron sheet on the area wherethe optical pickup is placed, and ground the sheet.14