Panasonic DMP-B500EB Service Manual

Contents

Panasonic DMP-B500EB Service Manual Manual pdf 9 page image

93.5. Static Electricity Protection Measures• The laser diode in the traverse unit (optical pick-up) may break down due to potential difference caused by static electricity ofclothes or human body.So, be careful of electrostatic breakdown during repair of the traverse unit (optical pick-up).3.6. Ground for electrostatic breakdown prevention• As for parts that use optical pick-up (laser diode), the optical pick-up is destroyed by the static electricity of the working environ-ment.Repair in the working environment that is grounded.3.6.1. Work table grounding• Put a conductive material (sheet) or steel sheet on the area where the traverse unit (optical pick-up) is placed, and ground thesheet.3.6.2. Human body grounding• Use the anti-static wrist strap to discharge the static electricity from your body.3.7. Handling of Traverse unit (optical pick-up)1. Do not subject the traverse unit (optical pick-up) to hard shock as it is high precision mechanism.2. Install the traverse unit, and then remove the short pin to discharge.Connect the connector in a short time.3. Take care not to apply excessive stress to the flexible cable.4. Do not turn the variable resistor (laser power adjustment).It has already been adjusted.