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9
3.6.
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 of
clothes or human body.
So, be careful of electrostatic breakdown during repair of the traverse unit (optical pick-up).
So, be careful of electrostatic breakdown during repair of the traverse unit (optical pick-up).
3.7.
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.
Repair in the working environment that is grounded.
3.7.1.
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 the
sheet.
3.7.2.
Human body grounding
• Use the anti-static wrist strap to discharge the static electricity from your body.
3.8.
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.
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).
4. Do not turn the variable resistor (laser power adjustment).
It has already been adjusted.
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