5.13.3. List of the Extention Cables
6. PREVENTION OF STATIC ELECTRICITY DISCHARGE
The laser diode in the traverse unit (optical pickup) may brake down due to static electricity of
clothes or human body. Use due caution to electrostatic breakdown when servicing and handling the
laser diode.
6.1. Grounding for electrostatic breakdown prevention
Some devices such as the DVD player use the optical pickup (laser diode) and the optical pickup will
be damaged by static electricity in the working environment. Proceed servicing works under the
working environment where grounding works is completed.
6.1.1. Worktable grounding
1. Put a conductive material (sheet) or iron sheet on the area where the
optical pickup is placed, and ground the sheet.
6.1.2. Human body grounding
1. Use the anti-static wrist strap to discharge the static electricity form
your body.
6.1.3. Handling of optical pickup
1. To keep the good quality of the optical pickup maintenance parts
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Страница 11: ...5 2 Caseing Parts and P C B Positions 5 3 Top Cover 1 Unscrew the screws 7 ...
Страница 16: ...5 11 Scart P C B 1 Remove the connector 5 12 Mother P C B 1 Unscrew the screws 12 ...
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Страница 25: ...8 4 Servo Process Display Mode 8 5 ADSC Internal Ram Data Display 21 ...
Страница 28: ...9 2 Terminal P C B 1 Unscrew the screws 2 Remove the solders 3 Remove the connectors 24 ...
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