Sony PDW-HD1550, Service Manual, Page: 51 / 276

1-15. Cautions on Handling the Optical Block Assembly
When handling the optical block assembly, perform grounding as described below to prevent electrostatic breakdown.
Grounding human body
Be sure to wear a grounded wrist strap (10
8
ohms or less) to discharge static electricity charged in the human body.
Note
Since static electricity charged in clothes is not discharged from the wrist strap, keep your clothes away from the optical
block assembly.
Grounding the workbench
Be sure to put the optical block assembly on a grounded earth mat (10
9
ohms or less recommended) or a copper plate.
Ground wrist strap
Optical block assembly
Earth mat
Precautions
• The optical block assembly has been precisely adjusted. Do not give impact to it due to fall or careless handling.
• Do not touch the objective lens.
• When handling the optical block assembly, hold the slide base (die-casting part). If a part of human body or another
object directly touches the circuit on the printed circuit board, it may deteriorate.
• The actuator has a strong magnet. If a magnetic substance comes close to it, the characteristics change. Contacting
a metal part such as a screwdriver with the actuator may damage the objective lens. Do not bring a magnetic
substance close to the optical block assembly.
• Be careful so that any foreign matter does not enter the clearance of the actuator cover.
PDW-HD1550
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