Panasonic SA-AK22 Service Manual page 6

3. Take care not to apply excessive stress to the flexible board
(FFC).
4. Do not turn the variable resistor (laser power adjustment). It has
already been adjusted.
- Grounding for electrostatic breakdown prevention
1. Human body grounding
Use the anti-static wrist strap to discharge the static electricity
from your body.
2. Work table grounding
Put a conductive material (sheet) or steel sheet on the area
where the traverse deck (optical pickup) is placed, and ground
the sheet.
Caution :
The static electricity of your clothes will not be grounded through
the wrist strap. So, take care not to let your clothes touch the
traverse deck (optical pickup).
Caution when Replacing the Traverse Deck :