Panasonic SA-AK22 Service Manual page 5

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4. Handling Precautions For Traverse Deck

The laser diode in the traverse deck (optical pickup) 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 deck (optical pickup).

- Handling of traverse deck (optical pickup)

1. Do not subject the traverse deck (optical pickup) to static

electricity as it is extremely sensitive to electrical shock.

2. The short land between the No.4(LD) and No.5(GND) pins on the

flexible board (FFC) is shorted with a solder build-up to prevent

damage to the laser diode.To connect to the PC board, be sure to

open by removing the solder build-up, and finish the work quickly.

AM Loop antenna

Antenna Plug Adaptor (EB)