Location Of Controls - Panasonic SJ-MJ75 Service Manual

3. Location of Controls

4. Handling Precautions for Traverse Deck
(Mechanism Unit)
The laser diode in the mechanism unit (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 mechanism unit (optical
pickup).
4.1. Mechainsm Unit (optical pickup)
1. Do not subject the mechanism unit (optical pickup) to static electricity as it is
extremely sensitive to electrical shock.
2. Before removing the mechanism unit (optical pickup), the short land on the
flexible board is shorted with a solder build-up to prevent damage to the laser
diode. (As shown in Fig.1.)
3. It is a posibility to disconnect if it applies over pressures to the flexible
P.C.B., as take care of handling the flexible P.C.B..
Fig.1
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