JVC KD-LX50R Service Manual page 14

Adjustment method
Caution : Replacing the pickup
To prevent damage to the laser diode
static electricity destroys the laser diode.
Always take
performing repairs around the laser
pickup.
1.
Do not touch the area around the laser
diode or the actuator.
2.
Do not check the laser diode with a tester
or other device (the laser diode can be
broken quite easily).
3.
Short-circuit the laser pickup
Solder the land in the center of the flexible
cable of the laser diode and help prevent
damage from static electricity.
Caution :
Do not forget to remove the soldered laser diode
short-circuit after finishing repair, and leave the circuit open.
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countermeasure
Caution :
Solder rejection or cuts a pattern with
to nipper at shortstop point after short
circuiting with clip with terminal face of
flexible cable in the static electricity
countermeasure soldering iron application
that is not done.
And the rejection back inserts it in
connector immediately and do not touch
terminal side of connector either.
Recommendation
Soldering iron
HAKKO ESD countermeasures product
Soldering