14.2 Cautions to Be Taken During Replacement of
Optical Pickup and Spindle Motor
Before replacing the optical pickup and spindle motor, check a total usage time respectively. Follow the checking method
described below.
14.2.1 Cautions to be taken during replacement of
optical pickup
Optical pickup could be damaged due to the static electricity discharged from human body.
Wear proper protection gear against static electricity during optical pickup and its peripheral repair. (Refer to “Cautions to Be
Taken When HandlingOptical Pickup”.)
• Do not touch laser diode, actuator and their peripherals.
• Do not check laser diode with a tester and such. (The tester will be destroyed.)
• For short-circuiting or removing laser diode, the use of an anti-static soldering iron is recommended. (Recommended model:
HAKKO ESD product)
• Solder the land of the flexible cable in the optical pickup.
Note:
If an anti-static soldering iron is not available, short-circuit the terminal surface of the flexible cable and then the land using a clip
or equivalent device.
Item Status and Key Function Display
Checking DVD, CD laser
usage time
With
the unit stopped and no disc inserted, press
th
e.
button on the player and the
buttonon the remote controller unit.
T1_xxxx_yyyy
xxxx(DVD), yyyy(CD): total time is displayed with a four-digit
nu
mber by the ten hours.
Checking spindle motor
usage time
With
the unit stopped and no disc inserted, press
th
e
button on the player and the
buttonon the remote controller unit.
T2_xxxxx
xxxxx: total time is displayed with a four-digit number by the ten
hours.
Resetting DVD, CD laser
usage time
While the DVD and CD laser usage times are
di
splayed, press the
button on the player and the
button on the remote controller unit.
T1_0000_0000
Resetting spindle motor
usage time
While the spindle motor usage time is displayed,
press the
button on the player and the
buttonon the remote controller unit.
T2_0000