Cautions To Be Taken During Replacement Of Optical Pickup And Spindle Motor; Cautions To Be Taken During Replacement Of Optical Pickup - Panasonic SC-TM72DV Service Manual

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.
Item
Checking DVD, CD laser
usage time
Checking spindle motor
usage time
Resetting DVD, CD laser
usage time
Resetting spindle motor
usage time
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.
Status and Key Function
With the unit stopped and no disc inserted, press
the.
button on the player and the
buttonon the remote controller unit.
With the unit stopped and no disc inserted, press
the
button on the player and the
buttonon the remote controller unit.
While the DVD and CD laser usage times are
displayed, press the
button on the player and the
button on the remote controller unit.
While the spindle motor usage time is displayed,
press the
button on the player and the
buttonon the remote controller unit.
Display
T1_xxxx_yyyy
xxxx(DVD), yyyy(CD): total time is displayed with a four-digit
number by the ten hours.
T2_xxxxx
xxxxx: total time is displayed with a four-digit number by the ten
hours.
T1_0000_0000
T2_0000