Panasonic SA-HT535E, Service Manual

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13.2. Cautions to Be Taken During Replacement of Optical Pickup and
Spindle Motor
Before replacing the optical pickup and spindle motor, check the total usage time respectively. Follow the checking method
described as below.
Item Status and Key Function Display
Checking DVD, CD laser usage time With the unit stopped and no disc inserted,
press the.
button on the player and the
button on the remote controller unit.
T1_xxxx_yyyy
xxxx(DVD), yyyy(CD): total time is displayed with a
four-digit number by the ten hours.
Checking spindle motor usage time With the unit stopped and no disc inserted,
press the
button on the player and the
button on the remote controller unit.
T2_xxxx
xxxx: 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
displayed, 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 button on the remote controller unit.
T2_0000
13.2.1. 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 Handling Optical 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.
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SA-HT535E / SA-HT535EG