Panasonic SA-HT441WP, Service Manual

Page: 27 / 121

9.2.3. Service Mode Table 3
Timer 1 check
Cancelled automatically
5 seconds later.
Cancelled automatically
5 seconds later.
Cancelled automatically
5 seconds later.
Cancelled automatically
5 seconds later.
Timer 1 reset
Timer 2 check
Timer 2 reset
In STOP (no disc)
mode, press STOP button
on the player, and " "
button on the remote
control unit.
While displaying Timer 1
data, press STOP button
on the player, and " "
button on the remote
control unit.
In STOP (no disc)
mode, press STOP button
on the player, and " "
button on the remote
control unit.
While displaying Timer 2
data, press STOP button on
the player, and " " button
on the remote control unit.
Timer 1 check
Laser operation timer is measured
separately for DVD laser and CD laser.
Press "FL Display" button for next
page of FL Display
Press "FL Display" button for next
page of FL Display
Press "FL Display" button for next
page of FL Display
Press "FL Display" button for next
page of FL Display
Timer 1 reset
Laser operation timer of both DVD
laser and CD laser is reset all at once.
Timer 2 check
Spindle motor operation timer
Timer 2 reset
Spindle motor operation timer
Shown to the left is DVD laser time, and to
the right CD laser time.
Time is shown in 4 digits of decimal notation
in a unit of 10 hours.
"0000" will follow "9999".
Time is shown in 5 digits of decimal notation in
a unit of 10 hours.
"00000" will follow "99999".
FL Display
Key Operation
Front Key
Item
Description
Mode Name
Shown to the left is DVD laser time, and to
the right is CD laser time.
It will clear to "0000" upon reset.
Time is shown in 5 digits of decimal notation in
a unit of 10 hours.
It will be cleared to "00000" upon activating
this.
9.2.4. Optical Pick-up Self-Diagnosis
The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use
the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing
the optical pickup when "NO DISC" is displayed. As a guideline, you should replace the optical pickup when the value of the laser
drive current is more than 55.
Note:
Press the power button to turn on the power, and check the value within three minutes before the unit warms up. (Otherwise,
the result will be incorrect.)
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SA-HT441WP