Panasonic SA-HT440P, Руководство по обслуживанию

Страница: 18 / 183

Player buttons Remote control unit
buttons
Application Note
STOP 0 Error code display (Refer to
section,
Self Diagnostic
Function
Code”).
5
Jitter checking
(Refer to
section “
Service Mode
Table 1”
information).
6
Region display and mode
(Refer to
section “
Service Mode
Table 1”
information).
7 Micro-processor firmware version check
FUNCTIONS DVD laser drive current check (Refer to
section “
Optical Pick
Self-Diagnosis
3 CD laser drive current check
PAUSE Writing o0f laser drive current value after
replacement of optical pickup (Do use this
function only when optical pickup is replaced.)
Initialization of the player (factory setting is
restored.)
Used after replacement of micro-computer,
FLASH ROM IC, EEPROM.
(Refer to
section “
Service Mode
Table 1”
information).
8 DVD HDMI Module firmware version check
ENTER
DVD Module Reset.
9.2. Service Mode Table 1
By pressing various button combinations on the player and remote control unit can activate the
various service modes for checking.
Special Note:
Due to the limitations of the no. characters that can be shown on FL Display, the “FL Display”
button on the remote control unit is used to show the following page. (Display 1/Display 2).
9.2.1. 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.)
18