Self Diagnostic - Panasonic SA-XH201GW Service Manual

9.3.

Self Diagnostic

By pressing various button combinations on the main unit and remote control unit, you can activate the various service modes for
checking.
Special Note:
• Due to the limitations of the no. characters that can be shown on the FL Display, the "FL Display" button on the remote control
unit can be used to show the two display pages. (Display 1 / Display 2).
• Refer to Section 6.1 for the section on "Remote Control Key Buttons Operations".
9.3.1. Self Diagnostic Table 1 (For DVD)
Item
Mode Name
Error code Error code check
check The latest error code stored in the
EEPROM IC is displayed.
Note: Refer to "(Section 9.4) Error
Code" for more detailed information on
the error codes.
Jitter check Jitter check.
Jitter rate is measured and displayed.
Measurement is repeatedly done in
the cycle of one second. Read error
counter starts from zero upon mode
setting.
When target block data failed to be
read out, the counter advances by one
increment. When the failure is caused
by minor error, it may be corrected
when retried to enable successful
reading.
In this case, the counter advances by
one. When the error persists even
after retry, the counter may jump by
two or more.
FL Display sequence:
Display 1
Initial setting of Initial setting of laser drive current.
laser drive
current
Description
2.
FL Display
F / H / U
Error code (play_err) is expressed in the
following convention.
Error code = 0 x DAXX is expressed:
Error code = 0 x DBXX is expressed:
Error code = 0 x DXXX is expressed:
Error code = 0 x 0000 is expressed:
* "xx" denotes the error code
(Display 1)
Jitter check
mode
Jitter rate is shown in decimal notation to one
place of decimal.
Focus drive value is shown in hexadecimal
notation.
(Display 2)
Lead
Error
Counter
Laser current
measurement
mode
The value denotes the current in decimal
notation.
30
Key Operation
Front Key
In STOP (no disc) mode,
press [OPEN/CLOSE]
button on the main unit,
and [0] button on the
remote control unit.
*With pointing of cursor up
and down on display.
DVDnn U12
To exit, press [
DVDnn H12
main unit or remote control.
DVDnn F123
DVDnn F---
In STOP (with disc inside
tray) mode, press
[OPEN/CLOSE] button on
the main unit, and [5]
button on the remote
control unit.
Jitter rate
Press [
Press [FL Display] on
remote control unit for next
page (FL Display).
Focus Drive
Value
In STOP (no disc) mode,
press [OPEN/CLOSE]
button on the main unit,
and [PAUSE] button on the
remote control unit.
To exit, press
[OPEN/CLOSE] button on
the main unit and
[CANCEL] button on the
remote control unit.
/ ] on
/ ] to exit.