Panasonic SA-PTX7, Service Manual

Page: 52 / 213

10.2.4. Service Mode Table 4
FL Display
Key Operation
Front Key
Item
Jitter check
Description
Mode Name
Press [POWER] button to
exit.
In STOP (no disc) mode,
press [STOP] button on the
main unit, and [5] button on
the remote control unit.
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 2.
Jitter rate is shown in decimal notation to
one place of decimal.
Focus drive value is shown in hexadecimal
notation.
(Display 1)
(Display 2)
Press [FL Display] on
remote control unit for next
page (FL Display).
EEPROM
Checksum
(If applicable,
refer below.)
(Display 1)
Micro-
processor
firmware
version display
& EEPROM
checksum
display.
Cancelled automatically
5 seconds later.
In STOP (no disc)
mode, press [STOP]
button on the main unit,
and [7] button on the
remote control unit. Micro-processor firmware version
display & EEPROM checksum display.
EEPROM checksum is only available
due to existence of EEPROM IC.
Jitter rate
Lead
Error
Counter Focus
Drive
Value
Jitter check
mode
Error code
check
Cancelled automatically
5 seconds later.
To exit, press [POWER]
button on main unit or
remote control.
In STOP (no disc) mode,
press [STOP] button on the
main unit, and [0] button on
the remote control unit. * With
pointing of cursor up and
down on display.
Error code check
The latest error code stored in the
EEPROM IC is displayed.
Note: Refer to "Section 10.7 DVD Self
Diagnostic Function-Error Code" for
more detailed information on the error
codes.
U / H / F
(Error Type)
Error Code
Error code (play_err) is expressed in the
following convention.
Error code = 0 x DAXX is expressed:
DVDnn U12
Error code = 0 x DBXX is expressed: DVDnn H12
Error code = 0 x DXXX is expressed: DVDnn F123
Error code = 0 x 0000 is expressed: DVDnn F---
* "xx" denotes the error code
Cancelled automatically
5 seconds later.
Region code display, TV broadcasting
system & the model no. information.
Note: Refer to Figure 2 for "Video
Design Information".
Region display
In STOP (no disc)
mode, press [STOP]
button on the main unit,
and [6] button on the
remote control unit.
Region No.: 0-8
N: no PAL / P: PAL
N: NTSC / 6: PAL60
Model
No.
Information
52
SA-PTX7P