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MZ-N505
5. The display changes a shown below each time the
[MENU/ENTER] key .
However in the power mode (item number 700’s), only the
item is displayed.
6. Quit the manual mode, and press the
x key to return to the
test mode (display check mode).
OVERALL ADJUSTMENT MODE
Mode to adjust the servo automatically in all items.
Normally, automatic adjustment is executed in this mode at the
repair.
For further information, refer to “SECTION 5 ELECTRICAL
ADJUSTMENTS” (see page 19).
SELF-DIAGNOSIS RESULT DISPLAY MODE
This set uses the self-diagnostic function system in which if an
error occurred during the recording or playing, the mechanism
control block and the power supply control block in the micro-
computer detect it and record its cause as history in the nonvola-
tile memory.
By checking this history in the test mode, you can analyze a fault
and determine its location.
Total recording time is recorded as a guideline of how long the
optical pickup has been used, and by comparing it with the total
recording time at the time when an error occurred in the self-
diagnosis result display mode, you can determine when the error
occurred.
Clear both self-diagnosis history data and total recording time, if
the optical pickup was replaced.
• Self-Diagnosis Result Display Mode Setting Method
1. Set the test mode (see page 13).
2. In the display check mode, [MENU/ENTER] key activates the
self-diagnosis result display mode where the LCD display as
shown below.
3. Then, each time the
> key is pressed, LCD display descends
by one as shown below. Also, the LCD display ascends by one
when the . key is pressed.
If the [MENU/ENTER] key is pressed with this display, the LCD
switches to the simple display mode.
4. Quit the self-diagnosis result display mode, and press the x key
to return to the test mode (display check mode).
011 C68S1B
• Address & Adjusted Value Display
Set LCD display
item number address adjusted value
011 0FEJ1B
• Jitter Value & Adjusted Value Display
Set LCD display
item number jitter value adjusted value
011 063B1B
• Block Error Value & Adjusted Value Display
Set LCD display
item number
block error
value
adjusted value
011 081A1B
• ADIP Error Value & Adjusted Value Display
Set LCD display
item number
ADIP error
value
adjusted value
011 000F1B
• Focus Drive Value & Adjusted Value Display
Set LCD display
item number Focus
drive value
adjusted value
011 LrefPw
• Item Title Display
Set LCD display
item number item title
0XX 1 0000
Set LCD display
error display code history code Total recording time
when error occurred
0XX 1 ****
0XX N ****
0XX N1****
0XX N2****
0XX R_****
1
1
XX
: Error code
****
: Total recording time