User Guide

8
DN-D9000
Required Measuring Implement
1. Reference disc (TCD784 or CO-74176)
1. What is Service Program
Service program is a special program intended for confirming servo functions etc.
CONFIRMING THE SERVO
2. Contents of Service Program
Switch on the power while pushing the CD1’s PITCH BEND + button and CD2’s α CUE button at the same time. After
actuating the servo program, select an aiming process number with the SELECT knob, A1 button, A2 button, or A3 button.
Press the SELECT knob to execute the selected process, the process number is then displayed on the track indicator of the
display. To exit from the service program, just switch off the power.
Process No.
(TRACK
Indication)
Function
(Character-display)
Contents
01
Pcom Version check
(Version No.)
Check Version with JOG dial.
1. System Pcom version No.: “Sys_XXXX”
2. DSP soft version No.: “Dsp_XXXX”
3. ATAPI Pcom version No.: “Atapi_XXXX”
4. RC Pcom version No.: “Rc_XXXX”
5. ROM drive mecha. Pcom version No.: “Drive_XXXX”
02
OPEN/CLOSE
(Open Close)
Performs open/close each time when the SELECT knob is pushed.
03
Drive Diagnostic
(Drive_Diag)
ROM drive performs operation check when the SELECT knob is pushed, and
indicates the operational result. If the disc holder open, it starts the operation check
after closing. It indicates “Normal_End” if it ends normal. In case of error, ROM
drive error code is displayed in the character’s lower portion as “E”.
04
Drive Data Read
(Data Read)
Starts continuous playback at its maximum reading speed from the beginning of
disc when the SELECT knob is pushed. It halts reading and stops if the knob is
pushed again.
05
Error Code Check
(Error Data)
Turn the JOG dial to display the logging error codes in the occurred order.
(“Error Data” is displayed.)
10 error logs are memorized at maximum.
Kinds of Error Code, displayed
Error Code Table (Appears only at Heat Run and Chucking Test function)
Pressing SELECT knob enters to data erase mode. (“Err Clear?” is displayed.)
If the SELECT knob is pushed again, the memorized error data are cleared.
06
Total Running Time
(Total_Time)
Total time span of servo function that counted by the hour is displayed.
(“Total Time” is displayed.)
The display time is less than 65535 hours.
Note: No time is counted if powered down within 59 minutes.
Pressing SELECT knob enters to data erase mode. (“Time Clear?” is displayed.)
If the SELECT knob is pushed again, the memorized time data are cleared.
SELECT knob
07
Automatic
Servo Adjustment
call
Starts automatic servo adjustment when the SELECT knob is pushed, and after
completing the adjustment, sort of the used disc is indicated. Data is selectable with
the JOG dial.
1. Disc check, CD/CD-RW
2. Focus gain data
3. Focus balance data
4. Focus offset data
5. Tracking gain data
6. Tracking balance data
7. Tracking offset data
8. PreAMP Tracking Sensor Gain
9. DSP Tracking Sensor Gain
10. PI offset