This screen will be used mainly for layer jump control.
Confirm the sector information (SI) so as not to mistake layer jump
direction of DVD_DL.
The layer is 0 when SI is even number, or layer is 1 when odd
number.
Wrong jump direction causes OPT failure.
0. AGC: Turn on/off focus error auto gain control on pull-in
level.
1. Pause: Pause is made by executing track jump once per
revolution.
2. FCS.SrchThe focus drive system is checked by applying:0. LD: Turn on/off the laser diode.
same voltage to the focus drive as that in focus1. SP: Turn on/off the spindle.
search.At SP ON, the spindle runs in constant velocity mode.
3. Defect: Turn on/off defect.2. TILT : Turn on/off the tilt servo.
4. Tilt H: Increase tilt gain.3. Focus : Focus searching is executed and focus is turned on.
5. FJ0 n 1 : After layer jump L0 n L1, tracking loop is notOperation is terminated if focus is not turned on after
turned on.focus search is retried about 3 times.
6. FJ1 n 0 : After layer jump L1 n L0, tracking loop is not4. Brake : Turn on/off the tracking brake.
turned on.If turning on the tracking, turn on the brake.
7. LJ0 n 1 : After layer jump L0 n L1, tracking loop is turnedAlso, turn off the brake during tracing.
on.5. Track : Turn on/off the tracking servo.
8. LJ1 n 0 : After layer jump L1 n L0, tracking loop is turned6. Sled : Turn on/off the sled servo.
on.7. CLVS : Spindle rough servo.
8. CLVA : Spindle normal servo.
6-4-5. Manual Control 39. FG: Spindle in constant velocity mode
n.: Move the sled system outside.
Perform this with the tracking turned off.
N.: Move the sled system inside.Manual Control 3
Perform this with the tracking turned off.
.n n: Move the tilt system up.SA.000000SI.00EMG.00
.: Move the tilt system down.
6-4-4. Manual Control 2
0. FWDITJ5. Eject
Manual Control 21. RVSITJ6. Load
2. FWD500TJ7. Door Open
SA.000000SI.00EMG.003. RDS500TJ8. Door Close
4. Home
0. AGCoff5. nFJ0 1
1. Pauseoff6. FJ1 n 0DVD SL12cm
2. FCS. Srchoff7. LJ0 n 1
3. Defectoff8. LJ1 n 0Figure 13
4. Tilt_HoffOn this screen, track jump, etc. are executed.
DVDDL12cm
Figure 12
6-14 |