DVJ-X1
108
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Sequence of Starting Up the Drive
Disc installation
Carriage shifted to the focus position
Canceling offset for
FE, TE, AS, PFENV, LNSC, and JIT
Final judgment of CD/DVD by detecting
a sync signal
Light emitted from the CD laser
Light emitted from the CD laser
Spindle starts rotating at 2,000 rpm.
Tracking open
Focus on
Coarse adjustment of focus position
Measuring eccentricity
Tracking on
Start of acquiring addresses
Focus gain adjustment
Focus gain adjustment
Tracking gain adjustment
Tracking gain adjustment
Learning focus-error attenuation
Reading lead-in data:
CD:
If the total duration of data areas in
the TOC is less than 30 minutes
DVD: Depending on control data and disc
capacity
Lens-error gain adjustment
After tracking open,
the spindle starts
rotating at 5,000 rpm.
Tracking balance adjustment
Adjustment of tracking-error amplitude
Off-track threshold adjustment
Tracking close
Accurate adjustment of focus position
Light emitted from the DVD laser
Canceling offset for
FE, TE, AS, PFENV, LNSC, and JIT
Tracking balance adjustment
Adjustment of tracking-error amplitude
Off-track threshold adjustment
Offset adjustment of the tracking actuator
Focus search
After the medium type is judged according
to the disc reflectivity, FE, TE, AS, and
RFENV amplification gains are switched.
Focus search, detection of disc presence,
tentative judgment of medium type by
measuring the distance between the focus
pseudo-S-curve waveform and the actual
S-curve waveform
Unloading
Detection of the 8-cm adaptor
Searching for 30000H
Spindle starts
rotating at 3,100 rpm.
Searching for
0m01s time point
Note:
Install a disc after turning the unit on.
Detection by the Inside switch is
performed only for the first disc.
Disc present
CD
DVD
DVD
CD
CD
CD
DVD
DVD
No
Yes
No disc present
Содержание DVJ-X1 - Professional DVD Turntable
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Страница 52: ...DVJ X1 52 1 2 3 4 1 2 3 4 C D F A B E 3 18 JFLB and JOGB ASSYS O JFLB ASSY DWG1571 O CN3003 SHEET SW G ...
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