50
DVR-A03
6.2.5 Wobble SPDL Bias Adjustment
PLAY
None
New 4.7GB DVD-R disc
• Clamp the unrecorded 4.7GB DVD-R disc.
"PL"
(PLAY)
"+9FR"
(Wobble SPDL adjustment command)
"2XN"
(Set the CLV double speed)
"+9FR"
(Wobble SPDL adjustment command)
"RJ"
(REJECT)
"RS"
(RESET)
Player state
Adjustment location
Disc
Objective
Symptom when out of
adjustment
Measurement Instru-
ment connections
[Procedure]
6.2.6 Playback Ability Confirmation
PLAY
None
Recorded DVD-R disc
Recorded CD-R disc
• Clamp the recorded DVD-R disc.
(2) CD System
• Clamp the recorded CD-R disc.
"1DT" (Selects CD-R mode)
"4XN"
(Set the CLV 4th speed)
"PL"
(PLAY)
"+2FR" (TOC information readout, etc.)
Connect the jitter meter to TP125 (RF) and measure the jitter of both total-T edges. Confirm that jitter is less than 12%.
"RJ"
(REJECT)
"RS"
(RESET)
Player state
Adjustment location
Disc
Symptom when out of
adjustment
Measurement Instru-
ment connections
Adjustment standard
value
Connect the total T-jitter meter to TP125
(RF) terminal.
jitter is less than 12%.
Correct the dispersion of spindle motor.
Recording performance becomes poor, and jitter value of self recording/playback becomes outside of standard
specification.
Confirm that the adjustment was done correctly.
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