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Adjustment
Measurement
point
point
Tangential
adjustment
screw
Tilt
adjustment
screw
Measuring equipment
None (Main unit display
for servicing is used.)
11.3.1.1. ADJUSTMENT PROCEDURE
1. While pressing PAUSE and OPEN/CLOSE buttons on the main
unit, press "5" on the remote control unit.
2. Confirm that "J_xxx_yyy_zz" is shown on the front display.
For your information:
"yyy" and "zz" shown to the right have nothing to do with the jitter value. "yyy" is the error
counter, while "zz" is the focus drive value.
Note:
Jitter value appears on the front display.
3. Play test disc T01 (inner periphery).
4. Adjust tangential adjustment screw so that the jitter value is
minimized.
5. Play test disc T43 (outer periphery).
6. Adjust tilt adjustment screw 1 so that the jitter value is minimized.
7. Play test disc T43 (outer periphery).
8. Adjust tilt adjustment screw 2 so that the jitter value is minimized.
9. Repeat adjusting tilt adjustment screws 1 and 2 alternately until
the jitter value is minimized.
11.3.1.2. IMPORTANT POINTS
1. Make tangential adjustment first and then make tilt adjustment.
2. Repeat adjusting two or three times to find the optimum point.
Mode
Disc
T01 (inner
DVDR-S15
periphery)
or DVDT-
play
S01
T43 (outer
periphery)
play
Adjustment value
Adjust to the minimum
jitter value.
50
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