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Tilt adjustment screw
Measuring equipment
None (LCD display of the player is used.)
12.4.1 Optical Adjustment (Optical Pickup Tilt Adjustment)
1.
While the player is stopped and no disc is inserted, select the DVD function. Press and hold down the
the player and the number button, "5" on the remote controller unit.
2.
Check that "J_xxx_yyy_zz" is appearing on the display.
For your information:
The values, "yyy" and "zz" are not associated to jitter value.
"yyy" indicates the frequency of error occurrence.
"zz" indicates the focus drive value.
Note:
Jitter value appears on the display.
3.
Play test disc T30 (central periphery).
4.
Adjust till the jitter value becomes minimum, using a tangential adjustment screw. (Fig. 12-1)
5.
Play test disc T30 (central periphery).
6.
Adjust till the jitter value becomes minimum, using a tilt adjustment screw 1. (Fig. 12-1)
7.
Play test disc T30 (central periphery).
8.
Adjust till the jitter value becomes minimum, using a tilt adjustment screw 2.(Fig. 12-1)
9.
Adjust till the jitter value becomes, using the tilt adjustment screws 1 and 2 alternatively.
10.
Finally please reproduce T01 (inner priphery) and T43 (outer periphery) and check the jitter value. (Please
readjust, when the jitter value is extremely different.)
12.4.2 Tips
1.
Apply the tangential adjustment first and then the tilt adjustment.
2.
Repeat the adjustment a couple of times to find the optimum point.
3.
Complete with the tilt adjustment.
T30 (central periphery) play
T43 (outer track) play
Adjustment value
Adjust that jitter value becomes minimum.
Fig. 12-1
DVDT-S15 or DVDT-S01
button on
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