- If a warped disc is used, adjustment would result incorrectly, and
other discs could not be used.
15.1.4. Optical Adjustment (Optical Pickup Tilt Adjustment)
Measurement point Adjustment point Mode Disc
Tangential adjustment
screw / Tilt adjustment
screw
T1 (inner track) replay /
T43 (outer track) replay
DVDT-S15 or
Measuring equipment Adjustment value
None (LCD display of the player is used.) Adjust that jitter value becomes minimum.
15.1.4.1. Adjustment Procedure
1. While the player is stopped and no disc is inserted, select the
DVD function. Press and hold down the button on the player and
the number button, “5” on theremote 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. Replay T01 (inner track) of the test disc.
4. Adjust till the jitter value becomes minimum, using a tangential
adjustment screw. <Fig. 15-1>
5. Replay T43 (outer track) of the test disc.
6. Adjust till the jitter value becomes minimum, using a tilt
adjustment screw 1. <Fig. 15-1>
7. Replay T43 (outer track ) of the test disc.
8. Adjust till the jitter value becomes minimum, using a tilt
adjustment screw 2.<Fig. 15-1>
9. Adjust till the jitter value becomes, using the tilt adjustment
screws 1 and 2 alternatively.
Fig. 15-1
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