Panasonic SA-HT833VP Service Manual page 27

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.
12.4.3. Check After Adjustment
Replay test discs or other commercial discs in order to confirm that no picture deterioration or sound skipping is detected in the
Fig. 12-1
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SA-HT833VP