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After replacing the pickup, set the unit in the service mode to display a jitter value on the LCD. Confirm that the jitter value measured with a jitter meter is within 12% of the jitter value displayed on the LCD. If it is within 12%, then adjustment is not necessary. Please note that a jitter value displayed on the LCD is hex data. Refer to the corresponding decimal notation value using the Jitter Conversion Table and confirm it with the measured value. Fix the screws "a", "b" and "c" with screw lock paint.
If the measured jitter value is outside the 12% tolerance range, perform the following adjustments.
c
b
a
Jitter value adjustment procedure (Pickup horizontal level adjustment relative to the DVD recording surface) (For the adjustment tool use a 3 mm wrench and not a screwdriver, this procedure will make the adjustment easier.)
3 mm wrench
(1) Set the unit to the service mode and display a jitter value (hex data) on the LCD. (2) Turn each of the screws a, b and c, by a half-turn per step, in the direction that reduces the jitter value in order to minimize it. (Do not turn a screw more than a half turn at a time, but adjust the screws in the cycle of a � b � c � d � a.) (3) After completing the adjustment, secure the screws with screw lock paint.
(No.MA149)1-21
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