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CIRCUIT OPERATIONAL DESCRIPTION
6. STRACK signal
IC01(#19)
7. SMOTOR signal
IC01(#15)
8. FO+ signal
CN04(#21)
9. TR+ signal
CN04(#23)
¥ If the Tracking Servo is running in a normal condition,
the STRACK signal shows the appropriate offset and
amplitude.
¥ To spin the Spindle in the right direction, operate it in the drive IC at an
appropriate level.
¥ To maintain the Focus Servo, transmit the appropriate
value to the PICK-UP.
¥ To maintain the Tracking Servo, transmit the
appropriate value to the PICK-UP.
10. PI signal
IA01(#38)
¥ When the Servo is locked, the PI signal maintains
the appropriate level.
Содержание DDT-21H9ZDF(21")
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