Pioneer PD-J900M Service Manual page 24

/PD - J900M
3. Tracking Error Balance Adjustment
@ Objective
To correct for the variation in the sensitivity of the tracking photodiode.
ass filter.
@ Adjustment location |VR102(TRK. BAL)
[Settings] 50mV/division
5 ms/division
DC mode
[Procedure]
When there is a DC When there is no DC
component component
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