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3-6-40
LISTA Linearity Confirmation and Waving Measurement (50M Mode)
Specification
Linearity is less than 3um, Waving is less than 1.5um.
Mode
SERVO Adjustment Menu:" A06 RP LINEAR ED"
Test Point
(1) ATF:TP732 (2) HSW:TP722(RP HSW) (not TP723(PB HSW) (3) GND:TG510
Adjustment
S1 and T1 Post Height
Tape
VFM3581KM or VFM3581KL
1. Open the Service Menu and select " A06 RP LINEAR ED" in the " SERVO ADJUST"
2. Playback a LISTA alignment Tape (VFM3581KM).
3. Select " (2) Linearity Measurement" then Linearity waveform is appeared.
4. When the following waveform is appeared press " BS" (Back Space) key to centering the waveform. Adjust S1
and T1 Post Height so that the Linearity waveform is flat. Confirm the ENV waveform is flat.
Red dot lines shows the specification, so linearity waveform should be in the lines.
After the Linearity Adjustment measure the waving.
Adjustment Value
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