Lista Linearity Adjustment And Waving Measurement - Panasonic DVCPRO HD AJ-HDC27VP Service Manual

4-33. LISTA Linearity Adjustment and Waving Measurement

SPEC. Linearity: less than 3um, Waving: less than 1.5um
TEST POINT ATF
TRG
GND
VTR MODE PLAY
ADJ. MODE
ADJUST S1 and T1 Post Height
TOOL VFK1149 or VFK1149A (Post Driver)
TAPE VFM3581KM or VFM3581KL (LISTA)
Linearity Adjustment Procedures
1. Connect the each clips of LISTA cable to test points.
2. Set the adjustment mode. (Refer to [LISTA Adjustment Modes] on the "Table of Test Point".)
3. Playback the LISTA Alignment Tape.
4. Select the item "<2> Linearity Measurement" on the LISTA main menu, and then linearity waveform appears on
the screen.
5. When the waveform as shown below is displayed on the screen, press the "BS (Back Space)" key to move the
waveform at the center of the scale on screen. Adjust S1 and T1 post height by using the post driver so that the
linearity waveform becomes as flat as possible, and it should be within the specification.
¨ Adjust linearity, to have waveform in between the red dot lines on the screen.
ATF ERR L13: TP601
ATF ERR L24: TP602
R/P-FSW L13: TP113
R/P-HSW L24: TP114
TG300
MECH-29
Adjust linearity
into this area