Sony EVO-720P - Checking after Adjustment

Seah iieron aillier Gaananneean
4-5, Checking after Adjustment
Tracking check
Play back .the alignment tape (WR5-1C) for
tracking,
Set the SEL switch of the track shift jig to ON,
and turn the track shift knob, until the RF
waveform amplitude becomes 2,/3. (See Fig. 7-
80.)
Confirm that the RF waveform amplitude
minimum value (EMIN) at this time is more than
759 of maximum value (Emax). (See Fig. 7-81.)
Confirm that the fluctuation amount of both RF
waveform entrance and exit sides’ is as shown
in Fig, 7-82,
Set the SEL switch of the track shift jig to OFF.
Set to the REV mode and confirm that the
waveform noise pitches are uniform, If not, adjust
as follows, (See Fig. 7-83.)
Fig. 7-81.
—307—
c
Fluctuation hs A Fluctuation
t A
a SN
BsI/8A
Csal/8A
Fig. 7-82.
Screen
Fig. 7-83.