Sony EVO-720P - Page 230

(Narrow noise pitch on entrance side (upper screen))
(See Fig. 7-84.)
Confirm that the RF waveforms are flat in the
PLAYBACK mode,
Waveform is not flat:
Perform height adjustment of No.2 guide and No.3
guide according to. 7-4-3, Entrance Side. Adjustment,
Waveform is fiat:
Confirm again by performing No.1 guide height and
No.2 guide zenith adjustment according to 7-4-3.
Entrance Side Adjustment.
a<b<c<d
Screen:
Fig. 7-84.
(Narrow noise pitch on exit side (lower screen))
(See Fig.7-85.)
Set to the PLAYBACK mode and perform height
adjustment of No.4.guide and No.5 guide according
to 7-4-4. Exit Side Adjustment.
abe b—tec
maa
L AAAM
LMM |
Ee
a>b>co>d
Screen
Fig. 7-85.
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