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Adjustment Method ©
1)
Adjust VR105
so that the white peak level of the
drop-out is nearly equal to that of the non-drop-out.
Drop out portion
—— B—+A=— B —
"~~ 100 % White
peak
—————-.
Pedestal level
y=
tip level
REC C CURRENT Adjustment
Signal
NTSC Color bar
PRE AMP unit
Measurement equipment
Adjustment Method
1)
Connect
TP102
and TP103
with jumper wire.
2)
Adjust VR182
so that the level is 75+ 5mVp-p.
Measurement point
Adjustment element
Specified value
UNI
tooo itttie 75 + SmVp-p
I
l
Wan
ii
i i=om
Me wae Citas
Mode
Recording 2H mode
PRE AMP unit
Measurement equipment
Adjustment Method
1)
Adjust
VR181
so that
the level is 260 + 10mVp-p.
—
260 + 10mVp-p
|
Measurement point
Adjustment element
Specified value
RECORD AND PLAYBACK LEVEL Checking
Self-recording, Playback 2H mode
vB oUF a
Adjustment Method
1)
Terminate the video output terminal at 75ohms, and
input
color
bar
signal
including
100%
white
to
record and playback. Make sure that the output level
is 1.00 + 0.05Vp-p.
100% White
1.00 + 0.05Vp-p
— 149 —
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