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IT
3-2.
BEFORE ADJUSTMENT
3-2-2.
Sensitivity Adjustment
_
B e f o r e
adjustment, Turn on POWER switch and allow for
Preparation:
:
patos warm-up
time
1.
Adjust the zoom control at "TELE" so that the white pattern
:
frame matches the underscanned picture frame on the
screen.
3-2-1.
Color Bar Signal
5
-Leneiie=s ES
3.
OUTPUT switch/camera side
- CAM
Equipment:
Vectorscope, Waveform monitor
4.
WHITE BAL switch/camera side
— PRESET
Preparation: OUTPUT switch/camera side -> BARS
Equipment:
Waveform monitor
Specification:
Specification: 100 + 10 IRE (for NTSC)
700 + 70 mV (for PAL)
[for NTSC]
[for PAL]
[for NTSC]
[for PAL]
Y Level 100 IRE
Y Level 700 mV
100 +10
IRE
Fi
=.
A
\
SYNC Level
Note: If the specification is not met, perform all adjustments
ie Love
300 mV
in "3-5, VIDEO PROCESS SYSTEN ADJUSTMENT"
—40 IRE
'
:
e Chroma Level
3-2-3.
Gamma and Gradation Measurement
Confirm that the beam spots of each color (R, YL, G, CY, G,
Burst Spot 75 %
Rive
2.
WHITE BAL switch/camera side — PRESET
3.
Chart frame = Underscanned monitor frame
4.
Adjust the lens iris so that the white level at grayscale
waveform is 100 IRE (PAL: 700 mV).
Specification: Cross point Level = 60 + 2 IRE (for NTSC)
400 + 10 mV (for PAL)
{for NTSC]
[for PAL]
Cross Point Level
Cross Point Level
Note:
Partial difference between scale and signal level is caused by
photographic error.
Note:
Partial difference between scale and signal level is caused by
photographic error.
If the specifications are not met, carry out all adjustments in "3-
5. VIDEO PROCESS SYSTEN ADJUSTMENT".
DXC-637 (UC)
3-4
DXC-637P (EK)
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