Sony DXC-637 - Alignment: Before Adjustment Procedures; Color Bar Signal Adjustment; Sensitivity Adjustment; Gamma and Gradation Measurement

IT
3-2. BEFORE ADJUSTMENT 3-2-2. Sensitivity Adjustment
Note:
;
Object:
Overall
white
1.
Before
adjustment,
connect
the
equipments
referring
to
_
Light:
~3200K,
2000
lux
“3-1-2.
Connection”.
(If
the
pattern
box
is
used,
set
the
AUTO
mode)
_ Before 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,
B
and
MG)
are
inside
the
“ER”
mark.
Object:
Grayscale
chart
Light:
Pattern
box
Henne)
erent
Equipment:
Waveform
monitor
Burst
Spot
75
%
Preparation:
1.
OUTPUT
switch/camera
side
—
CAM
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.
If
the
specifications
are
not
met,
carry
out
“3-4.
ENCORDER
6042
vy
Br
es
a0
ay
SYSTEM
ADJUSTMENT”.
f-
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)