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3-5-9.
DCC Adjustment
Object:
Grayscale chart
Equipment:
Waveform monitor
e GAIN switch/camera side — 0 dB
e WHITE BAL switch/camera side
> PRESET
e@ OUTPUT switch/camera side
- CAM/DCC ON
Adjustment Procedure
1.
To be extended:
EN-122 board
2.
Chart frame = Underscanned monitor frame
3.
Test point:
VIDEO OUT
Adjusting point: Lens iris
Specification:
A = 102%) IRE (for NTSC)
715*° mV (for PAL)
4.
Test point:
VIDEO OUT
Adjusting point: @RV9 (DCC LEVEL)/EN-122 board
Specification:
B = 100 +) IRE (for NTSC)
700 43° mV (for PAL)
GAIN switch/camera side > MID (9 dB)
6.
Test point:
VIDEO OUT
Adjusting point: @RV8 (DCC CLIP)/EN-122 board
Specification:
C = 92+ 1 IRE (for NTSC)
645 + 10 mV (for PAL)
DXC-637 (UC)
DXC-637P (EK)
3-13
To be extended: PR-209 board
GAIN switch/camera side > 0 dB
Open the lens iris by 3.5 steps.
0. Alternately readjust the following adjusting controls so
that the carrier leakage level of step 1 is minimum.
= 2 ON
@RV1 (B PRE SLOPE)/DUS-841 board
@RV2 (R PRE SLOPE)/DUS-841 board
Carrier Leagage
11.
12.
OUTPUT switch/camera side > CAM/DCC OFF
Test point:
VIDEO OUT
Adjusting point: Lens iris
Specification:
Cross point Level "D"
= 100 + 1 IRE (for NTSC)
700 + 10 mV (for PAL)
Confirm that Cross point Level "D" is 93 + 2 IRE (for PAL:
650 + 10 mV) when OUTPUT switch/camera side is set to
CAM/DCC ON.
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