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Pre-Processor Board
Gain Adjustment
1. Recall Factory Standard File on MCP or OCP.
On MCP set:
OPERATE MENU
Knee
Auto Iris
Matrix sel.
SETUP 1 MENU
Wh. Limiter
Gamma
SETUP 4 MENU
Asp. ratio
2. Set the lighting conditions for 100% video output as follows:
Colour temp.
Illumination
Lens aperture
Scene reflection
(2000 Lux with 90% reflectance is 573 cd/m
3. Open the right side cover of the camera.
4. Remove adjustment hatch on right side of front module of the camera.
5. Place Video Miscellaneous Board on a service extender
6. Open Iris at the lens to obtain 700mV at X17A point 19 of Video Miscellaneous Board (Green)
Measure at:
Adjust with:
Vid.Misc.
Pre-Proc.
X17A-23 (B)
ZR522
X17A-27 (R)
ZR122
7. Replace adjustment hatch on right side of front module of the camera.
8. Return Video Miscellaneous Board to its position in the camera.
9. Close camera right side cover.
10. Recall Factory Standard File on MCP or OCP.
Adjustments
:
Off
:
Off
:
1:1
:
Off
:
Lin.
:
4:3
:
3200K
:
2000lux
:
F8
:
Reference white 90% (Minolta reference white tile)
2
)
Required result:
700mV
700mV
Technical Manual LDK 20(S) - Studio Camera
Correct:
Incorrect:
4-57
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