Sync./Shading Board
Setting-up
Note: Sync./Shading board must be adjusted in combination with Video Processor 1 Board.
1.Put Sync./Shading Board on a service extender.
2.Put Video Processor 1 Board on a service extender and remove jumpers 7, 9, 11, 13, 17 and 19 from connector B of the service extender to interrupt the input from the front and jumpers 6, 12 and 15 to interrupt the black shading correction.
3.Short circuit the input to video processor 1 by connecting the following jumpers on connector B of the service
extender: | B7 to B9, B11 to B13, | B17 to B19 |
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4. Recall Factory Standard File on MCP or OCP and close iris. On MCP set: |
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OPERATE MENU | Knee | : | Off |
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| Contour | : | Off |
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| Gamma sel. | : | Lin. |
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| Blk. Str. | : | Off |
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| Filter | : | Cap |
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| Auto Iris | : | Off |
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SETUP 1 MENU | Flare | : | Off |
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| White clip | : | Off |
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| Sawtooth | : | Off |
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SETUP 2 MENU | Soft cont. | : | Off |
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SETUP 3 MENU | Skin cont. | : | Off |
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SETUP 4 MENU | Asp.Ratio | : | 4:3 |
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SETUP 5 MENU | Matrix sel | : | 1:1 |
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MAINT. 1 MENU | Wh. shading | : | Off | and User level : | 4 | |
Black Shading Correction
1.Carry out this adjustment in an ambient temperature of 20°C / 25°C.
2.On Sync./Shading Board set the DC potentiometers ZR265(R), ZR465(G) and ZR665(B) fully clockwise.
3.On Sync./Shading Board set the Edge potentiometers ZR237(R), ZR437(G) and ZR637(B) fully counterclockwise.
4.On Sync./Shading Board set the Pulse Comp. potentiometers ZR266(R), ZR466(G) and ZR666(B) fully counterclockwise.
5.On Sync./Shading Board set Horizontal Sawtooth potentiometers ZR236(R), ZR436(G) and ZR636(B) in their midposition.
6.On Sync./Shading Board adjust the horizontal sawtooth potentiometers for no sawtooth information (measure on Video Processor 1 Board).
Measure at:
VP1
Adjust with:
Sync./Shad.
ZR263 (R)
ZR463 (G)
ZR663 (B)
Required result:
minimum
horizontal
spike
information
7. Adjust video level equal to blanking DC level.
Measure at: | Adjust with: | Required result: |
VP1 | VP1 |
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ZR211 (R) |
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ZR411 (G) |
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ZR611 (B) |
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Correct:
Adjustments | Technical Manual LDK 20(S) - Studio Camera |
