Technicolor - Thomson STUDIO CAMERA LDK 20(S) - Manual (Page 57)

Adjustments Technical Manual LDK 20(S) - Studio Camera 4-31
Sync./Shading Board
Edge clip level
16. Set edge clip level potentiometers in their mid-position.
Measure at: Adjust with: Required result:
VF out R ZR237 Mid-position
VF out G ZR437 Mid-position
VF out B ZR637 Mid-position
Edge gain correction
17. On MCP set:
OPERATE MENU
Gain
: ++
Exposure : Nom.
18. Adjust the parabola correction potentiometers.
Measure at: Adjust with: Required result:
VF out R ZR239 Flat shading signal
VF out G ZR439
VF out B ZR639
19. Adjust the edge gain vertical sawtooth potentiometers for a flat vertical shading signal.
Measure at: Adjust with: Required result:
VF out R ZR238 Flat vertical
VF out G ZR438 shading signal
VF out B ZR638
20. Repeat steps 29. to 33. until the best result is obtained.
Hor. sawtooth correction (Nom. Exp.)
21. On Sync./Shading Board adjust the horizontal sawtooth potentiometer for no sawtooth information (Exp.
Nom.).
Measure at: Adjust with: Required result:
VF out R ZR236 Flat horizontal
VF out G ZR436 shading signal
VF out B ZR636
Hor. sawtooth correction (1/1000 Exp.)
22. Set exposure to 1/1000.
23. On Sync./Shading Board adjust the horizontal sawtooth potentiometer for no sawtooth information
(Exp. 1/1000).
Measure at: Adjust with: Required result:
VF out R ZR263 Flat horizontal
VF out G ZR463 shading signal
VF out B ZR663