Technicolor - Thomson LDK 20(S) technical manual Edge clip level, Edge gain correction

Sync./Shading Board

Edge clip level

16. Set edge clip level potentiometers in their mid-position.

Measure at:

VF out R

VF out G

VF out B

Adjust with:

ZR237

ZR437

ZR637

Required result:

Mid-position

Mid-position

Mid-position

Edge gain correction
17.	On MCP set:
	OPERATE MENU
	Gain	:	++
	Exposure	:	Nom.
18.	Adjust the parabola correction potentiometers.

Measure at:

VF out R

VF out G

VF out B

Adjust with:

ZR239

ZR439

ZR639

Required result:

Flat shading signal

19. Adjust the edge gain vertical sawtooth potentiometers for a flat vertical shading signal.

Measure at:

VF out R

VF out G

VF out B

Adjust with:

ZR238

ZR438

ZR638

Required result:

Flat vertical

shading signal

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:

VF out R

VF out G

VF out B

Adjust with:

ZR236

ZR436

ZR636

Required result:

Flat horizontal

shading signal

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:

VF out R

VF out G

VF out B

Adjust with:

ZR263

ZR463

ZR663

Required result:

Flat horizontal

shading signal

Adjustments Technical Manual LDK 20(S) - Studio Camera 4-31