Sharp LC-28HM2U Service Manual page 28

LC-28HM2
AN-28SP2
Adjusting point
4 NTSC CONTRAST
adjustment
5 NTSC R DRIVE
adjustment
6 NTSC B DRIVE
adjustment
7 NTSC COLOR
adjustment
Adjusting conditions
1. Feed the color bar signal
carrying NTSC composite
100% white and 0% white
(pedestal black).
1. Feed the color bar signal
carrying NTSC composite
100% white and 0% white
(pedestal black).
1. Feed the color bar signal
carrying NTSC composite
100% white and 0% white
(pedestal black).
1. Feed the color bar signal
carrying NTSC composite
100% white and 0% white
(pedestal black).
28
Adjusting procedure
1. Adjust (P2L6) C N358 CONTRAST, so that the 100%
white portion has the largest green area.
The portion referred to here
1. Adjust (P2L7) C N358 R DRIVE, so that the 100%
white portion has the largest red area.
The portion referred to here
1. Adjust (P2L8) C N358 B DRIVE, so that the 100%
white portion has the largest blue area.
The portion referred to here
1. Adjust (P2L9) C N358 COLOR, so that the 100%
blue portion has the largest blue area.
The portion
referred to here