Blue Defocus Adjsutment - Hitachi C43-FL9000 Service Manual

SERVICE ADJUSTMENTS
2.15 BLUE DEFOCUS ADJUSTMENT
Preparation for adjustment
(1) Optical and electrical focus adjustment should be completed.
(2) The convergence adjustment should be completed.
(3) VIDEO control should be set Factory Preset condition.
Contrast: max.
Other items: center
Adjustment procedure
(1) Input cross-hatch signal to VIDEO or RF input.
(2) Turn the B FOCUS VR fully clockwise.
(3) Adjust sticking out level of blue as the spec of below table with turning the FOCUS VR counterclockwise.
BLUE DEFOCUS
CHASSIS
SCREEN SIZE
STICKKING OUT
Note: The view point should be limited to the center of the screen for this adjustment. (FOB 0.0)
DP6M
43"
1.5
S ticking out of blue
60
52"
1.5~2.0
UNIT
INCH
mm