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: Screen Voltage Adjustment
Test Point
: RK (Red Cathode of CPT Board)
Adjust
: Screen Control of FBT
NOTE: To enter SVC mode, press "OK" buttons on both TV
set and the Remote control at the same time.
1) Tune the TV set to receive a digital pattern.
2) Press MIX button on remote controller for Service to get
into the Screen Adjust Mode.
3) Adhere the Color Analyzer on the White window of CPT
face.
4) Adjust Screen Volume of FBT so that the luminance of
White window is 6.5!0.5ft/L.
SCREEN ADJUST MODE
Fig. 2 SVC MODE for SCREEN Adjust
: Focus Adjustment
NOTE: This adjustment should be performed after warming
up for 10 minutes.
Test Point
: Observing Display
Adjust
: Focus control of FBT
1) Tune the TV set to receive a digital pattern.
2) Adjust the lower Focus control of FBT for the best focus of
vertical line B.
3) Adjust the upper Focus control of FBT for the best focus of
area A.
4) Repeat above step 2) and 3) for the best overall focus.
A
White window OSD
Fig. 3
b
: Deflection Data Adjustment (Line SVC-1)
1. Preparation for Deflection Adjustment
1) At SVC mode, press the Yellow colored button.
If the Remote Controller doesn't have the Yellow button,
use the button under the Channel Down(PR
And then, deflection data adjustment OSD (SVC1 mode)
will be displayed.
2) Press Channel UP/DOWN button for desirous function
Adjustment.
3) Press Volume UP/DOWN button to adjust the data.
VL--(Vertical Linearity)
Adjust so that the boundary line between upper and lower half is
in accord with geometric horizontal center of the CPT.
VA--(Vertical Height)
Adjust so that the circle of a digital circle pattern may be located
within the effective screen of the CPT.
SC--(Vertical "S" correction)
Adjust so that all distance between each horizontal lines are to
be the same.
VS--(Vertical Shift)
Adjust so that the horizontal center line of a digital circle pattern
is in accord with geometric horizontal center of the CPT.
HS--(Horizontal Shift)
Adjust so that the vertical center line of a digital circle pattern is
in accord with geometric vertical center of the CPT.
EW--(Horizontal Width)
Adjust to that a digital circle pattern looks like exact circle.
EC--(East-west Parabola)
Adjust so that middle portion of the outermost left and right
vertical line looks like parallel with vertical lines of the CPT.
CRNU & CRNL
Adjust so that the vertical line at every 4 corners of the screen
looks like parallel with the vertical lines of the CPT.
B
ET--(East-west Trapezium)
Adjust to make the length of top horizontal line same with it of the
bottom horizontal line.
- 2 -
E) button.
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