Samsung CW21M63NS8XXEC Service Manual page 15

Alignment and Adjustments
4-4 Dynamic Focus Adjustment
1. A dynamic focus adjustment should be done
after replacing the CRT PCB, FBT or CRT.
2. Input a crosshatch pattern.
3. Enter " STANDARD " in video mode.
4. Turn the Dynamic focus VR fully clockwise
❶
(maximum).( )
5. Turn the Static focus VR fully
counterclockwise (maximum).( )
6. Slowly turn the static focus VR
counterclockwise. Adjust until the
vertical line in the middle of the screen
has maximum clarity.( )
7. Slowly turn the dynamic focus VR (clockwise)
and adjust the 3rd horizontal line for
maximum clarity.( )
8. Repeat 4-7, if necessary.
4-5 SCREEN Adjustment
1. Input Toshiba Pattern
2. Enter "Service Mode".(Refer to "Service Mode")
3. Select "G2-Adjust".
4. Set the values as example(Refer to page4-24).
ex) IBRM = 220
WDRV = 35
CDL = 220
COLR G B = 150 150 150
4-2
❷
❶
❷
❶
❷
❷
❶
SCREEN
<FBT FOCUS PACK>
STATIC FOCUS VR
H
DYNAMIC FOCUS VR
V
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