Alignment and Adjustments
4-2
Samsung Electronics
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 below.
IBRM = 245
WDRV = 55
CDL
= 255
COL
= 200
5. Turn the SCREEN VR until “MRCR G B” and “MRWDG” are green and those value are about 100.
(The incorrect SCREEN Voltage may result that “MRCR G B” and “MRWDG” should be red)
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 static focus VR fully clockwise
(maximum).
5. Turn the dynamic 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.
STATIC FOCUS VR
DYNAMIC FOCUS VR
H
V
SCREEN
<FBT FOCUS PACK>
