Samsung CS25M6HN8X/BWT, Service Manual

Page: 16 / 71

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 example(Refer to page4-17).
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
(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.
STATIC FOCUS VR
DYNAMIC FOCUS VR
H
V
SCREEN
<FBT FOCUS PACK>
❷
❶
❷
❶
❷
❶
❷
❶
ex) IBRM = 220
WDRV = 35
CDL
= 220
COLR G B = 150 150 150