Daewoo DTQ-14U1FS/20U1FS, Service Manual, Page: 10 / 42

9
2) FOCUS ADJUSTMENT
• Turn in a local station and adjust the Focus Control knob (located on FBT) for best picture
details at high light condition.
3) RF AGC DELAY ADJUSTMENT (S5)
•
Receive a good local channel.
• Enter the service mode and select service adjustment S5.
• You can see the OSD as shown in below.
• Select RFAGCD item, press the volume up or down button until noise or beat in picture disappears.
• Press the DISPLAY button to memorize the data.
4) GEOMETRIC ADJUSTMENTS (S6)
•
Enter the service mode and select service adjustment S7.
• Whenever you select the “S7” using the volume up or down button, the screen is changing like this.
•
Using the volume up or down button, select internal cross pattern.
• Select service adjustment S6
• You can see the OSD as shown in below.
4-1. Horizontal Position Adjustment
• Select H.PHASE item, adjust H.PHASE data value to obtain proper horizontal centering of the
internal cross pattern at the left and right of the screen.
4-2. Vertical Position Adjustment
•
Select V.POSI item, adjust V.POSI data value to center the raster properly on thescreen.
ALIGNMENT INSTRUCTIONS
IF CONTROL
AUTO RFAGC START
VIDEOL 7
RFAGCD 10
FM.LEV 8
AGC POINT 3.75
A/D VALUE : 8DH
¡ ã ¡ å
MOVE
¢ ¸ ¢ º
ADJUST RECALL : SET
GEOMETRY
H. PHASE 20
V. POSI
29
V. SIZE 70
NO SD POWER OFF YES
V SC
0
V LIN 20
¡ã ¡å
MOVE
¢¸ ¢ º
ADJUST RECALL : SET
NORMAL BLACK WHITE100 WHITE60 CROSS