Daewoo DTQ-20D5FSN Service Manual page 10

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.
IF CONTROL
AUTO RFAGC START
VIDEOL
RFAGCD
FM.LEV
AGC POINT
A/D VALUE : 8DH
MOVE ADJUST RECALL : SET
· 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.
NORMAL BLACK
· Using the volume up or down button, select internal cross pattern.
· Select service adjustment S6
· You can see the OSD as shown in below.
GEOMETRY
H. PHASE 20
V. POSI 29
V. SIZE 70
NO SD POWER OFF YES
V SC 0
V LIN 20
MOVE ADJUST RECALL : SET
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.
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7
10
15
3.75
WHITE100 WHITE60
9
ALIGNMENT INSTRUCTIONS
CROSS