Daewoo DTC-25G1VM, Service Manual

Page: 14 / 40

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TEST SIGNAL SELECTION
E very pressing of AV M IX button changes the test patterns on screen as descriked below.
ITEM Adjustm ent procedure
H orizontal position
adjustm ent
P (P ) : PA L
H .P (N ) : N TS C
Vertical center
adjustm ent
C (P ) : PA L
H .C (N ) : N T S C
1. S et the T V in service m ode and get black
or w hite cross-bar signal w ith video button
rem ote hard unit.
2. S elect either H .P or V.C w ith P R ,
buttons and adjust horizontal or vertical
picture position in the center of screen
w ith volum e , buttons.
Vertical am plitude
adjustm ent
H (P ) : PA L
V.H (N ) : N T SC
1. B lack or w hite cross-hatch
2. H IT V.H
C H AN N E L P R
W idth adjustm ent
R 402 (only PA L)
Pincushion adjustm ent
R 401( only PA L)
1. S et the T V in service m ode and get black
or w hite cross-hatch signal w ith video
button on rem ote hard unit.
2. Turn V R (R 402) of the m ain PC B so that
the first vertical line m ay be placed at
2cm from the edge of left side.
3. Turn E /W VR (R 401) of the m ain P C B
so that the second vertical line of the left
side m ay be straightened.
The first
The first
The second
2cm
1cm
S ignal off PA L signals ( 14 patterns )
N T S C signals ( 14 patterns )