Abgleich / Alignment
M 2106
2 - 4
LOEWE.-Service
7.
Line
Sharpness
8.
Vertical
position of
the picture
(Vertical
Shift)
8.1
Vertical
Amplitude
8.2
Vertical
Linearity
8.3
Horizontal
position of
the picture
(Horizontal
Shift)
Colour video generator:
Feed in a convergency test pattern.
Contrast:
maximum
Set the screen brightness so that the black background
of the test pattern just starts to brighten.
Colour video generator:
Feed in a geometry test pattern.
Call up the "Vertical Shift" menu via "TV-menu" –> "Set-
tings" –> "Special functions" –> "Service" –> Service Code
"8640" –> "GEOMETRIE" –> "OK".
Call up the menu "Vertical Amplitude".
Call up the menu "Vertical Linearit.".
Call up the menu "Horizontal Shift".
With focus control U
F
adjust the vertical lines approx. 5cm
from the right and left picture edge to minimum horizontal
width.
The sharpness in the middle must not seem to be worse
than the sharpness at the edges. If necessary, take an
average.
Adjust according to the test pattern using button
1
or
2
.
Set the vertical amplitude using button
1
or
2
.
Adjust according to the test pattern using button
1
or
2
.
Adjust according to the test pattern using button
1
or
2
.
Go back to the "Service" menu with "M" and terminate the
dialog line "End" "with mem" –> "OK".
Alignment
Preparations
Alignment Process