Grundig Chassis 12.5 Serviceanleitung Seite 16

Abgleich / Alignment
Alignment
7. Geometry Feed in a geometry test pattern.
Start the Service Mode; call up menu 2 (green button).
7.1 Horizontal Select "H.POS" with button
position
7.2 Vertical Select "V.POS" with button
position
7.3 Vertical size Select "V.HEI" with button
7.4 Vertical Select "LNRTY" with button
linearity
7.5 S-correction Select "S.COR" with button
8. White balance Colour video generator: Feed in a grey scale with burst.
Contrast:
Colour contrast:
Screen brightness:
Start the Service Mode; call up menu 3 (yellow button).
8.1 For sets with Select "G.CUT" with button
21" or 22"
Philips CRT Select "R.CUT" with button
Select "B.CUT" with button
Select "R.DRV" with button
Select "B.DRV" with button
8.2 For all other sets Select "G.CUT" with button
Select "R.CUT" with button
Select "B.CUT" with button
Select "R.DRV" with button
Select "B.DRV" with button
2 - 4
Preparations
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mid-position
mid-position
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Alignment Process
Adjust according to the test pattern using button
Adjust according to the test pattern using button
Adjust according to the test pattern using button
Adjust according to the test pattern using button
Adjust according to the test pattern using button
With button or set the value to "20".
With button or set the value to "20".
With button or set the value to "20".
With button or set the values so that white part of the
picture becomes achromatic. Change the "G.CUT" value a
few unit if white balance could not be adjusted.
With button or set the value to "128".
With button or set the value to "128".
With button or set the value to "121".
the black part of the picture should be achromatic.
If not change the values for "R.CUT" and "B.CUT".
With button or set the values so that white part of the
picture becomes achromatic. Change the "G.CUT" value a
few unit if white balance could not be adjusted.
Chassis 12.5
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GRUNDIG Service