Samsung TXM2756X/XAA Service Manual page 22

Alignment and Adjustments
4-3-9 RF AGC Adjustment
Set the AGC data to 33 (Factory Mode).
4-3-10 Sub-Color Adjustment
PSR
20
Set data to
NSR
3
4-3-11 Geometry Adjustment
SC →VS→VA→VSL→HS
1. Input a lion head pattern.
2. Set the SC (S-Correction) as 35 and VS(Vertical
Shift) 31 so that the lion head circle becomes
oval.
3. Adjust with VA (Vertical Amplitude) so that
the top margin of the picture is 4.
4. Adjust with VSL (Vertical-Slope) so that the
bottom margin of the picture is 4.
5. Adjust with HS (Horizontal Shift) so that the
lion-head pattern and CRT centers are aligned.
4-8
(Factory Mode).
4
Fig. 4-7
4
Fig. 4-8
5
6. Adjust HS (Horizontal Shift) so that the left
and right margins of the picture are 5.
5
Fig. 4-9
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