Geometry Table; Screen Adjustment - Sharp 21LF-90N Service Manual

Table of Contents

Advertisement

AK - 44
CHASSIS

14.3.2.1 Geometry Table

Register
VSIZ
VPO S
VSCO
VCCO
HSIZ
HPO S
HPIN
HCCO
HTRP
VZSZ
14.3.2.2 Geometry Adjustments
VSIX (Vertical Size)
Adjust the Vertical Size so that 8% over-scan is achieved.
The effect of this adjustment is shown in figure 9.
Use the CURSOR LEFT (32) / RIGHT (3) buttons to change the data.
See figure 5.
VPOS (Vertical Position)
Adjust the Vertical Position so that the picture is centred.
The effect of this adjustment is shown in figure 10.
Use the CURSOR LEFT (32) / RIGHT (3) buttons to change the data.
See figure 5.
HPOS (Horizontal Position)
Adjust the Horizontal Position so that the picture is centred.
The effect of this adjustment is shown in figure 11.
Use the CURSOR LEFT (32) / RIGHT (3) buttons to change the data.
See figure
.

14.3.3 Screen Adjustment

Press the YELLOW button (13) in order to prepare the system for screen-adjustments (Vertical Scan disable).
Adjust horizontal line, via screen potentiometer, as thin as possible. To return to the Main Service Menu it should
be pressed the Menu button (30).
Param eter
Vertical Size
Vertical Position
Not used
Not used
Not used
Horizontal Position
Not used
Not used
Not used
Not used
5.
Default Values
A51EFS13X191
A51ELD032X001
4:3
16:9
4:3
35
62
24
11
16
12
14
14
14
7
7
10
9
30
33
33
40
19
15
27
0
0
10
10
3
2
26
16:9
50
16
14
7
7
11
39
15
0
0
3
10
7
2
Figure 9
Figure 10
Figure 11

Advertisement

Table of Contents
loading

Table of Contents