Philips L01.1L AC Service Manual page 30

EN 70 8. L01.1L AC
• East West Width (EWW)
Align the picture width until the complete test pattern is
visible.
• East West Parabola (EWP)
Align straight vertical lines at the sides of the screen.
• Upper Corner Parabola (UCP)
Align straight vertical lines in the upper corners of the
screen.
• Lower Corner Parabola (LCP)
Align straight vertical lines in the lower corners of the
screen.
• East West Trapezium (EWT)
Align straight vertical lines in the middle of the screen.
HOR IZONTAL >
VERTICAL >
VSL
VAM
VSC
VSR
VX
Figure 8-8 Horizontal alignment menu
Vertical:
• Vertical slope (VSL)
Align the vertical center of the picture to the vertical center
of the CRT. This is the first of the vertical alignments to
perform. for an easy alignment, set SBL to ON.
• Vertical Amplitude (VAM)
Align the vertical amplitude so that the complete test
pattern is visible.
• Vertical S-Correction (VSC)
Align the vertical linearity, meaning that vertical intervals of
a grid pattern must be equal over the entire screen height.
• Vertical Shift (VSH)
Align the vertical centering so that the test pattern is
located vertically in the middle. Repeat the 'vertical
amplitude' alignment if necessary.
• Vertical Zoom (VX)
The vertical zoom is added in for the purpose of
development. It helps the designer to set a proper values
for the movie expand or movie(16x9) compress. Default
value is 25.
In the table below, you will find the GEOMETRY default values
for the different sets.
Alignments
S
XX
XX
XX
XX
XX
SBL XX
CL 26532046_007.eps
Table 8-3 Default geometry values
HP Hor. Parallelogram
HB Hor. Bow
HSH Hor. S hift
EWW East West Width
EWP East West Parabola
UCP Upper Corner Parabola
LCP Lower Corner Parabola
EWT East West Trapezium
VSL Vert. Slope
VAM Vert. Amplitude
VSC Vert. S -correction
VSH Vert. S hift
VX Vert. Zoom
040402
8.3.5 Audio
AF-M
A2T
Figure 8-9 Audio alignment menu
No alignments are needed for the audio sub menu. Use the
given default values.
Note: "AUDIO" sub menu will be for Stereo dBx set only.
AF-M
Default value is 300
A2T
TV A2 Threshold
Default value is 25
31 31 31 31
31 31 31 31
38 38 38 38
38 38 38 38
33 33 33 33
33 33 33 33
35 35 35 35
35 35 35 35
35 35 35 35
35 35 35 35
35 35 35 35
30 30 30 30
15 15 15 15
S
XX
XX
CL 26532046_008.eps
040402