Panasonic PT-47WX42CF, Руководство по обслуживанию

Страница: 33 / 104

- 33 -
Service Manual
Horizontal and vertical size check
1. Apply a pattern that permits to check that
horizontal and vertical proportion of the image is
correct.
2. Confirm that horizontal and vertical center of the
picture is located in the center of the screen. 3. Check that the image is proportional horizontally
and vertically, proportion is different on every
aspect.
Convergence alignment template
The convergence alignment template is a grid
approximately the size of the viewing screen used to
ensure the proper size and shape of the alignment
rasters. It is 6 blocks across by 6 blocks high. The grid
dimensions vary with the mode of operation.
Apply a convergence alignment template to the
viewing screen of the PTV. Make sure the center lines
are properly aligned. If a template is not available, one
can be created by following the instructions below.
Create a
convergence alignment template by
drawing a pattern, as in figure 59, in the actual
dimensions on transparent film or tracing paper. Start
with the Horizontal and Vertical Center Axis and work
outwards until the pattern is complete. Pay attention to
the actual dimensions of the pattern.
Grid dimensions:
47” Models: 1036mm horizontal X 584mm vertical.
Note: A convergence alignment template, part
number TXFQD01ESER1 for 47”, is available
through Matsushita/Panasonic Services.
Panasonic
FORMAT
Figure 58. H & V size check
Note: 1080i, 480p, 480i
pattern obtained from
Panasonic’s TU-DST51
set-top
box DTV
decoder.
1
1
1
2 2 3
2
3
3
3
2
1
Center
Center
Figure 59. Convergence adjustment grid