Panasonic PT-53X54J Service Manual page 76

18.4. 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.
18.5. 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. Apply a convergence alignment template to the viewingscreen 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 the
figure, in the actualdimensions 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.
Template dimensions:
- 53": 1173.3mm horizontal x 660mm vertical.
Single grid dimension:
HORIZONTAL VERTICAL
189.22 mm 94.29 mm
NOTE:
A convergence alignment template, part number TXFQD01FSER is available through Matsushita/
Panasonic Services
Convergence template.
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