Philips TC7.1U CA Service Manual page 34

EN 34 8. TC7.1U CA
Horizontal geometry adjustment
1. Input a NTSC cross hatch pattern with black and white
background signal.
2. Press key "3" on the RC to enter the Horizontal Geometric
adjustment.
3. Use the RC to adjust one by one, watch the figure until the
center and the vertical line at left and right side of the
picture becomes straight.
Figure 8-2 Horizontal geometry alignment values
Item Description
HSH Horizontal position
PAR Parallelogram
BOW Bow
EWW Horizontal width
EWP Pin cushion correction
UCR Upper corner correction
LCR Low corner correction
EWT Trapezium correction
Alignments
Default Value Remark
46 Adjust if necessary
22 Adjust if necessary
34 Adjust if necessary
44 Adjust if necessary
27 Adjust if necessary
44 Adjust if necessary
48 Adjust if necessary
31 Adjust if necessary