A) Internal Pattern Signal Will Be Displayed - Sharp 70GF-63E Service Manual

70GF-63E
1− 1− 1− HORIZONTAL SHIFT 1− 1−

a) Internal pattern signal will be displayed.

b) When volume-up button is pressed, picture moves to the left.
c) When volume-down button is pressed, picture moves to the right.
d) Adjust the horizontal location to obtain picture centering (fig. 2).
2− 2− E-W WIDTH 2− 2− 2−
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, horizontal scanning increases.
c) When volume-down button is pressed, horizontal scanning decreases.
d) Adjust the horizontal amplitude to obtain 9% overscan (fig. 3).
3− 3− PIN PHASE 3− 3−
3−
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, slide pincushion changes.
c) When volume-down button is pressed, slide pincushion changes.
d) Adjust the PIN PHASE to obtain condition as in (fig. 4).
4− 4− 4− 4− PIN AMPLITUDE
4−
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, slide pincushion changes from
pincushion to barrel shape.
c) When volume-down button is pressed, slide pincushion changes from
pincushion to barrel shape.
d) Adjust the PIN AMPLITUDE to obtain condition as in (fig. 5).
5− 5− 5− 5− 5− CORNER AMPLITUD
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, slide pincushion changes from
pincushion to barrel shape.
c) When volume-down button is pressed, slide pincushion changes from
pincushion to barrel shape.
d) Adjust the CORNER AMPLITUD to obtain condition as in (fig. 6).
6− 6− CORNER SYMMETRY 6− 6−
6−
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, slide pincushion changes from pincushion
to barrel shape.
c) When volume-down button is pressed, slide pincushion changes from
pincushion to barrel shape.
d) Adjust the CORNER SYMMETRY to obtain condition as in (fig. 7).
7− 7− 7−
7− 7− VERTICAL LINEARITY
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, upper picture scanning decreases and
lower picture scanning increase.
c) When volume-down button is pressed, upper picture scanning increases and
lower picture scanning decrease.
d) Adjust the vertical symmetry to obtain symmetry scanning between upper and
lower picture (fig. 8).
8− 8− 8− 8− 8− VERTICAL AMPLITUDE
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, vertical size of picture increases.
c) When volume-down button is pressed, vertical size of picture decreases.
d) Adjust the vertical size to obtain overscan (fig. 9).
6
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9