SHARP 72FF57E Repair Manual

72FF-57E
81FF-57E
4- 4- 4- 4- 4- PIN AMPLITUDE
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.
Fig. 5
d) Adjust the PIN AMPLITUDE to obtain condition as in (fig. 5).
5- 5- 5- 5- 5- UPPER CORNER CORRECTION
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 barrel
shape to pincushion.Fig. 6
d) Adjust the UPPER CORNER CORRECTION to obtain condition as in (fig.
6).
6- 6- 6- 6- 6- LOWER CORNER CORRECTION
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 barrel
shape to pincushion.
d) Adjust the LOWER CORNER CORRECTION to obtain condition as in (fig. 7).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.
Fig. 8
d) Adjust the vertical symmetry to obtain symmetry scanning between upper and
lower picture (fig. 8).
8- 8- 8- 8- 8- VERTICAL ANGLE
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, vertical angle changes to right.
c) When volume-down button is pressed, vertical angle changes to left.
d) Adjust the VERTICAL ANGLE to obtain condition as in (fig. 9).Fig. 9
9- 9- 9- 9- 9- VERTICAL BOW
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, vertical bow changes to right.
c) When volume-down button is pressed, vertical bow changes to left.
d) Adjust the VERTICAL ANGLE to obtain condition as in (fig. 10).
Fig. 10
10- 10- 10- 10- 10- 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. 11).
Fig. 11
12- 12- 12- 12- 12- S-CORRECTION
a) Internal pattern signal will be displayed.
b) When volume-up button is pressed, upper and lower scanning decreases, and
center scanning increases.
c) When volume-down button is pressed, upper and lower scanning increases,
and center scanning decreases.
d) Adjust the S-CORRECTION to obtain a balance between upper, lower and
center (fig. 12).
6Fig. 12