Sharp SX68JS10 Service Manual page 13

HORIZONTAL/VERTICAL CIRCUIT ADJUSTMENT
NO. Adjustment part
Adjust the overscan to 8.5% ± 0.5%. (E-5)
1 V-AMPLITUDE 50
V-LINEARITY 50Hz Adjust the linearity to the best.
V-SCORRECTION 50Hz Already preset (**). (Adjust this unless the linear-
ity is achieved.)
V-RHASE(50) Align the center of the screen to the geometric
(V-CENTER) center of CRT. (E-5)
H-RHASE(50) Align the center of the screen to the geometric
(H-CENTER) center of CRT. (E-5)
Adjust the overscan to 8.5% ± 0.5%. (E-5)
H-SIZE
E/W-PARABOLA Adjust the 1st vertical line from the left and right
(SIDE-PIN) ends of the crosshatch to be straight. (E-2)
V-BIAS Already preset.
V-∫CORRECTION Already preset.
EW-CORNER Adjust the end of the line of the crosshatch to be
(SUB-SIDEPIN) straight.
TRAPEZIUM Already preset. (Adjust if the quality is specially
poor.)
V-COMPENSATION Already preset. (Adjust if the quality is specially
poor.)
H-COMPENSATION Already preset. (Adjust if the quality is specially
poor.)
OTHER
On the items of V-AMPLITUDE60, V-LINEARITY60,
V-SCORRECTION60, V-RHASE60, H-RHASE60
and H-SIZE60, the compensation data is automati-
cally input if the 50Hz mode adjustment is
done.
1 Receive E-5CH (crosshatch pattern).
2
Focus adjust-
2 With the remote controller, make the image
ment
3 Adjust the focus VR to make the vertical line of
Adjusting procedure and conditions
normal.
"5" in "E-5" display upper left part of screen as
fine as possible.
The receiving channel in ( ) are the
following signals.
(E-2): Crosshatch (50Hz)
(E-5): Monoscope (50Hz)
However, if it is largely deviated when
it is checked in the 60Hz mode,
readjust it in the 60Hz mode.
13
SX68JS10
Waveform and others
This vertical line make
as fine as possible.