Sharp 66CS03H Service Manual page 45

Service Mode adjustments:
AGC TAKE OVER POINT
1 . Receive colour bar signal (signal strength: 57dB/uV+/-1dB), the frequency
should be chosen in the center of tuner band.
2. Press power button. The TV will performe an automatic adjustment.
3. To exit service mode turn off by main switch button on tv.
IF PLL ADJUSTMENT
1 . Receive colour bar signal, CH69(855.25 MHz).
2. Press POWER button in remote control. The TV will perfom an automatic
adjustment.
3. Turn off by main switch to exit from service mode.
GEOMETRY ADJUSTMENT PROCEDURE:
The procedure for making adjustments to Vertical Corrections is as follows:
-Adjust VERT. SLOPE.
-Adjust S CORRECTION.
-Adjust VERT. SHIFT.
-Adjust VERT. AMPLITUDE.
The procedure for making adjustments to Horizontal Corrections is as follows:
-Set E-W WIDTH to minimum.
-Adjust HORIZONTAL SHIFT.
-Adjust E-W PARABOLA.
-Adjust E-W WIDTH.
-Adjust E-W TRAPEZOID.
-Adjust E-W CORNER.
VERTICAL SLOPE
a) Receive center cross chart from pattern generator.
b) Adjust horizontal line of the cross figure to coincide with the edge of the black
area in the center of TRC. (fig. 1).
HORIZONTAL SHIFT
a) Receive Philips pattern signal.
b) When volume-up button is pressed, picture moves to the left.
c) When volume-down in pressed, picture moves to the right.
d) Adjust the horizontal location to obtain picture centering (fig. 2).
E-W WIDTH
a) Receive Philips pattern siganal.
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).
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