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1-4. OSD POS OSD Positioning / Adjustment Menu Screen : PAGE 1-4
Input signal : Not specified
• Adjust + mark positions on both left and right in the equal distance towards the
screen edge. A = B (Fig. 1-4)
1-5. PIF VCO Video IF/VCO Adjustment / Adjustment Menu Screen : PAGE 1-5
Input signal : ANT RF - INPUT
• Use the volume keys on the jig remote controller to adjust AFT until "OK" status is
indicated on the screen. (Fig. 1-5)
• If there is more than one range to adjust, select the average figures.
* "NG" will be indicated for SD when no screen signal was sent. It will not be any
problem for VCO adjustment. (eg. Video input environment with receiving no signal.)
Even in this case, adjustment is possible if there is a load on.
1-6. RF AGC RF-AGC / Adjustment Menu Screen : PAGE 1-6
Input signal : ANT RF - INPUT
Test point : TP-101 RF - AGC (TU101-1 pin)
Measuring instrument : Oscilloscope
1. Connect oscilloscope to TP-101
2. Using the volume keys on the jig remote controller, adjust the test point voltage becomes
to 3.5V ± 0.3V. And at the same time, confirm AFT status changes to "OK" as shown in
the fig. 1-6.
2. White Balance Adjustment :
* User's picture quality will be cleared when the adjustment menu screen appears.
Input signal : White raster
Contents of the adjustment : 1. R CUT OFF
Measuring instrument : Pattern generator
Cut Off Adjustment :
2-1. Use the pattern generator to input the white raster signal.
2-2. Using the volume keys on the jig remote controller, fix the figure of the strongest color on
the screen to the level 127 and adjust the other 2 cut off figures until a white picture
appears on the screen. Fig. 2-1
Adjustment Menu Screen : PAGE 2-1~5.
2. G CUT OFF
3. B CUT OFF
4. G DRIVE
* More than 20 minutes of aging is required
before adjustment.
5. B DRIVE
* The whole process should be repeated for
several times for the adjustment.
– 16 –
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