– 15 –
1-3.
OSD H OSD Horizontal Positioning Adjustment
PAL
Adjustment Menu No. 16 (Page 1-4)
Input signal : Crosshatch
Measuring instrument : Pattern generator / PAL
•
Use the volume keys on the jig remote controller to adjust each A and B positions
on both left and right in the equal distance towards the screen edge in the OSD
display. A = B (Fig. 1-3)
NTSC
Adjustment Menu No. 88
Input signal : Crosshatch
Measuring instrument : Pattern generator / NTSC
•
Use the “CHANNEL” key to scroll through the adjustment menu and select
No.88. To adjust, follow the same procedure as PAL.
1-4.
OSD V OSD Vertical Positioning Adjustment
PAL
Adjustment Menu No. 94
Input signal : Crosshatch
Measuring instrument : Pattern generator / PAL
•
Use the “CHANNEL” key to scroll through the adjustment menu screen and select
No.94.
•
Using the volume keys on the jig remote controller, adjust A and B on both top and
bottom shown in the OSD screen to be equidistant from the screen edges. A = B
(Fig. 1-4)
NTSC
Adjustment Menu No. 89
Input signal : Crosshatch
Measuring instrument : Pattern generator / NTSC
•
Use the “CHANNEL” key to scroll through the adjustment menu and select No.
89. To adjust, follow the same procedure as PAL.
1-5.
PIF VCO Video IF • VCO Adjustment
Adjustment Menu No.17 (Page 1-5)
Input signal : No signal
Test point : IC301
1
PIN
1-5.1
Auto Adjustment
•
Press “ TEST” key to enter aging mode.
•
Press “ 1” , the monitor will display “PLEASE WAIT PIF VCO”.
• Confirm the test point voltage is 2.5V
±
0.5VDC.
1-5.2
Manual Adjustment
•
If the Auto Adjustment failed, use volume keys on the jig remote controller and
adjust the test point voltage value to 2.5V
±
0.5VDC.
1-6.
RF AGC RF - AGC
Adjustment Menu No.18 (Page 1-6)
Input signal : Color bar (ANT RF - INPUT)
Test point : IC301
1
PIN
Measuring instrument : Oscilloscope
1. Connect oscilloscope to IC301
1
PIN.
2. Using the volume keys on the jig remote controller, set the value to [3F]. At this
point, measure the voltage on the test point.
3. Use the volume keys on the jig remote controller and reduce the value. (3E
→
3D...)
At this point, confirm the reduction of the test point voltage value.
4. Complete the adjustment when the difference of the voltage value when compared to
[3F] becomes less than 0.2V.
