9.2.
Sub Contrast / G-Limit Adjustment
Preparation
Picture Menu : Dynamic
WB-B-G-ST1 : 255
C Temp : Standard
High-RGB : 128
AI : ON
Low-G : 640
P-NR : AUTO
G-Limit : 255
Scan Mode : 100Hz (PAL)
Cut off Adjustment has been adjusted
Adjustment
1. Receive a Cross Hatch pattern.
2. Connect an oscilloscope to TPLG1 on LG-Board.
3. Adjust Sub Contrast so that the waveform A is 132 ± 2V.
4. Before G-Limit Adjustment is attempted, Sub Contrast adjustment must be completed.
5. Adjust G-Limit so that the waveform A is 128 ± 2V.
9.3.
Sub Picture Contrast Adjustment
Preparation
Picture Menu : Dynamic
AI : ON
Adjustment
1. Receive a Colour Bar pattern.
2. Connect an oscilloscope to TPLG1 on LG-Board.
3. Increment / Decrement Video gain2 to adjust Sub-Video level B as same as Main video level A.
4. Write same date on
Video gain TV as Video gain AV.
28
TX-51P800X / TX-51P800HM / TX-51P800HQ / TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ
Summary of Contents for TX-51P800X
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