Panasonic TX-43P800X / TX-43P800HM / TX-43P800HQ / TX-43P800HZ / TX-51P800X / TX-51P800HM / TX-51P800HQ Service Manual ▷ View online
9 Adjustment Procedure
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9.1 Cut off Adjustment
9.2 Sub Contrast / G-Limit Adjustment
9.3 Sub Picture Contrast Adjustment
9.4 NTSC Tint Adjustment
9.5 Sub Color Adjustment
9.6 Blue Focus / Gamma Adjustment
9.7 White Balance Adjustment
9.8 Sub Bright Adjustment
9.9 Blue Limit Adjustment
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9.1 Cut off Adjustment
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Preparation
Picture Menu : Dynamic WB-B-G-ST1 : 255
C Temp : Standard High-RGB : 128
AI : ON Low-RGB : 640
P-NR : AUTO
Scan Mode : 100Hz (PAL) G-Limit : 255
Screen VR : Full Counterclockwise B-Limit : 255
Adjustment
1. Receive a Black Level pattern.
2. Connect an oscilloscope to TPLG1 on LG-Board.
3. Adjust Sub Bright so that the waveform A is 200 ± 2V.
4. Connect an oscilloscope to TPLR1 on LR-Board.
5. Adjust Low-R so that the waveform A is 200 ± 2V.
6. Connect an oscilloscope to TPLB1 on LB-Board.
7. Adjust Low-B so that the waveform A is 200 ± 2V.
8. It pushes and it makes a [HELP] key the project only of GREEN.
9. The 6th paragraph shines faintly with the screen VR of GREEN and the 7th paragraph does to
the sinking style.
10. It pushes and it makes a [HELP] key the project only of RED.
11. The 6th paragraph shines faintly with the screen VR of RED and the 7th paragraph does to the
sinking style.
12. It pushes and it makes a [HELP] key the project only of BLUE.
13. The 6th paragraph shines faintly with the screen VR of BLUE and the 7th paragraph does to
the sinking style.
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9.2 Sub Contrast/ G-Limit Adjustment
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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.
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