Sony XTL-750W Service Manual page 10

Mobile color tv
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γ 0 Adjustment
Procedure:
1. Display the gray scale on the monitor screen.
2. Connect an oscilloscope to TP106 on the MONITOR MAIN
board.
3. Adjust RV212 so that the white level of the waveform is at
4.6 ± 0.05V DC.
Adjustment Location: See page 11.
R and B Level Adjustment
Procedure:
1. Display the gray scale on the monitor screen.
2. Connect an oscilloscope to TP107 on the MONITOR MAIN
board.
3. Adjust RV207 so that the white level of the waveform is at
4.6 ± 0.05V DC.
4. Connect an oscilloscope to TP108 on the MONITOR MAIN
board.
5. Adjust RV209 so that the white level of the waveform is at
4.4 ± 0.05V DC.
Adjustment Location: See page 11.
VCOM Adjustment (2)
Procedure:
1. Display the navigation map screen on the monitor screen.
2. Adjust RV211 so as to ensure that the screen has the highest
contrast with no flicker.
Adjustment Location: See page 11.
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