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LC-32G4U/G4D
LC-37G4U/G4D
5. Adjustment
5-1.COM BIAS adjustment
Shift to the "COM BIAS" item with the cursor UP/DOWN key and select a numeric value with the cursor
RIGHT/LEFT key.
Changing the numeric value with the cursor UP/DOWN key will make appear the test pattern. Make an
adjustment so that the flicker near the center of the screen is minimized.
5-2.White balance adjustment
Connect the AVC system, start the unit, and then perform a white balance adjustment on the display.
Changing the numeric value with the cursor UP/DOWN key will make appear the test pattern. Make an
adjustment so that the flicker near the center of the screen is minimized.
• Procedure
• Bring up the adjustment display (High side: 200 gradations, Low side: 48 gradations).
• Adjust "R GAMMAL" "G GAMMAL" "B GAMMAL" so that the 48 gradation pattern becomes normal.
Adjust the chromaticity of the Low pattern (on the right of the display) so that it is set to x = 0.276 and
y = 0.283.
• Adjust "R GAMMAH" "G GAMMAH" "B GAMMAH" so that the 200 gradation pattern becomes normal.
Adjust the chromaticity of the High pattern (on the left of the display) so that it is set to x = 0.295 and
y = 0.305.
6. Software Upgrade for Monitor Microcomputer.
For this model, the software version of the monitor microcomputer can be upgraded via the AVC system. An
SD card is used to upgrade the version. For details of the procedure, method etc., refer to the Service
Manual for LC-32/37G4U (AVC SYSTEM).
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