Lcd Blue Brightness Adjustment; Lcd Red Brightness Adjustment - Epson PhotoPC 850Z Service Manual

EPSON PhotoPC 850Z

5.2.7.4 LCD Blue Brightness Adjustment

ADJUSTING METHOD
Adjust LCD "B Bright" so that the amplitude of the CL405 waveform becomes
± 0.2V with respect to the CL403 (VG) waveform.
NOTE: LCD RGB Offset adjustment and LCD Gain adjustment should
always be carried out first.
Figure 5-12. LCD Blue Brightness Adjustment
Adjustment

5.2.7.5 LCD Red Brightness Adjustment

ADJUSTING METHOD
Adjust LCD "R Bright" so that the amplitude of the CL404 waveform becomes ±
0.2V with respect to the CL403 (VG) waveform.
NOTE: LCD RGB Offset adjustment and LCD Gain adjustment must have
been done.
Figure 5-13. LCD Red Brightness Adjustment
Adjustment
Revision A
100