Compaq CRT Monitor s7500 Service Guide - Page 17
Alignment Procedures
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HP S7500/MV7500/CV7500 4-2 Alignment Procedures 4-2-1 High Voltage Adjustment CONDITION Press 1 and 2 buttons simultaneously when switching the power "On". Display image: No video (68.68kHz Mode) PROCEDURE Connect DC meter to TP002 and adjust HV (i) R802 to obtain a DC voltage of -173.5 ± 0.2 V DC (Sampo FBT) or -172.5 ± 0.2V DC (LCE FBT) for CPT CRT M41AGE93X46 (TCO) or M41AGE83X46 (MPRII) . 4-2-2 Screen and White Balance Adjustment CONDITION Press 1 and 2 buttons simultaneously when switching the power "On". Display image : No video (68.68kHZ Mode) PROCEDURE 1 Raster color setting 1-a. Set Brightness max. to 77, G1 to 60 (OSD cursor) and 530 ± 5 at G2, cursor. 1-b Adjust R and B cutoff to min. 1-c Adjust Gcutoff toabout 0.45FL 1-d Adjust B cutoff to get y=298 ± 5, R cutoff to get x=283 ± 5 and Y=0.65 ± 0.05 FL. 1-e Adjust Brightness cutoff to raster 0.01-0.02 FL. CONDITION Display image : 50 mm x 50 mm white block pattern PROCEDURE 1 55000K color temperature setting 1-a. Set Brightness to cutoff and Contrast to maximum. 1-b Move cursor on OSD to choose color temperature icon. 1-c. With green block pattern, adjust G gain to get Y about 32FL. 1-d Adjust R.B. gain to get x=333 ± 5, y=348 ± 5; and Y=40 ± 0.5FL 2 65000K color temperature setting 2-a. Set Brightness to cutoff and Contrast to maximum. 2-b Move cursor on OSD to choose color temperature icon. 2-c. With green block pattern, adjust G gain to get Y about 32FL. 2-d Adjust R.B. gain to get x=313 ± 5, y=329 ± 5; and Y=43 ± 0.5FL 3 93000K color temperature setting 3-a. Set Brightness to cutoff and Contrast to maximum. 3-b Move cursor on OSD to choose color temperature icon. 3-c. With green block pattern, adjust G gain to get Y about 32FL. Page 15