Mitsubishi E55LCD Service Manual page 29

4.Set adjustments
4.1 Measuring instruments to be used
The measuring instruments considered necessary for the adjustment of the E55LCD set are specified below.
(1) Equipment that can generate an output of the adjusted VG-819 unit or equivalent.
4.2 Power source voltage
100 - 120V/ 220 - 240V±5%, 50/60Hz
4.3 Electrification
(1) Make connections according to the mode intended for VG-819 cable setting.
(2) Turn on the power switch of the VG-819 unit.
(3) Connect an AC power cable to the unit under inspection.
(4) The LED of the unit under inspection is lit in amber.(In the middle of signal discrimination)
(5) After the completion of signal discrimination, the LED is lit in green.
4.4 BIAS and GAIN adjustment
(1) Input timing 1024X768;75Hz, XGA75 with signal generator, then set the pattern to 32gray scale
and video signal level to 0.7V.
(2) OSD select to WHITE BALANCE then press (▲) or (▼) button.
(3) Automatic adjustment of BIAS and GAIN.
4.5 Panel BRIGHTNESS check
(1) Input timing 1024X768;75Hz, XGA75 with signal generator, then set pattern to full white and video signal
level to 0.7V.
(2) OSD setting BRIGHTNESS and CONTRASST to max(100).
(3) Color temperature setting to user.
(4) Check the center luminance should >= 170 cd/m2.
4.6 Panel color check
(1) Input timing 1024X768;75Hz, XGA75 with signal generator, then set pattern to full white and video signal
level to 0.7V.
(2) Color temperature setting to user.
(3) Check the center color coordination.
x = 0.313+/- 0.03 y = 0.329 +/- 0.03
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