5-2 A17FYUH_EA
1. Purity Check Mode
This mode cycles through full-screen displays of red,
green, blue, and white to check for non-active pixels.
1. Enter the service mode.
2. Each time the [7] button on the remote control unit
is pressed, the display changes as follows.
3. To cancel or to exit from the Purity Check Mode,
press [PREV CH] button.
2. VCOM Adjustment
1. Set the color analyzer at the zero point calibration
and bring the optical receptor pointing at the
center of the LCD-Panel.
Note: The optical receptor must be set
perpendicularly to the LCD Panel surface.
2. Enter the service mode.
3. Press [2] button on the remote control unit.
4. Press [CH + or -] buttons on the remote control
unit so that the color analyzer value becomes
minimum.
5. To cancel or to exit from the VCOM Adjustment,
press [PREV CH] button.
[7] button
Note:
When entering this mode, the default setting is White mode.
Purity Check Mode
[7] button
Red mode
Green mode
Blue mode
Black mode
[7] button
White mode
[7] button
[7] button
White 20% mode
[7] button
Test Point Adj. Point
Screen
[CH + or -]
buttons
M. EQ. Spec.
Color analyzer See below
Figure
Color Analyzer
To avoid interference from ambient
light, this adjustment should be
performed in a dark room.
Perpendicularity
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