5-2 PL12.2_A (LC10)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 [CH RETURN] or [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 [CHANNEL UP/DOWN] 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 [CH RETURN] or [PREV CH] button.
Note:
Execute the VCOM adjustment within 2 minutes after
you turn the power on.
[7] button
Note:
When entering this mode, the default setting is White mode.
Purity Check Mode
[7] button
White 50% mode
Red, Green, Blue mode
V-ramp mode
Black mode
[7] button
White mode
[7] button
[7] button
White 20% mode
[7] button
Test Point Adj. Point
Screen
[CHANNEL UP/DOWN]
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