FUNAI LED22-T800M Service Manual page 17

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.
Purity Check Mode
White mode
Black mode
Red mode
Green mode
Blue mode
White 20% mode
Note:
When entering this mode, the default setting is White mode.
3. To cancel or to exit from the Purity Check Mode,
press [BACK] button.
[7] button
[7] button
[7] button
[7] button
[7] button
[7] button
2. VCOM Adjustment
Test Point
Screen
M. EQ.
Color analyzer
To avoid interference from ambient
light, this adjustment should be
performed in a dark room.
Perpendicularity
L = 1.18 inches
1. Operate the unit for more than 20 minutes.
2. Set the color analyzer at the zero point calibration
and bring the optical receptor pointing at the
center of the LCD-Panel at a distance of 3cm away
from the LCD-Panel surface.
Note: The optical receptor must be set
perpendicularly to the LCD Panel surface.
3. Enter the Service mode.
4. To enter the "VCOM-2 adjustment mode", press [3]
button on the remote control unit.
To enter the "VCOM-1 adjustment mode", press [2]
button on the remote control unit.
5. Press [P /
unit so that the color analyzer value becomes
minimum.
6. To cancel or to exit from the VCOM Adjustment,
press [BACK] button.
5-2
Adj. Point
[P /
buttons
Spec.
See below
Figure
Color Analyzer
] buttons on the remote control
LC8.5P(LED)EA
]