FUNAI LH7-M19BB, Service Manual

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5-2 A93F0EA
2. VCOM Adjustment.
1. Operate the unit for more than 20 minutes.
2. Set the color analyzer and bring the optical
receptor to the center on the LCD-Panel surface
after zero point calibration as shown above.
Note: The optical receptor must be set
perpendicularly to the LCD Panel surface.
3. Enter the Service mode.
4. Press [3] button on the service remote control unit.
5. Press [P / ] buttons on the service remote
control unit so that the color analyzer value
becomes minimum.
3. Auto Calibration [Component]
Purpose: To bring the color adjustment of each
component into standard alignment.
Symptom of Misadjustment: If this adjustment is
incorrect, component signals do not reproduce the
corresponding color.
1. Input 720P 100% Color Bar signal.
2. Enter the service mode.
3. To enter the Auto Calibration adjustment mode,
press [6] button on the service remote control unit.
4. To start auto adjustment, press [P ] button on the
service remote control unit.
- In the auto adjustment mode, “Calibration Check”
appears on the screen.
- Upon completion, “OK” appears on the screen.
4. Auto Calibration [PC]
Purpose: To bring the color adjustment of PC into
standard alignment.
Symptom of Misadjustment: If this adjustment is
incorrect, PC signals do not reproduce the
corresponding color.
1. Input SVGA 100% White signal.
2. Enter the service mode.
3. To enter the Auto Calibration adjustment mode,
press [5] button on the service remote control unit.
4. To start auto adjustment, press [P ] button on the
service remote control unit.
- In the auto adjustment mode, “Calibration Check”
appears on the screen.
- Upon completion, “OK” appears on the screen.
Test Point Adj. Point
Screen
[P / ]
buttons
M. EQ. Spec.
Color analyzer See below
Figure
Color Analyzer
To avoid interference from ambinent
light, this adjustment should be
performed in a dark room.
L = 3 cm
Perpendicularity