HOW TO INITIALIZE THE TV
To put the program back at the factory-default, initialize the LCD television as the following procedure.
- Turn the power on. (Use main power on the TV unit.)
- To enter the service mode, press [STANDBY], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds.
- To cancel the service mode, press [STANDBY] button on the remote control.
- To initialize the LCD television, press “DISPLAY” button on the remote control unit.
- Confirm "FF" indication on the upper right of the screen.
SERVICE MODE
Electrical adjustments are required after replacing circuit
components and certain mechanical parts. It is important to perform these
adjustments only after all
repairs and replacements have been completed.
Do not attempt these adjustments unless the proper equipment
is available.
TO ENTER SERVICE MODE
- Turn the power on. (Use main power on the TV unit.)
- Press [STANDBY], [2], [7], [1], and [MUTE] buttons on the remote control unit in that order within 5 seconds.
- To cancel the service mode, press [STANDBY] button on the remote control.
INITIAL SETTING
Set the each initial data as shown on table.
FLICKER ADJUSTMENT
- Enter the Service mode.
- Press [2] button on the remote control unit.
If Flicker Adjustment is not fit, the screen
becomes the following.
Press [CH UP / DN] buttons on the remote control
unit so that flash stops.
WHITE BALANCE ADJUSTMENT
The following adjustment normally is not attempted
in the field. Only when replacing the LCD Panel then adjust as a preparation.
- To mix red, green and blue beams correctly for pure white.
- Symptom of Misadjustment: White becomes bluish or reddish.
- Operate the unit for more than 20 minutes.
- Input the White Purity.
- Set the color analyzer to the CHROMA mode 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.]
- Enter the Service mode. Press “VOL DN” button on the remote control unit and select “C/D/S-1” mode. [AV1(RGB)]. Enter the Service mode. Press “VOL DN” button on the remote control unit and select “C/D/S-2” mode.
- Press “6” button to select “DB(C/D/S-1)” for Blue adjustment. Press “4” button to select “DR(C/D/S-1)” for Red adjustment. When “x” value and “y” value are not within specification, adjust “DB (C/D/S-1)” or “DR (C/D/S-1)”. Refer to “Initial Setting.”
- Press “3” button to select “COB(C/D/S-1)” for Blue adjustment. Press “1” button to select “COR(C/D/S-1)” for Red adjustment. When “x” value and “y” value are not within specification, adjust “COB (C/D/S-1)” or “COR (C/D/S-1)”. Refer to “Initial Setting.”
- Press “6” button to select “C-DB(C/D/S-2)” for Blue adjustment. Press “4” button to select “C-DR(C/D/S-2)” for Red adjustment. When “x” value and “y” value are not within specification, adjust “C-DB(C/D/S-2)” or “C-DR(C/D/S-2)”. Refer to “ Initial Setting.”
- Press “3” button to select “C-COB(C/D/S-2)” for Blue adjustment. Press “1” button to select “C-COR(C/D/S-2)” for Red adjustment. When “x” value and “y” value are not within specification, adjust “C-COB(C/D/S-2)” or “C-COR(C/D/S-2)”. Refer to “ Initial Setting.”
- Turn the power off and on again. (Main power button on the TV unit.)
BACK-LIGHT CONTROL SCHEMATIC