TO ENTER SERVICE MODE
This set has an On-screen Service Menu System included in the CPU that allows remote operation for most of the service adjustments.
- Press and hold the MENU button on Side Controls.
- Keep pressing the MENU button and press the MUTE button on the remote control, and the FACTORY MENU will be displayed.
- Select “DATA” line by pressing ‘Up’ or ‘Dn’ button.
- Press ◄►button to adjust data.
- Press MENU button to exit service mode.
- The all adjusted data in service mode will be memorized into EEPROM automatically.
SETTING THE INITIAL DATA
This adjustment is controlled by
the CPU (IC8000) through the IIC Bus Data Line in the chassis, and those
adjustment data are memorized the memory IC (IC8001). Therefore, Main board or
the memory IC (IC8001) is replaced, these data will be disappeared. Readjust
should be made. Initial data is provided in the CPU ROM, when the memory IC (IC8001)
is replaced with new one. CPU ROM data is loaded into the memory. Initial data
is provided to operating the monitor basically. For operating the monitor
quality performance, further adjustment is required following chassis
electrical adjustment.
- Receive good quality signal.
- Enter the Service Mode.
- Confirm data value to be the same as the Service Adjustment Data Table. If it is different, change to correct data.
- Exit the Service Mode.
WHITE BALANCE ADJUSTMENT
Condition
Picture Mode: STANDARD
- Color Temperature: NORMAL
- Aging Time: More than 10 minutes.
Pattern
- White Pattern 100% (in AV mode).
- Enter the Service Mode.
- Select "Source ALL" by pressing ed button, and select "Properties White" by pressing 7 8 button.
- Set R,G,B value to “FF” by pressing NUMERIC buttons.
- To adjust Red : Press 1 (data value up) and 4 (data value down).
- To adjust Green : Press 2 (data value up) and 5 (data value down).
- To adjust Blue : Press 3 (data value up) and 6 (data value down).
- Decide one item in three items to a fixed value (For example, let R be fixed value), select item of other 2 colors. (Example, G or B), and adjust to produce a normal black and white picture in highlight areas. (Note: At this time, Adjust the other 2 colors data less than fixed data.)
- Exit the Service Mode. After adjustment, confirm white balance again by normal picture.
