Service Menu
This set has an On-screen Service Menu System included in the CPU that allows remote operation for most of the service adjustments
On-screen Service Menu System
Quick operation is needed to enter Service Mode.
How to enter the Service Menu
1. Press and hold the MENU button on Side Controls.
2. Keep pressing the MENU button and press the MUTE button on the remote
control, and the FACTORY MENU will be displayed.
3. Select SERVICE by pressing (Up) or (Dn) button and then press( +) or ( - )
button to enter SERVICE menu.
How to select the service item and adjust data
1) Select “DATA” line by pressing (Up) or (Dn) button.
2) Press (+) or (-) button to adjust data
To exit service mode
Press BACK button or MENU button to exit service mode.
Note: The all adjusted data in service mode will be memorized into EEPROM automatically.
Initial data [Default data]
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 (IC8002).
Therefore, Main board or the memory IC (IC8002) is replaced, these data will be
disappeared. Readjust should be made. Initial data is provided in the CPU ROM,
when the memory IC (IC8002) 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.
1. Receive good quality signal.
2. Enter the Service Mode.
3. Confirm data value to be the same as the Service Adjustment Data Table. If
it is different, change to correct data
4. Exit the Service Mode.
White balance Adjustment
Picture Mode: STANDARD
Color Temperature: NORMAL
Aging Time: More than 10 minutes
1. Enter the FACTORY MENU.
2. Select WHITE BALANCE by pressing (Up) or (Dn) button, and then pressing ( + ) or ( - ) button to enter it.
3. 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).
4. Decide one item in three items to a fixed value
(For example, let R be fixed value as following picture.), select item of other
2 colors (Example, G or B as following picture), 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.)
5. Exit the FACTORY MENU
After adjustment, confirm white balance again by normal picture.
Schematic diagrams
Main board
Power board
