Alignment & Adjustments - Samsung Syncmaster 213T Service Manual

4 Alignments and Adjustments
This section of the service manual explains how to use the DDC JIG to adjust the black, red, green, and blue
levels of the FPD when you replace the AD board, and how to update the microprocessor when you
change the panel or lamp(s).
4-1 Required Equipment
The following equipment is necessary for adjusting the monitor:
• Oscilloscope with probe tool
• Computer with Windows 95 , Windows 98 , or Windows NT .
• DDC Control JIG
4-2 Using the DDC Control JIG
After replacing the LCD Panel, Lamp(s), and / or AD Board, use the DDC Control JIG to complete your
service. Attach the DDC Control JIG to the flat panel display (FPD) as shown in the diagrams, below.
4-2-1 Adjustment Procedures
Use the following procedures whenever you replace the AD board, panel, or one or both of the lamps.
4-2-1 (a) When Replacing the AD Board
1. Remove the old AD board and replace it with a new board.
2. Perform the procedures described in section Figure 1.
4-2-1 (b) Color Auto Adjustment
1. After displaying 16-gray pattern, go to the "osd language selection" of XGA mode and press the "menu
key" once and press the "exit key" for 5 seconds.
2. During normal execution of auto algorithm the screen image may change. If auto algorithm does not
execute properly, repeat the process.
3. After normal execution of auto algorithm, confirm optimal settings by observing the contrast of several
different patterns on the display.
213T
R R
Figure 1.
R
4-1