Alignments & Adjustments - Samsung SyncMaster 800TFT 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 .
• DV18AS.exe software
• 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.
INTERFACE
BOARD VER. 2.0
5V DC
ADAPTOR
PARALLEL CABLE
PC
Figure 4-1. Setup 1, With Signal Generator
SyncMaster 800TFT
R
MONITOR
SIGNAL CABLE
3-WIRE
CABLE
SIGNAL
GENERATOR
R R
INTERFACE
BOARD VER. 2.0
5V DC
ADAPTOR
PARALLEL CABLE
Figure 4-2. Setup 2, Without Signal Generator
MONITOR
3-WIRE CABLE
SIGNAL CABLE
D-SUB
CONNECTOR
PC
4-1