2011-000002 datasheet(11/43 Pages) SAMSUNG

11 / 43 page

SyncMaster 770TFT

4-1

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 .

• DV17AS.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.

MONITOR

INTERFACE

BOARD VER. 2.0

SIGNAL

GENERATOR

3-WIRE

CABLE

SIGNAL CABLE

5V DC

ADAPTOR

PARALLEL CABLE

Figure 4-1. Setup 1, With Signal Generator

MONITOR

INTERFACE

BOARD VER. 2.0

3-WIRE CABLE

SIGNAL CABLE

PARALLEL CABLE

D-SUB

CONNECTOR

5V DC

ADAPTOR

Figure 4-2. Setup 2, Without Signal Generator

2011-000002 Datasheet(PDF) 11 Page - Samsung semiconductor