Samsung PC24NS Alignment and Adjustments

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 .

4-2 Adjustment Procedures

Use the following procedures whenever you
replace the AD Board, Panel, or one or both of the
Lamps.

4-2-1 (b) Color Auto Adjustment

1. After displaying 16-Gray pattern of XGA
mode channel press channel “+”,
”–”, and “source” buttons.

2. During normal execution of Auto Algorithm
the screen image may change. If Auto
Algorithm does not excute properly, try one
more.

3. After normal execution of Auto Algorithm,
confirm optimal settings by observing the
contrast of several different patterns on the
display.

R R R

4-2-2 (c) White Balance Adjustment

1. After displaying white pattern (on the
WUXAG mode), press channel “+”,”–” and
“PIP” buttons.

2. During normal execution df white balance the
screen, image may change.

PC24NS 4-1

4 Alignments and Adjustments

Memo

4-2 PC24NS