SAMSUNG GY15VSSS Service Manual

CONFIDENTIAL

4 Alignments and Adjustments

This section of the service manual explains how to use the RS232 JIG.
This function is needed for AD board change and program memory (IC110) change.

4-1 Required Equipment

The following equipment is necessary for adjusting the monitor:

• Computer with Windows 95, Windows 98, or Windows NT.

• MTI-2031 DDC MANAGER JIG

4-2 Automatic Color Adjustment

To input video, use 16 gray or any pattern using black and white.

1. Select english for OSD language.

2. Press the “Exit” key for 5 seconds.

4-3 DDC EDID Data Input

1. Input DDC EDID data when replacing AD PCB.

2. Receive/Download the proper DDC file for the model from HQ quality control department.
Install the below jig (Figure 1) and enter the data.

Figure 1.

4-4 OSD Adjustment When Replacing Panel

1. Adjust brightness and contrast to 0. Then, press the exit key for 5 second.
Service function OSD will appear on screen.

2. Press the + key to place the cursor on the panel. Press the menu key for 5 seconds.

4-5 OSD Adjustment When Replacing Lamp Only

1. Adjust brightness and contrast to 0. Then, press the exit key for 5 seconds.
Service function OSD will appear on the screen.

2. Press the + key. Select upper lamp and press the menu key for 5 seconds.
Then, select lower lamp and press the menu key for 5 seconds.

❇

Note : Please be sure to read the following instructions for details on service function.

GY15VS*/GY17VS*

4-1

4 Alignments and Adjustments

4-6 Service Function Spec.

4-6-1 How to Display Service Function OSD

1. The value for brightness and contrast should be changed to zero.

2. Within 5 seconds, press the exit key.

3. Service function OSD will be displayed.

❇ If you want to disable the service function OSD, you will have to power off.

CONFIDENTIAL

Panel Information

Softward Version

Checksum

Figure 2. The example of service function OSD

The service function OSD is based on a grid of 29 columns x 12 rows.

The service function OSD consists of panel information, software version and MICOM checksum.

4-6-2 How to Control Service Function OSD

1. With the panel selected on OSD, whenever you press the right key, the base color will change to blue
from “Panel” to “Upper Lamp”, “Lower Lamp”.

Figure 3.

4-2 GY15VS*/GY17VS*