Samsung Mercury-27T, Service Manual

Page: 67 / 84

4. Trouble shooting
4.3. Hardware Troubleshooting
4.3.1. LCD
#1. The screen is dark or the colors of the screen are distorted.
1
Check the Connection Status
- LCD Module & LCD Cable
- LCD Cable & Main Board LCD Connector
- LCD Cable
→ Re-Fixation Cable and Connector
2
Replace LCD Cable or LCD Panel Replace with the Good Module to check whether the
Module Problem or not.
3
Check if there is a part of the LCD that is bent or broken
due to impact
Replace the LCD
#2. No picture appears on the screen.
1
Check the Connection Status
- LCD Module & LCD Cable
- LCD Cable & Main Board LCD Connector
- LCD Cable
→ Re-Fixation Cable and Connector
→ change the Inverter
2 Check if the System LED of the main board is blinking
3 Check if the memory module is out of order. Re-fixation or Replacement other Memory Card
4 Check if the Power button can be normally pressed. Check operating or not
#3. The LCD blinks while the system is in operation.
1
Check if there is a magnetic body near the touch pad
button or the system or check if there is an exterior defect
to the LCD
2 Check LCD cable or LCD module Replace the new one.
Copyright© 1995-2012 SAMSUNG. All rights reserved. 4-6