Table of Contents
Advertisement
4. Troubleshooting
4.1. First Checklist for Troubleshooting
1) Check the various cable connections first.
•
Check to see if there is a burnt or damaged cable.
•
Check to see if there is a disconnected or loose cable connection.
•
Check to see if the cables are connected according to the connection diagram.
2) Check the power input to the Main Board.
3) How to distinguish if the problem is caused by Main board or Logic Board.
•
No Video : If the problem is No Video but Logic Board is on and Indication LED is blinking repeatedly and
faster than normal booting, replace the Logic board.
•
Distorted Picture : Check the inner patterns.
Inner pattern
OK
NG
•
How to check Logic test pattern?
a. Entering Factory mode
b. Move to SVC menu
c. Move to Test Pattern
d. Check test patterns.
e. If logic board doesn't have problem then you may se below pattern by pressing
Copyright© 1995-2013 SAMSUNG. All rights reserved.
Picture
NG
NG
4. Troubleshooting
Problem
Main Board
Main / Logic Board or Panel.
key
4-1
Advertisement
Table of Contents
Troubleshooting
