Troubleshooting
Samsung Electronics 4-13
4-1-3 Troubleshooting
Symptom Related Image Causes and Countermeasures
A blank vertical cell (block)
appears on the screen.
Address buffer defect
- Replace the corresponding upper/lower
buffers (E, F)
COF defect (burnt)
- Replace the module
A green screen appears when
the TV is turned on.
The Scale is not reseting
- Replace the Main board
The OSD box appears but there
is no text.
Incorrect program version
- Check the version of each program
- Replace the Main board
A blank upper (or lower) block
appears on the screen.
Upper/Lower Y Buffer defect
- Replace the corresponding upper/lower
buffers (E, F)