Samsung TV Panel troubleshooting – Vertical lines – dark spots – Horizontal lines

Model: UN32B6000VFXZA
Symptom: Circles on the screen

Solution: Bring up the OSD or internal test patterns. If you still see circles, replace the panel

Model: LN46B550K1FXZA
Symptom: Vertical lines on screen

Solution: Bring up the OSD or internal test patterns. If you still see the lines, replace the panel.

Model: UN46B6000VFXZA
Symptom: There’s a small triangle on the upper right hand corner.

Solution: Bring up the internal test patterns. If you still see the triangle, replace the panel.

Model: UN55B6000VFXZA
Symptom: Distorted and pink smear across top

Solution: Bring up the internal test patterns. If you still see the pink smear, replace the panel.

Model: PN50B450B1DXZA
Symptom: Vertical line on screen

Solution: Bring up the internal test patterns. If you still see the line, replace the panel.

Model: LN52B630N1FXZA
Symptom: The LED above the power button flashes constantly and then flashes at a rapid rate when a command is sent using the remote control.

Solution: Check the LVDS cable.

Model: PN50B450B1DXZA
Symptom: Vertical bar

Solution: Make sure it shows up in the front of the OSD and/or internal test patterns. If YES, replace panel.

Model: UN55B8500XFXZA
Symptom: Dark area in center of the screen.

Solution: Make sure it shows up in the front of the OSD and/or internal test patterns. If YES, replace panel.

Model: LN40B530P7FXZA
Symptom: Vertical and horizontal lines.

Solution: Make sure it shows up in the front of the OSD and/or internal test patterns. If YES, replace panel.