Samsung Electronics
9. Seam Adjustment
Black line occurs in white screen
①
Check whether there is any Black Line between the cabinets in White Screen.
(Fig.1)
②
Check whether gap, differences occur between each module
. (Fig.2)
※
Gap: appears as a black line in every direction.
※
Difference: A bright white line occurs in one direction whereas a black line occurs in the opposite direction.
③
If gap occurs, use module with hand from the outermost corner.
④
If differences occur, disassemble low LED module, and spin the Holder-Magnet using tools to
adjust the height.
※
If the Tool spins 0.5 rotation first, and then spins 36 degrees later, the module height will be moved by 0.1mm. (Fig.3)
• Check and Adjust Seam
CABINET
LED module 1
LED module 2
Difference
CABINET
LED module 1
LED module 2
GAP
Fig.1 Black line
Fig.2 Gap/Difference
between Modules
Fig.3 How to adjust Difference
Tool
Holder Magnet
Moves 1mm
for each
rotation
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