LED R&D Lab(VD)
46
CASE 1-2. Module warpage(Concave shape) solution
◆ Refer to when the screen is directly exposed to the light source or when module shaping concave)
※ Reworking instruction
2) Rotate screws like below in the ASSY Module to counterclockwise.
Screw
: counterclockwise
Mark different colors pen on the opposite side
of the driver tip.
start and end are different in color : ½ turn
PH.0 (+)driver
3) If no Z-axis difference remains between modules in a cabinet, assemble the module.
※ If z-axis difference remains, rework to refer next page.
① Put down main frame on the separated module to the guide line.
②Push the center. (Main board and bridge board docking part)
`
Green Circle (26point) : Screw ½ turn
(180º degrees)
26point