AIO136 LED SIGNAGE Standard Repair Process
No. 증상 (대분류) 상세 (소분류) Page Remarks
1
A. Video error
- No Video (entire screen turns
into black)
- No Video (partial screen turns
into black)
- Weird Pattern with an area
covering the multiple modules
of the screen
- Color Error
Check the Indicator on the System Controller FPGA board. A1
2
Check LAN Cable connection.
(cabinet <-> cabinet, HUB board <-> HUB board)
A2
1
B. Power error
- No Power to entire screen
- No Power to partial screen
- Weird Pattern with an area
covering certain part of the
single module
Check the power of the system controller's main / FPGA
board
B1
2 Check PSU / HUB board B2
3
Check AC Cable connection between left half and right
half
B3
4 Check Power Controller board B4
1
C. Exterior Defect
- LED Defect (Line/Dot Defect,
etc.)
C-1
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