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R5915190 /01
IEX series
7.1.5 Failure in Lighting up of a Cabinet in the Display
Causes
•
The power supply, receiving card, or hub card for the cabinet is faulty.
•
Signal output of the previous cabinet is faulty.
Troubleshooting method
•
Check voltage at the DC side of the power supply and the receiving card power supply. Check the
receiving card signal indicator light in the cabinet. Check whether the hub card contacts properly with the
receiving card.
•
Check output signals of the receiving card of the previous cabinet, or replace the signal cable.
7.1.6 Failure in Lighting up Part of the Modules in the Cabinet
Causes
•
Output of the power supply for the modules is faulty.
•
Output of signal which controls the related modules is faulty.
Troubleshooting method
•
Check DC voltage for the modules.
•
Check the hub card ports or flat cables that control the modules.
7.2 Replacement of Main Components
WARNING:
Before performing maintenance on the LED display, cut off the power supply to ensure
your personal safety and equipment safety.
7.2.1 Replacement of Module
How to replace
When replacing a faulty module, cut off the power supply to ensure your personal safety and equipment
safety. When replacing the module, please pay attention to the direction of the module.
Replace a module of the LED display based on the following steps:
Front maintenance steps
1. Disconnect the power, use the big magnet maintenance tool, press the tool by aiming at the center of the
module to make the magnet hold the module
Image 7
–
1
2. Remove the module
Содержание IEX Series
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Страница 26: ...R5915190 01 IEX series 26 Installation and Wiring...
Страница 42: ...R5915190 01 IEX series 42 LED Display Control Setting...
Страница 65: ...65 R5915190 01 IEX series Image 6 6 Aging test Image 6 7 Screen test Startup Shutdown and Maintenance...
Страница 66: ...R5915190 01 IEX series 66 Startup Shutdown and Maintenance...
Страница 74: ...R5915190 01 IEX series 74 Image 7 17 Troubleshooting and Component Replacing...
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