Patch on display / one module is blank OR one module is flickering

Patch on display / one module is blank OR one module is flickering


Possible Causes​
Steps of Solution
1. FRC is Faulty
1. Check if FRC cable of that module is loosen / disconnected. If No, then change that FRC cable.
2. 5V Connector is Faulty
1. If FRC cable is changed, still the issue is unresolved then check if 5V power is received at module by Digital Multimeter. If 5V is not received, change the 5V connector.
3. Module is Faulty
1. If power is received, FRC is replaced & still issue is unresolved, bypass that module & connect FRC to the next module. If it works, change the module which was blank initially.

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