failures and solutions VIII Factory Suppliers Manufacturers Quotes

LED Control System LED Display Screen Solution Provider

failures and solutions VIII

No displaying on LED module


1. Wrong module input voltage

Solution: Module input voltage should be 5V or 3.3V


2. Input signal cable (flat cable) not connect well

Solution: Reconnect the input signal cable (flat cable)


3. Input signal cable (flat cable) break down

Solution: Change the input signal cable (flat cable)


4. 74HC245 IC break down

Solution: Change 74HC245 IC


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