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No display in Graphical LCD

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Hi,

I'm trying to run the sample code provided by LOGIC PD to execute a test pattern on the Graphical LCD, the code flow seems to working perfectly.

But the LCD behaves as though there is no power coming to the graphical lcd even the we are able to measure corresponding power supply lines and the signal according to schematics and program flow respectively.

Also we checked by keeping S7:1 switch of switch set 7 to OFF state as mentioned in the user manual provided by LOGIC PD.

Kindly suggest the necessary hardware setup,


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