User manual

Interface
Automated Logic D iagram
The LCD interface is connected to the TFT controller via a 40-pin cable.
The inverter, LCD display, touch screen controller and beeper are connec-
ted to this interface in the TFT screen module.
Inverter (High-Voltage Generator)
Inside the TFT, the high voltage needed for backlighting the LCD
display is generated by the inverter!
High Voltage!
Before opening the device, make sure, that the device is
disconnected from the main power supply. Opening of the
device only by authorized personnel!
Touch Screen and Controller
An analog capacitive or an analog resistive touch screen is connected. The
touch screen controller has an RS232 interface.
Automated Logic Diagram
GB - 43