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HMI-640S User's Manual
3.2 LCD Display
The LCD display rarely needs replacing during normal life span of the
HMI-640S.
Howerver, if you should need to replace the LCD display, please follow
the procedure below:
1. Verify that the power source to the HMI-640S has been disconnect-
ed.
2. Open the front panel. (See Section 3.1.)
3. Remove the LCD from the steel chassis by first removing the four
screws.
4. Disconnect the cable from the LCD (marked "A" in the diagram
below) and the LCD inverter (marked "B").