How can I recalibrate the touch area from a PCD7.D7xx panel?

FAQ #100868

It might happend that the touch area of a PCD7.D7xx panel doesn't respond anymore: In this case most likely the calibration has been lost and the touch area has to be recalibrated. In many cases the loss of the calibration can be avoided by a boot and firmware update (see related link below)!

Procedure for recalibrating the touch screen

Switch off the panel
Open the back cover (4 screws)
Locate the single jumper J1 or J5 also indicated with C
Move the jumper on the position C
Swicth the power on
Calibrate the screen with a fine pointer (on the cross 3 times)
Swich the power off
Move the jumper to the inital position
Close the cover
Switch the panel on

More details about the calibration with drawings for each panel type are available in hardware manual 405_1200_037 which is availbale on the PCD support page:
www.sbc-support.ch/pcd7/dxxx/d7xx/pcd7d7xx.htm

Important
Always use the latest PCD8.D81W version: the actual version is 5.22. In this version some boot / firmware versions have to be updated, see related link to the FAQs 100823 and 100716!

Related FAQs:

How can I recalibrate the touch area from a PCD7.D7xx panel?

FAQ #100868

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