AK4185-A Datasheet, PDF (12/18 Pages) Asahi Kasei Microsystems – Evaluation board

[AKD4185-A]
„ Trouble Shooting
1. Application error is occurred and doesn’t start up
If the operating system is Windows 2000/XP, Please install AKM port driver first.
2. MEAN value in AD OUT section does not change when click start button (cannot write control command to
AK4185)
Please set the port address to your PC platform environment.
3. The MEAN, MAX, MIN value doesn't change wherever the pen pushes down on the panel.
There is a possibility of the trouble of the contact of the relay connector that connects the touch panel. Please
open JP1, 2, 3, 4, and 7 on the evaluation board, measure panel seat resistance, and check the resistance.
Generally, the panel seat resistance is hundreds of Ω. There is a possibility that the touch panel is not correctly
connected if the value is over thousands of KΩ. Please connect the relay connector and check the resistance
value again.
<KM090700>
- 12 -
2007/11