Daktronics T-7060 Touchpad - Manual (Page 16)

10 Maintenance & Troubleshooting
Problem Possible Cause Solution/Items to Check
Touchpad is not registering
a touch, and the voltage
stays at 0.25 V DC when the
touchpad is pressed
Bad touchpad cable
1) Unplug the touchpad from the
lane module/deck plate.
2) Set the meter to continuity.
3) Touch the red probe of the
meter to the GND tab of the
touchpad connector, and touch
the black probe of the meter to
the back sheet of the touchpad.
The meter should read 0 ohms.
If it is open, the cable is bad.
4) Next touch the red probe
against the positive connector of
the touchpad and touch the
black probe to the center sheet
of the touchpad (accessed
through one of the drain holes
on the back side of the
touchpad). The meter should
read 0 ohms. If there is no
continuity, the cable is bad.
5) Refer to Section 4.6 to replace
the bad touchpad cable.
Figure 11: Bowing Banana Plug Pins