21
Note
: Little or none of the blue tape on the flat cable is visible.
5.
Flexible Flat Cable (FFC) – Sensor Connectivity
Connect the FFC to the sensor according to the following guidelines:
•
Ensure that the FFC passes under the LED Wire that crosses over the sensor
Figure 11: LED Wiring - correct
Figure 12: LED Wiring - incorrect
•
Ensure slack of 3mm – 5mm on the FFC at the cable end adjacent to the sensor. The slack cable -
strain relief is necessary in order to prevent the flat cable disconnecting from the sensor
connector if the Touch Screen is subjected to vibration or movement, for example during
transportation
Figure 13: Flat cable-sensor: Slack LED PCB Wire - correct
Figure 14: Flat cable-sensor: Taught LED PCB Wire –
incorrect
6.
Repeat the above procedure (steps 1-5):
o
For the second sensor in a
Dual Sensor
system
o
For the three remaining
Sensors
in a
Quad Sensor
system
