Nautel NX50, Troubleshooting Manual, Page: 96 / 205

NX50 Troubleshooting Manual Responding to alarms
Page 1-86 Issue 6.0 2019-04-01
Touchscreen Monitor Replacement
Figure 1.22: Backside of Cabinet Front Door
1. Open the front door and remove the board cover (see Figure 1.22 ) to expose the 12 V
power supply connection to the Single Board Computer. The cover is secured using
seven (7) M4 nuts, split washers and flat washers. Retain all hardware.
2. Disconnect the power connector from CPU 12 V1 (see Figure 1.23 on page 1-87 ) to
remove the power supplying the Single Board Computer. Failure to do this step
could result in hardware damage.
3. Disconnect the three (3) cables connected to the LCD touchscreen monitor (i.e., 12 V
power, VGA, and Serial/COM).
4. Remove the four (4) brackets securing the monitor (see Figure 1.22 ) and retain all
hardware (M4 nuts, split washers and flat washers). Remove the defective monitor.
5. Obtain a replacement monitor (Nautel Part # UR108). Reverse Step 1 through Step 4
to install.
NOTE:
The SBC assembly is static sensitive and can be damaged by electrostatic
discharge. Observe the static precautions described in “Electrostatic protection”
on page 1-3 at all times.
THREE BRACKETS SHOWN,
FOURTH UNDER BOARD COVER
SBC BOARD COVER