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www.saferoads.com.au
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sales@saferoads.com.au
Australian Version 3.1
June 2020
Page 47
Motherboard (CPU) Removal
1.
Open the display case as outlined on page 43 of this manual.
2.
Using needle nose pliers remove the two fuses located at the bottom right hand corner of the Display Panel
Case to ensure no power is connected to the circuit.
3.
Label the eight wires on the terminals on the motherboard as in Figure 70.
4.
Using a small Phillips head screwdriver unscrew, disconnect the wires from the motherboard
(CPU) in the following order:
a.
Battery Power Red (+)
b.
Battery Power Black (-)
c.
Solar Panel Power Red (+)
d.
Solar Panel Power Black (-)
e.
Load Red (+)
f.
Load Black (-) (if 150MM VMS)
g.
LED Sign Black (-) (if 150MM VMS)
h.
LED Sign Red (+)
Figure 70