10. Maintenance
Spare Fuses
Radio Spare Fuses
The Aprisa SR+ radio PBA contains two fuses in the power input with designators F1 and F2. Both the positive
and negative power connections are fused. The fuse type is a Littelfuse 0454007 NANO Slo-Blo 7 A.
Two spare fuses are located inside the enclosure.
To replace the fuses:
1. Remove the input power and antenna cable.
2. Unscrew the enclosure securing screws (posi 2).
2. Separate the enclosure halves.
CAUTION: Antistatic precautions must be taken as the internal components are static sensitive.
3. Access the enclosure spare fuses under the plastic cap.
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