KVH Industries TracVision G4 Technical Manual page 104

The antenna unit's printed circuit boards (PCBs), gyro, LNB,
elevation motor, and elevation drive belt may be removed and
replaced on site using common hand tools. Other TracVision G4
service must be done by your authorized dealer/installer,
distributor or by KVH. Evidence of tampering or unauthorized
repairs will void the warranty. The following sections provide
step-by-step procedures for removing and replacing field
replaceable units.
Figure 5-1 depicts the location of a number of components within
the TracVision G4 antenna unit.
Elevation Drive
Motor Assembly
PCB Cover
and CPU
54-0147
U.S.-style
LNB
TracVision G4 components
receive power from multiple
sources. Do not open any
electrical assemblies or attempt
servicing until IRD power and
vessel input power are
disconnected.
Figure 5-1
TracVision G4 Antenna Unit
(Baseplate Cut Away)
European LNB
Antenna Gyro
RF Board and Cover
Antenna Support Frame
Maintenance
105