KVH Industries TracVision Land Mobile Antenna Guide

LNB Replacement Instructions
1
1. Turn off the antenna and remove the appropriate
vehicle fuse to disconnect power. Ensure power is
removed from both the antenna and the receiver
or multiswitch connected to RF1.
2. Remove the 8 screws securing the radome (see
Figure 1). Remove the radome and set it aside in a
safe place.
Figure 1 Radome Screws
If you need technical assistance,
please contact KVH Technical
Support:
Phone: [phone]
E-mail: [email protected]
Internet: www.kvh.com/help
54-0310 Rev. A
Tools Required
•Phillips-headscrewdriver
•Needle-nosepliers
LNB Replacement Instructions for a
TracVision®Land Mobile Antenna
The following instructions explain how to replace the LNB
(low-noise block) in a TracVision Land Mobile Antenna.
Estimated Time to Complete:
1⁄2Hour
Before servicing the antenna unit,
remove the appropriate vehicle fuse
to disconnect power. Ensure power
is removed from both the antenna
and the receiver or multiswitch
connected to RF1.

2
3. (European systems only) Note the current LNB
skew angle (see Figure 2).
Figure 2 LNB Skew Angle Setting (European Systems Only)
4. Disconnect the RF cable(s) from the LNB.
5. Remove the wing screw and washer from the LNB
clamp (see Figure 3).
Figure 3 LNB Assembly
Tra cV i si on L an d M ob il e An t en na
Skew Angles
LNB Clamp
& Wing Screw
Scribe
Mark
LNB
Wing Screw
and Washer
LNB Clamp
European
N. American
LNB Styles

LNB Replacement Instructions
3
54-0310 Rev. A
6. Remove the top of the LNB clamp and remove the
LNB.
7. Place the new LNB in the clamp and reattach the
RF cable(s).
8. Replace the LNB clamp:
A. For a North American LNB, tighten the clamp
fully and skip to Step 10.
B. For a European LNB, do not fully tighten the
clamp and proceed to Step 9.
9. (European systems only) Carefully turn the LNB so
that the scribe mark is aligned with the skew angle
that you noted in Step 3 (see Figure 2). Then fully
tighten the clamp to complete the replacement
process.
10. Replace the vehicle fuse you removed in Step 1
and connect power to the antenna and receiver.
The LNB replacement procedure is now complete!
IMPORTANT! Before returning the LNB, be sure to obtain an
RMA number from KVH’s Technical Support Department and
write the number on the outside of the box. Shipments received
without an RMA number will be returned to you at your
expense.