KVH Industries TracVision 6 User Manual Page 57

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56
TracVision 6 Technical Manual
Replacing the Main PCB
1. With a PC connected to the switchplate’s
maintenance port, apply power to the antenna unit.
2. Record the system serial number for later re-entry
(the serial number is listed at the beginning of the
startup sequence, as shown in Appendix D on
page 79).
3. Disconnect power from the antenna unit and the
IRD.
4. Remove the PCB cover, as explained in “Removing
the PCB Cover” on page 54.
5. Disconnect all Molex connectors from the main PCB
(see Figure 4-3).
6. Remove the nine #6-32 screws that secure the PCB
to the antenna frame (see Figure 4-4).
7. Remove the PCB from the antenna frame.
8. Reverse this process to install the replacement
PCB. Reconnect all connectors removed in Step 5.
9. Reinstall the PCB cover.
10. Apply power to the antenna unit.
11. Type
HALT<cr> (<cr> indicates a carriage return/
ENTER key).
12. Type
DEBUGON<cr>.
13. Type
=TVG6HP<cr>.
14. Type
=SERNUM,<serial number><cr>, where
<serial number> = the system serial number you
recorded in Step 2.
15. Type
ZAP<cr> to restart/reinitialize the system.
16. Calibrate the antenna gyro as explained in
Calibrating the Antenna Gyro” on page 59.
17. Reinstall your selected satellites as directed in
Section 2.7, “Installing Satellites to Track” on page 29.
Refer to Section 3.5, “Computer
Diagnostics” on page 47 for
complete details on connecting a
PC to the system via the
maintenance port.
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