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5-6
A Guide to TracVision C3
7. The PCB is mounted to the rotating plate with
9 pan head screws. Remove the screws and PCB.
8. Reverse this process to install the replacement
PCB. Reinstall all cable connectors removed in
Step 6.
9. Carry out all calibration procedures for the
antenna gyro (Section 5.4.3).
10. Reinstall your preferred satellites as detailed in
Section 2.5.1, “Installing Your Selected Satellites.”
5.4.2 RF Detector/DVB Decoder
Estimated Time to Repair:
1
⁄2 hour
The RF Detector PCB receives operating voltages from both the
CPU board and the IRD (via the RF cable). Ensure that all power
is turned off before proceeding.
1. Remove the 4 RF board cover screws and washers
from the RF board cover.
2. Remove the RF board cover.
3. Remove the 2 RF connectors from the coaxial
fittings on the PCB. Tag the cables to ensure that
they are returned to the same connectors.
4. Remove the 2 Molex connectors from the RF board
(J3 and J1) – Fig. 5-6.
When replacing the PCB cover, be
careful not to pinch any cables.
RF Board
PCB
J3
J1
RF Connector to IRD
RF Connector to LNB
Fuses
J5
J11
J9
J2 J1
J4
Gyro
RF Board
Limit Switches
Power/Data
Elevation Motor Azimuth Motor
Figure 5-6
PCB and RF Detector Board
Connector Locations