5-6
A Guide to TracVision S3
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. Reinstall your preferred satellites as detailed in
Section 2.4.1, “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)
– Fig. 5-1
. 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 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 Molex connectors from J3 and J1
– Fig. 5-6
.
5. Remove the 4 standoffs
– Fig. 5-1
. Remove the RF
Detector PCB from the rotating plate.
RF Board
PCB
J3
J1
RF Connector to IRD
RF Connector to LNB
Fuse
J5
J11
J9
J2
J1
J4
Gyro
RF Board
Limit Switches
Cable Wrap
Elevation Motor
Azimuth Motor
Figure 5-6
PCB and RF Detector Board
Connector Locations
When replacing the PCB cover, be
careful not to pinch any cables.
