Cbp45 Option Package - Standard Communications TVM Series Owner's Manual

Option Installation
1. Verify that the CBP45 package contains the parts shown in Figure 5-2.
Figure 5-2. CBP45 Option Package Contents
2. Remove the modulator power cord from the wall socket, and disconnect all
rear panel cables.
3. To remove the modulator top cover:
a. Remove the front mounting brackets.
b. Remove the screws from the side panel, toward the rear of the unit.
c. Remove the cover screw from the rear panel.
d. Remove the top cover.
4. Disconnect the coaxial cable from J303 on the IF combiner PC board (see
Figure 5-1). It may be necessary to remove the combiner board to get to the
connector. Move the disconnected end out of the way temporarily. Note that the
7-inch RCA-to-TMP cable in the CBP45 package is a spare for this cable.
5. Connect one end of the supplied 7-inch TMP-to-TMP coaxial cable to J303
on the IF combiner board. Connect the other end to JH51 on the CBP45
board.
6. Locate the supplied 2-pin connector with the red and brown wires attached.
a. Solder the red wire to jumper U9 on TVM PC board P800.
b. Solder the brown wire to jumper U8 on the same board.
c. Insert the 2-pin connector into socket JH53 on the CBP45 PC board.
7. Connect the RCA cable end disconnected in step 4 (or the 7-inch RCA-to-
TMP from the package) to JH52 on the CBP45 board.
8. Remove the two screws anchoring the rear of the up/down converter to the
chassis.
9. Align the CBP45 mounting holes (component side toward the rear panel) with
the up/down converter board mounting holes and reinstall the screws removed
in step 8.
10. Reinstall the modulator top cover.
11. Reconnect all cables removed in step 1.
Page 5-2 Owner's Manual TVM450/S/TVM550/S/TVM550II/TVM550IIS
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