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SLM-3650 Satellite Modem
Installation
2.4.4.1
Install Turbo Board and Firmware
1. Disconnect the AC power to the unit.
2. Remove two side screws near front of the modem. Slide top cover back and lift
3. Card 1 Removal, refer to
4. Turbo installation, refer to
5. Firmware installation, refer to
6. If step #3 is required, re-install the Overhead board with its seven mounting
7. Replace the Top Cover so forward edge mates under Front Panel lip. While
8. Turn on the AC power to the modem. Modem will re-initialize.
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off.
Figure 2-9
board), remove the four rear panel screws around the 50-Pin I/O switch
module. Unplug the I/O module, then remove the seven mounting screws
holding the Overhead board and carefully lift it off.
the SIMM sockets while holding it nearly vertical with components toward
Rear Panel. Seat the connector into socket and tilt board toward the Front Panel
until the spring clips lock the board into place.
sent with the Turbo Board, remove existing Firmware, U86 and U74 with
PLCC type IC puller. If puller is not available, use ice pick type tool to
carefully pry upward at opposite corners of IC.
Install the replacement Firmware, noting that the Dot mark should be oriented
toward the beveled corner of the socket before pushing the IC into the socket.
U86 is located next to the lithium battery NV-RAM (Large Black or Yellow
IC, U95). U74 is located in the center socket position.
screws then re-plug the I/O Module into the Rear Panel location and install its
four mounting screws.
holding in place, re-install the two side screws.
2-25
unit has top board (Card 1 – Overhead
. Align the Turbo board with either of
Figure 2-10
. If replacement Firmware IC's were
Figure 2-11
U86
U74
Revision 3
MN/SLM3650.IOM
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