54 Chapter 3 Disassembly/Assembly Procedures and Parts List
the Ext Out and Ext Trig connectors on the rear panel. Move the cable
out of the way.
8. Unplug the 2-pin cable from socket P3. This cable is connected to the
fan. Move the cable out of the way.
9. Unplug the two black striped white wires from the AC power filter on
the rear panel. Move the wires out of the way.
10. Unplug both sets (four cables) of the blue and grey fiber optic cables
from the Outguard Power Supply Assembly. These cables connect the
A/D Converter and Inguard Logic assembly to the Outguard Power
Supply assembly. Move the cables out of the way.
11. Use the #TX10 Torx driver to remove the two screws on the power
supply regulator heat sink.
12. Use the #TX10 Torx driver to remove the two screws on the Outguard
Power Supply assembly.
13. Push the Outguard Power Supply board toward the front of the
instrument, as far it will go. Then lift it up and away from the
instrument.
Installation Procedure 1. Line up the slots on the Outguard Power Supply board with the sheet
metal hook tabs on the chassis. Make sure the board is as far as
possible toward the front of the instrument.
2. Place the board on top of the chassis. Then push it all the way to the
rear of the instrument.
3. Use the #TX10 Torx driver to install the two screws on the power
supply regulator heat sink.
4. Use the #TX10 Torx driver to install the two screws on the Outguard
Power Supply assembly.
5. Plug in both sets of the blue and grey fiber optic cables into the
corresponding sockets on the Outguard Power Supply assembly.
6. Locate the two black striped white wires. Connect the wire from
"LINE" to the left terminal (as seen from the instrument's front) of the
filter. Connect the "NEUTRAL" to the right terminal on the filter.
These connections are also shown on a drawing on the Outguard
Power Supply assembly. The drawing is located toward the rear of the
board near ac line select switches.
7. Locate the 2-pin cable connected to the fan. Plug the cable into socket
P3.
8. Locate the 4-pin cable connected to the Ext Out and Ext Trig
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