Figure 2-55.--Simplified FFG FSEE power distribution.
POWER SUPPLY
is routed through the FSEE via interconnecting
cables. The dc power is routed to dc power
The two different models of the FSEE use two
distribution assemblies A3 and A4. The A3 and
different power distribution sets. A major
A4 assemblies are identical and distribute all dc
difference between the two model FSEEs is that
power for the FSEE circuits. The A3 assembly
the FFG FSEE uses a 115-volt ac input and only
distributes dc power to circuit card module
distributes power, while the other model FSEE
assembly Al for the 1A GTE, and the A4
generates all FSEE voltages from a 28-volt dc
assembly distributes dc power to circuit card
input. The following is a basic overview of the
module assembly A2 for the 1B GTE.
power distribution of the two different FSEEs.
The 115-volt, 60-Hz ac power is routed to
For a detailed functional description of these
ac power distributor assembly A5. The A5
FSEEs, refer to Volume 1, Part 1, of the LM2500
assembly filters and distributes the ac power to
Technical Manual, S9234-AD-MMO-010.
the flame detectors, ice detectors, and ignition
exciters of both engines.
FFG FSEE Power Distribution
CG, DD, and FSEE
The power requirements for the FFG FSEE
Power Distribution
(fig. 2-55) are supplied by the ship power supplies.
It requires +5 volt dc, +15 volt dc, 15 volt
This model FSEE also has the power circuitry
dc, +24 volt dc, + 28 volt dc, and +115 volt ac
for two GTEs. The power requirements for all
inputs to operate the various GTE systems. Power
the FSEE equipment are supplied by a 28-volt
2-51
