L3 Comminications SERIES 5000 Operation And Maintenance Manual - page 260
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283
Problem Troubleshooting
D-57
D.11.2 Spare Boards and Components
Listed in Table D-3 through Table D-6 are the recommended spare boards and
components.
Table D-3:
TPU Spares
QTY
DESCRIPTION
1
Demultiplexer board
1
DSP board
1
TPU CPU board
1
Power Supply board
10
Towfish fuses
6
AC fuses
Table D-4:
Towfish Spares
QTY
DESCRIPTION
1
Multiplexer board
1
Transmitter board
1
Receiver board
1
Sensor Interface board
1
Compass assembly
1
Towfish Power Supply
Table D-5:
Multiplexer Board Components
QTY
PART NO.
DESCRIPTION
1
MC7905ACT
-5volt regulator
1
MC7805ACT
+5volt regulator
1
10uH Coil
L5
4
3.0 ohm 1 watt
resistors
4
4.7 ohm 1 watt
resistors
4
10 ohm 1 watt
resistors