L3 Comminications SERIES 5000 Operation And Maintenance Manual - page 246
Towfish
D-43
D.8.6 Towfish Bottle Electronics
The towfish bottle electronics is shown in Figure D-16.
D.8.7 Removing the Towfish Electronics
To remove the towfish
electronics:
1.
Remove the towfish nose
cone by unscrewing the
socket head cap screw in
the center with a 8-mm hex
key or driver. Once you
have the nose cone off you
will find the push/pull
assembly shown in
Figure D-17.
This assembly is used to
insert or remove the
electronics from the
pressure housing.
Positioned one way the
Table D-2:
Troubleshooting Chart—2P or 2S Connections
TRANSDUCER
CRYSTAL
10-PIN
BULKHEAD
2P/2S
RECEIVER
BOARD
TRANSMITTER
BOARD
TEST CODE
GND
1
7
—
Xtal 7
2
6
IN7
TX4
Channel 7
Xtal 8
3
1
IN8
TX4
Channel 8
Xtal 9
4
2
IN9
TX5
Channel 9
Xtal 10
5
3
IN10
TX5
Channel 10
Xtal 11
6
4
IN11
TX6
Channel 11
Xtal 12
7
5
IN12
TX6
Channel 12
Figure D-16:
Towfish Bottle Electronics
Figure D-17:
Push/Pull Assembly