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CHAPTER 6 System Troubleshooting
HydroChart 3500 Sonar System Operations and Maintenance Manual
P/N 11210087, Rev. 03
4.
Using a digital multimeter, check the pin to pin continuity of each of the deck
cable conductors between the pins of the dry connector and the underwater
connector. The deck cable is a straight through cable, therefore the
corresponding pins of each connector are connected. The connector pin
orientations for each connector is shown in Figure 6-1.
5.
Except for pin 2, if one or more of the measurements show an open circuit or a
high resistance, the deck cable may need to be repaired or replaced.
If all of the measurements, except for pin 2, show that the pins are connected,
continue with Step 6.
6.
Reconnect the deck cable to the TIU and to the jumper cable connector on the
Sonar Head Unit, making sure each connection is tight and secure.
7.
Reconnect the power cable to the TIU and to the power source.
8.
Turn on the TIU and check the power/transmit indicator. If it still does not
operate properly, contact Klein Marine Systems, Inc. at (603) 893-6131 or
your KMS sales representative.
NOTE
Pins 2 of the deck cable connectors are not connected, therefore they
will measure as an open circuit.
Figure 6-1:
Deck Cable Dry and Underwater Connector Pin Orientations, Face View
Dry connector
Underwater connector
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