D.11.1 Recommended Test Equipment - Klein 5000 SERIES Operation And Maintenance Manual

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D-56

APPENDIX D General Setup, Configuration and Troubleshooting

After a cable problem and the correction of the cable problem the ERROR and

LOCK LOSS lights are on. Do the following:

• Check the towfish fuse.

• Check the 200 VDC.

• Check that R80 is 4.7 ohms.

• Check the waveforms at TP4 and TP6 on the Multiplexer board.

• Check the diodes in the hybrid circuit.

• Replace the Demultiplexer board in the TPU.

• If you are using fiber optics, check that you have 5 volts in the

shackle termination.

D.11.1 Recommended Test Equipment

The following equipment is recommended when servicing or performing

troubleshooting operations.

• Fluke 87 multimeter

• Tektronix TDS 3014 4-channel digital oscilloscope

• Hewlett Packard 4194A impedance / gain – phase analyzer with

measurement unit

• Terminal program such as HyperTerminal

• Small flat blade screwdriver for adjustments

• Medium phillips head screwdriver for #4, 6, 8 screws

• 5/16-inch socket and ratchet head

• #4 hex T handle wrench

• #8 hex wrench

• ¾-inch wrench

• Flat blade screwdriver about 5 inches long for #4 screws

• Wire cutters

• 1-inch wrench

• 9/16-inch wrench

• 9-pin to 9-pin null modem cable

Series 5000 Sonar System Operations and Maintenance Manual

P/N 11210060, Rev. 16

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