By Edwin Sherman
SAVE money and time WITH THIS state of the art advisor TO the most recent, so much complex DIAGNOSTIC apparatus and methods
“Ed Sherman is considered one of America’s nice lecturers and communicators of marine technology.”--Tim Murphy, government Editor, Cruising international
Whether you're a marine electronics expert or a boatowner, complex Marine Electrics and Electronics Troubleshooting is helping you already know the hot, extra strong equipment of troubleshooting marine electric and digital platforms. a contemporary boat’s subtle installations and networked electronics can stretch the normal diagnostic tools in accordance with difficulty lighting fixtures and multimeters earlier their necessary limits. This ebook will allow you to:
- Use microprocessor-based diagnostic instruments and methods from the car and communications sectors, tailored for boats for the 1st time
- Diagnose the main tough AC and DC difficulties
- Protect communications and navigation electronics from interference and lightning
- Seek out and cast off stray-current assets and galvanic corrosion
Read Online or Download Advanced Marine Electrics and Electronics Troubleshooting: A Manual for Boatowners and Marine Technicians PDF
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Extra info for Advanced Marine Electrics and Electronics Troubleshooting: A Manual for Boatowners and Marine Technicians
TDRs and circuit tracers eliminate all that work. When connected to one end of a pair of conductors (and it must be a pair), both devices bounce a signal between the two conductors. When the “bouncing” stops, a fault is indicated. But the similarities end there. Working from one end of the conductor, a TDR can also identify exactly how far down the wire run a problem is located. ) Tone-generating circuit tracers, in contrast, require access to the entire length of the wire. You connect the transmitter to one end of the conductors, then trace along the wire with the handheld receiver unit.
The bulb in the test light may glow, but is it glowing brightly enough? Only by measuring voltage drop can you really get a handle on the quality of a circuit and all its termination points. , how much voltage is “lost” in a circuit—there has to be at least some current flow. At one time, this test couldn’t be performed on an inactive circuit, but as noted earlier, the EXP generates its own signal, so this is no longer a problem. resistance (which is measurable) can cause a circuit to perform poorly or not at all.
Attach the red lead from the DMM lead on the positive side at the circuit’s source of power, and the black lead to the negative side. At the other end of the circuit, connect the red battery lead to the positive connection, and the black lead to the negative connection. After entering the amperage draw value for the circuit, hit the “Next” key. The device will test the circuit and display total circuit voltage drop. It will also display individual values for both the positive and negative return sides of the circuit, saving several steps compared to the use of a traditional multimeter.