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Introduction
This guide shows how to test an RCA cable with a multimeter, to check for continuity and detect any potential insulation faults.
What you need
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Take a multimeter, set it to the setting for insulation and continuity tests, then press "Select" to set it to an ohmmeter.
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Plug the black banana-type cable into the COM port.
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Place the red banana cable on the resistance measurement port as in photo number 1.
Ask FixBot
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Perform an insulation test between the tip and the sleeve of the cable. To do this, position the red cable on the sleeve and the black cable on the tip. The device should normally display OL or "---". If a value is displayed, your cable has a fault. Perform this step on all cable end caps.
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In order to perform the test, place the ends of the banana cables on the tip plug of the RCA cable. At this time you will see 03.0 Ohm appear on your Ohm meter but you will also hear a beep (photo 1).
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Then place the ends of the banana cables on the sleeve of the RCA cable. If you observe the indication OL, this indicates that the device is measuring a resistance that is too high and therefore that the cable is severed. If you get a beep or a result other than OL or "---", your cable is in good condition. You can therefore move on to the next step.
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