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Author Topic: Power Connection for TR-7400  (Read 376 times)
AE0Z
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Posts: 14


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« on: February 03, 2003, 12:51:25 AM »

I have one of these radios on loan from a friend, he did not have a power cord for it.  Any information on the configuration?  It's a oval jack, two round pins ~ 1/4" apart.  I'd like to have the radio active for next weekend, but would not be able to buy "official" cable before that time. Any suggestions for homebrewing?
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Howard AE0Z
1 Peter 4:10
WB2WIK
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Posts: 20595




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« Reply #1 on: February 03, 2003, 04:37:45 PM »

One of the two pins connects to a source of 13.8Vdc, and the other pin is ground.

Use an Ohmmeter to test continuity between each pin and the TR-7400 chassis.  The one that measures a dead short to ground is the "ground" connection.  The other one connects to +13.8Vdc.

WB2WIK/6
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