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Can power pins on fishfinder be repaired?

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Can power pins on fishfinder be repaired?

Postby pcbayou » September 10th, 2019, 9:44 pm

The pins on the back of my Lowrance Elite 5 appparently have gotten bent and won't mate with the plug from the transducer and battery. I've tried straightening them with no luck. I called Lowrance and was told the unit can't be opened for repairs because it would no longer be water-tight. Does that sound right to y'all? One fix, of course, would be to buy a new unit, along with a new transducer and cable. But I'd like to make do with this one for a little longer. Any ideas/suggestions?
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Re: Can power pins on fishfinder be repaired?

Postby fishinfool » September 11th, 2019, 6:35 am

Most anything can be repaired with enough time and money. You would need replacement pins, and or the male connector. Also a way to reseal the unit. I am told, most units are sealed with either a vacuum or positive pressure of nitrogen to help keep water out. I am not sure how they accomplish that with removable SD cards and such.
I imagine once the repair has been made you could reseal it with some kind of RTV gasket material or silicone sealant. The biggest problem as I see it would be finding the pins/connector.
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Re: Can power pins on fishfinder be repaired?

Postby Juan » September 11th, 2019, 6:52 am

If the pins are still intact and just bent, you might try to straighten them one at a time with a tiny screwdriver. Worked when I bent a few pins.
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Re: Can power pins on fishfinder be repaired?

Postby tabb » September 11th, 2019, 7:50 am

Just the power pin went bad on mine. I got one of my students that’s a good tech to go into depth finder pull the power wire drill a small hole and splice it into cord outside the unit. He sealed everything back up with silicone and it worked so far.
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Re: Can power pins on fishfinder be repaired?

Postby pcbayou » September 11th, 2019, 9:48 am

Thanks to all. It sounds like this won't be a quick fix. I may have to reallocate funds and consider buying a new unit. I see that Lowrance has a new line called Hook2 that is lower in price than the Elites. Maybe it has the features I would use most.
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Re: Can power pins on fishfinder be repaired?

Postby procraftwes » September 11th, 2019, 10:34 am

Ive fixed them and even fixed some broken solder joints inside the units themselves. I'm no expert so when I took mine apart it was 50/50.

It most certainly can be fixed by anyone who's decent with a soldering iron.
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Re: Can power pins on fishfinnoughder be repaired?

Postby pcbayou » September 11th, 2019, 11:00 am

Thank you, procraftwes. 50-50 could be just close enough.
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Re: Can power pins on fishfinder be repaired?

Postby silverking » September 11th, 2019, 2:10 pm

I've straightened pins using a small pair of needle nose pliers and a metal tube slid over the end. You have to be slow and incremental or you run the risk of breaking them off.

If a repair isn't possible and you are forced to buy a replacement, you might want to read the reviews on the Hook series. It's an entry level vs. the Elite like you have. Not as fast a processor which affects mapping, refresh, etc.
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Re: Can power pins on fishfinder be repaired?

Postby pcbayou » September 16th, 2019, 7:31 pm

Thanks, Silverking. I've tried straightening the pins with no luck. I took the back off of the unit to see if I could straighten them from the other side. But they're part of a printed circuit board, and there's no way to get to them. I have seen the Lowrance Hook series online, but I haven't been able to put my hands on one. It sounds like it has the features I use most. By the way, thanks for your earlier guidance on the Tsunami Shield surf reel. I found a good deal on one at Half Hitch, and I really like it so far.
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Re: Can power pins on fishfinder be repaired?

Postby Juan » Yesterday, 6:31 am

pcbayou wrote:Thanks, Silverking. I've tried straightening the pins with no luck. I took the back off of the unit to see if I could straighten them from the other side. But they're part of a printed circuit board, and there's no way to get to them. I have seen the Lowrance Hook series online, but I haven't been able to put my hands on one. It sounds like it has the features I use most. By the way, thanks for your earlier guidance on the Tsunami Shield surf reel. I found a good deal on one at Half Hitch, and I really like it so far.


I'm a big Lowrance fan too but if you use the gps mapping much, beware of the Hook series. The processor speed is slower than other models which means it takes too long to update the screen and your boat might out run the graphics.
BTW: Is the Calloway ramp back to normal yet?
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Re: Can power pins on fishfinder be repaired?

Postby pcbayou » Yesterday, 7:40 am

Thanks, Juan. That’s a good caution about the Hook series. I’ve moved from Callaway, so I’m not sure about the ramp. I’ll swing by and check it out.
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