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What's wrong with my Lowrance depth finder?
Posted on 3/10/14 at 3:51 pm
Posted on 3/10/14 at 3:51 pm
My Lowrance HDS 7 depth finder has been acting up and I can't figure out what the problem is. It works about 10% of the time, but the rest of the time it looks like the pictures below or it doesn't work at all. I've tightened every connection I can think of and messed with the Ping speed and it hasn't helped. Everything on the unit works except sonar. Anybody experienced this before?
3
Posted on 3/10/14 at 3:56 pm to Yeti
quote:I had an issue with mine not coming on or turning off when I started the engine. I pulled the connections at the rocker switch and scrubbed everything with a wire brush and contact cleaner. Been working great ever since. Also cleaned as best i could the plugs that go into the back of the unit. They looked pretty bad.
I've tightened every connection I can think of
Posted on 3/10/14 at 4:01 pm to AlxTgr
I'll have to try that. There isn't much room behind the unit to fool with the wires, but I've tightened them the best I can. The way the vertical lines show up, I've always thought it was a connection issue. I've never had any issues with the unit not getting power though.
Posted on 3/10/14 at 4:06 pm to Yeti
quote:Oh, well yeah. Work on the other wire and connection then.
I've never had any issues with the unit not getting power though.
Posted on 3/10/14 at 4:09 pm to Yeti
Try disconnecting transducer sensor and see if that clears the screen up. It the first plug on your left when you looking at the back. 
Posted on 3/10/14 at 4:18 pm to Yeti
Posted on 3/10/14 at 4:24 pm to hogdaddy
Thanks
Posted on 3/10/14 at 4:26 pm to Yeti
That looks like a video card issue... if they have video cards. I don't know...
I know I had a laptop look exactly like that, and the fix was replacing the video card.
I know I had a laptop look exactly like that, and the fix was replacing the video card.
Posted on 3/10/14 at 4:53 pm to Clyde Tipton
quote:Never heard of that. I'll look through that manual and see if its in there
video card issue
Posted on 3/10/14 at 4:54 pm to Yeti
looks like a transducer or the cable/connector for it...could also be where the cable is routed next to something causing interference...
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