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Old Furuno screen repair

Old 06-30-2020, 03:51 PM
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Default Old Furuno screen repair

I have an old (very) Furuno FCV 600L sonar unit in which it seems the LCD polarizing filter has distorted from heat over the years. The center area of the screen has a wavy, slightly dull, burned appearance to it. It makes it hard to read on a bright sunny day.

I realize this thing is an antique, but with my business being slow from Covid, it being all wired in to a large through hull transducer I have no interest in replacing, and the fact that it actually still works quite well for reading the bottom, I'm in no huge hurry to replace it. I'm sure guys will laugh at me for running such an antique, but regardless, does anyone have any experience taking these apart and replacing the filter? Is it a simple task I could do at home with basic electronic repair skills (including soldering if I need to unhook connections for the screen)?

Thanks.
Old 06-30-2020, 05:32 PM
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It's rather simple to replace the polarizing film. No soldering required. I did it on an old Furuno 1733 I had. Just have to be certain you order the high temp film and insure the film orientation is correct. There is a guy in here that put together a tutorial. Let me see if I can find it and post the link for you.
Old 06-30-2020, 05:40 PM
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Furuno Fish Finder LCD Display How to Repair DIY
Old 07-01-2020, 08:43 AM
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Just what I needed! Thanks for the link.
Old 07-01-2020, 08:54 AM
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These guys are great too... can repair just about anything.

https://maxmarineelectronics.com/


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