Furuno GP-1650W color GPS plotter, S/N 4374-2221 with FJIA1ES5 Ver.01 C-Map NT card: Display color looks washed out and is very hard to read over most of the screen - I suspect it has moisture in it. This problem began after a night of hard rains. and didn't clear up after more than 18 hrs of use. Brilliance and tone adjustments don't fix the problem, but they do change the display colors.. It functions in all modes, but is very difficult to read. This unit is used on a center console boat in the SoPacific (heat, rain, sun, no cold), but I have it here in CA so it can be repaired before returning it to the boat. What's the fix?
Usually it happen when the furuno gets older as of this model
moisture could happen and also the heat cause by back light of the screen
i have repair this model, as a marine technician i usually encounter
the polarizer sheet screen coating,u see big and small white spot or rainbow or some an even colour on the mapsource.if it is the answer
u need to replace the two polarizer sheet one at the back of the lcd
and one in front.
You need to determine if it's moisture or damage to the protective coating on the LCD glass. If the screen coating is damaged it will have patches or discoloration that resemble water spots like you see on windows and glasses exposed to hard water. If it's moisture between the glass and LCD you should be able to make out the tiny water droplets that are evenly spread throughout the screen. The only proper fix for a glass with damage to the protective coating is replacement of the bezel assembly. If it's moisture you can try inserting a few silica gel packs inside the unit. Don't try to disassemble the bezel (LCD/Screen) assembly. Just but the gel packs inside the 1650 chassis and give it a day or two. Otherwise, you're looking at factory repaire.
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