Even the Yamaha Fz6SS is not exempted from the harsh power of ultraviolet rays. Here you can see the problem at the center of the instrument panel gauge. If this happens, the lcd display is no longer visible.
Repairing this kind of problem is a no brainer. The polarizing film of the lcd needs to be replaced, but by analyzing the speedometer itself. There is no screws to open it. Instead, the back cover is GLUED on top of the front cover.
So how it can be opened. By cutting the casing in half using a dremel and a mini cutting disc. Inspect the case and you will be able to spot where to begin cutting by following the area where the possible location of the two cases meet up. It is visible.
So after opening the casing. Not just a LCD sunburn was the problem. The unit got some water marks on the mainboard means water penetrated inside.
Corrosion starter and some smd resistors was eaten by oxidation. Cleaning the board is a must using ISO ALCOHOL for electronic board. Do not use 70% iso. It has water content. Use the pure one to remove those water oxide to stop damaging the board even further.
Removing the lcd does not need solderingnor desoldering. It uses rubber contact to the board secured by metal frame. After removal this photo shows the center area burned. Back polarizing film is the damage part.
Be extra careful when frying the old film. The LCD is so thin and can break easily. PATIENCE is the key. 45 degree film is needed.
After replacing the film should now look like this.
Disclaimer: THIS IS NOT A DIY kind of thing. If you have problems like this seek a know how person to this for you. If the LCD BREAKS by mishandling. There is no replacement and the unit will be wasted.
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