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Post originale di: arbaman ,

Testo:

I'd definitely replace u7700, no wonder  it might be the cause of the dim backlight. If you have corrosion in the area maybe there's some filth stuck under it. If you don't have a replacement try at least a reheat with quite a bit of no clean flux..touch it a little to confirm solder melting point, if it's just  residues it might get cleaned and kick back in properly.

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