Sony Ericsson Spiro W100i Volume Up/Down Button Switch Repair Manual

10:41 PM  Katherine  

IF having problem with the volume UP/Down control button switch of Sony Ericsson Spiro W100i or W100a, you may refer to the solution repair guide below for it shows the connection paths of the volume switches. This may help if the solder pads of the volume key switches is damaged or lifted or it doesn't work at all, after changing or replacing it.

The volume up and down switches of Sony Ericsson Spiro W100i and W100a is connected to the Keypad filter IC and associated the keypad keys 1, 4, 7 and * star. If both said keypad keys also doesn't work, you may then consider that the problem lies on a faulty EMI filter IC. Replacing it might well fix the problem.

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