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

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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Sony Ericsson Spiro W100i Earpiece Speaker Problem Repair Guide

Here's the Sony Ericsson Spiro w100i,W100a solution for not working earpiece speaker. This repair guide provides some simple step by step procedures on how to fix the earpiece speaker problem.

Sony Ericsson Spiro W100i Earpiece Speaker Problem Repair Hints:
1. Check the Earpiece Speaker using a multimeter, clean if oxidized or replace if found damaged.
2. Check the Flex ribbon cable wire, replace if damaged.
3. Check or replace the filter coils and capacitors.

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Sony Ericsson Spiro W100i LCD Screen Display Problem Repair Solution

This repair guide covers for Sony Ericsson Spiro W100i, W100a Display problems on LCD Screen. The following guide below shows which particular components needs to be check first if a display occurred such as garbled, white, saturated, blank or empty screen displays.

For display problems repairs,if the LCD screen is not damaged, broken or cracked, you may try to restore or flash the device firmware firmware first before doing doing any hardware troubleshooting. If the problem still exists and confirmed that the the phone's firmware is okay, you may then proceed into hardware troubleshooting procedures.

Repair hints on Sony Ericsson Spiro LCD Screen Display Problems.
1. Check the LCD Screen Module, have a new LCD screen replacement if damaged.
2. Check the LCD flex ribbon cable wire, replace if damaged.
3. Check the Flex Pin Connectors, clean if oxidized, resolder and replace if necessary.
4. Check the upper keypad PCB board. Replaced if damaged.
5. If the above procedures won't fix the problem, re-hot or rework the CPU IC.

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Sony Ericsson Spiro W100i,W100a Keypad Problem Jumper Ways Solution

This repair guide may help fix the Sony Ericsson Spiro W100i,W100a not working keypad problem.
This solution may works if you already cleaned the Keypad matrix and the keypad membrane but nothing happens and the keypad keys still doesn't work.

Observe the solution below for it shows the connection line paths of each particular keys of Sony Ericsson W100i and W100a phone.

This solution also includes which components needs to be check and replace such as the two keypad filter IC's and 0 ohms resistors. Just locate this components on the Sony Ericsson W100i or W100a PCB board. Just check and then replace these components if found damaged.

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