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Trouble Shooting Guide, Electrical
4/00021-2/FEA 209 544/74 A
Sony Ericsson Mobile Communications AB
8(12)
6 Key Problems
• Use the Service Test menu, choose Service tests/Keyboard.
• Make sure if it is the Keyboard that causes the problem. Check keyboard pads and key
domes for damage, dust, dirt, moisture and oxidation. Clean if needed.
• If it is the Keyboard that causes the problem, replace the Keyboard.
6.1 Volume Switch does not work
• Check Volume Switch soldering.
• If Volume Switch that causes the problem, replace the Volume Switch (Fig. 6-1.)
If the fault still remains, handle the unit according to local directives.
Figure 6-1