Illumination; No Keyboard Illumination; No Navi Key Illumination - Sony Ericsson W395 Troubleshooting Manual, Mechanical

Problem Areas
1.3

Illumination

1.3.1 No keyboard illumination

Check:
Visually inspect the keyboard and the Main Key Dome Assy
Action:
1. If damaged – replace keyboard and/or Main Key Dome
Assy

1.3.2 No Navi key illumination

Visually inspect the Upper Keypad Assy (a) and the Navi
Key Assy (b)
Action:
1. If damaged – replace the Upper Keypad Assy (a) and/or
the Navi Key Assy (b)
Check:
Inspect the H-H FPC connection to Upper Keypad Assy and
PBA
Action:
1. If the connectors (c) and (d) are dirty or oxidized – clean
them
2. If improperly connected – re-establish proper connection
3. If H-H FPC is damaged – replace the H-H FPC
4. If the problem is not resolved – send to higher level of
repair
1223-6752 Rev 1
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Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
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