Keys And Sensors - Sony Ericsson Satio U1a Troubleshooting Manual

Troubleshooting Flow
1.3

Keys and Sensors

Power On keys problems
Symptom:
X2821 if damaged
Replace:
Touch Screen problems
Symptom:
X2821 if damaged
Replace:
Volume Down key problems
Symptom:
X2902 if damaged
Replace:
Volume Up key problems
Symptom:
X2902 if damaged
Replace:
Mode Select key problems
Symptom:
X2902 if damaged
Replace:
Play / view key problems
Symptom:
X2902 if damaged
Replace:
Auto focus and Camera shutter problems
Symptom:
X2902 if damaged
Replace:
Lock key problems
Symptom:
S2500
Replace:
Light Sensor problems (no changes in display illuminations when covering light sensors)
Symptom:
X2821 if damaged
Replace:
N4180
Proximity Sensor problems (Display Illuminations does not turn off in a call when the
Symptom:
sensor are covered)
X2821 if damaged
Replace:
Accelerometer problems
Symptom:
N2800
Replace:
Camera cover detect problems
Symptom:
X2842 if damaged
Replace:
1230-3676 Rev2
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Sony Ericsson Mobile Communications AB – Company Internal
vision check A2 and B1-B3
vision check B14-B17
vision check B2 and B4
vision check A2 and B3
vision check A4 and A6
vision check A5 and B4
vision check A2,A6 and B3
vision check B12-B13
vision check B18-B25
vision check B1-B3 and B10
Trouble Shooting Guide (elect)
5(13)