Keyboard; Jog Dial - Sony Ericsson P900 Troubleshooting Manual

7.2 Keyboard

•
Turn on the phone. Go to the service test menu; choose "Keys". Press any key to verify the
keys function.
•
Check if the flip assembly (Fig. 7.6) is working properly; press all the buttons. A sound
should be heard. Check if the mechanical response feels normal and that all the keys have
been showed in the LCD. Replace the flip assembly (Fig. 7.6) if necessary.
If the fault still occurs, try to update the phone to the latest available software version. If this
doesn't solve the problem, handle the unit according to the local company or the GSP
directives.

7.3 Jog dial

•
Turn on the phone. Go to the service test menu; choose "Keys". Press any key to verify the
keys function.
•
Check if the jog dial (Fig. 7.7) is working properly, check all five directions. Replace the
jog encoder assembly if necessary.
If the fault still occurs, try to update the phone to the latest available software version. If this
doesn't solve the problem, handle the unit according to the local company or the GSP
directives.
4/00021-1/FEA 209 549/85 A
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Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, SP/Mechanical
Fig. 7.5
Fig. 7.6
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