Key/Joystick Problems; Side Keys - Sony Ericsson K500 Series Troubleshooting Manual

7 Key/Joystick Problems

•
Make a general visual inspection for misuse, corrosion or oxidation from liquid damage
according to point 1.2
7.1

Side keys

•
Turn on the phone. Go to the service test menu; choose "Keyboard". Press all the side
keys. The pressed key will be indicated in the LCD and a DTMF tone is heard.
•
Check if the camera button + volume button (Fig. 7.1), the internet access button (Fig.
7.2), and the on/off button (Fig. 7.3) are working properly and if the mechanical response
feels normal. Replace the faulty component if necessary.
•
Check if the flex film volume and camera keys (Fig. 7.4) and flex film internet access key
(Fig.7.5) are mechanical damaged or dirty. Replace the faulty component if necessary.
•
Check if the FPC Connectors 4 pin (Fig. 7.6), are closed properly and if the flex films are
mounted right in the FPC connectors.
Note: It is important to place the zif tape correct after checking the zif connectors.
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 directives.
Fig. 7.1
Fig. 7.4
4/00021-1/FEA 209 544/86 D
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, SP/Mechanical
Fig. 7.2
Fig. 7.5
Fig. 7.3
Fig. 7.6
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