Sony Ericsson XPERIA X10 Mini Pro U20i Troubleshooting Manual page 9

Problem Areas: Keys
Check:
Inspect the Front Key FPC on the Front Cover Assembly.
Action:
If the Front Key FPC or its ZIF connector is damaged –
replace the Front Cover Assembly.
Check:
Check the BtB connector of the PBA H2H Flex to the PBA.
Action:
1. If not properly connected – disconnect and reconnect
2. If dirty or oxidized – clean both sides of the BtB
connector.
Check:
Inspect the PBA H2H Flex.
Action:
1. If the PBA H2H Flex or its ZIF connector is damaged –
replace the PBA H2H Flex.
2. Send to higher level of repair.
1233-9027 Rev2
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Trouble Shooting (mech)
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