Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
7(57)
Problem Areas: Keys
Check:
Inspect the BtB connector of Key Flex FPC to the PBA.
Action:
1. If not properly connected
– disconnect and reconnect.
2. If dirty or oxidized
– clean the both sides of the BtB
connector.
3. If the key camera switch, the BtB connector or the FPC of
Key Flex FPC is damaged
– replace the Key Flex FPC.
4. Replace board.
1.2.3 Volume Key
Check:
Inspect the external area of the Key Volume.
Action:
If dirty
– clean it.
Check:
Inspect the Key Volume (a) and the key volume switch (b).
Action:
1. If dirty
– clean them.
