Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
13(57)
Problem Areas: Illumination
1.5.2 XPERIA logo Illumination
Check:
Inspect the illumination window of the XPERIA logo on the
Cover Front Assy.
Action:
If dirty
– clean it.
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.
Check:
Inspect the BtB connector of Key Flex FPC to the Sub Board
Assy.
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 two BtB connectors or the FPC of Key Flex FPC is
damaged
– replace the Key Flex FPC.
