Trouble Shooting Guide Repair Instruction Mechanical/
1235-7834
Rev 2
Sony Ericsson Mobile Communications AB
– Company Internal 20(25)
Problem Areas
1.14 BT/W-LAN (J10i2 only)
1.14.1 BT/W-LAN connection failure
Check:
Inspect the connection of two contact pins on the back of
the Display 2.2 TFT (a) and contact pads on the PBA (b)
Action:
1. If the contact pins are flattened
– gently use the Flex Film
Assembly Tool to lift them up higher than the surface
2. If the contact pins / contact pads dirty or oxidized
– clean
the contact pins / contact pads
3. Send to higher level of repair