Sony Ericsson W850 Troubleshooting Manual, Mechanical page 27

Problem Area
Items to Check
Visually inspect whether the half to half
flex film is properly connected to its
connector on both PCB's
4/000 21-1/FEA 209 544/104 A
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical
Repair Action
•
If improperly connected – Re-establish
proper connection.
•
If half to half flex is damage – replace
it.
•
If Half to half BtB connector is
damaged – Replace navigation keyfoil
assy.
Reference Image
Half to half flex connector
27(42)