Sony C2104 - Page 7

Troubleshooting Guide (mech)
1273-2281 Rev2
 Sony Mobile Communications AB –
Company Internal
7(48)
Problem Areas
2. If the on/off key is damaged – replace the Power Key.
Check:
Inspect the on/off key dome on Side FPC.
Action:
1. If dirty or oxidized – clean it.
Check:
Inspect the BtB connector on Side FPC to Main PBA.
1. If not properly connected – disconnect and reconnect.
2. If the Side FPC is defective, replace the Front Housing
LCM TP Assembly.
3. Replace Main PBA.
Note: Calibrate the Touch Panel/P-sensor/L-sensor 1275-0758
Trouble Shooting Application – mechanical.