Troubleshooting Guide (mech)
1266-5087 Rev 1
Sony Mobile Communications AB
– Company Internal
35(57)
Problem Areas
1.19 Proximity Switch
1.19.1 Proximity switch malfunctions
Check:
Inspect the proximity switch window area and the proximity
sensor window area on the Cover Front Assy.
Action:
1. If dirty
– clean it.
2. If the end user has complained about unexpected
behavior of the proximity sensor - Calibrate the P-sensor
1262-6643 Trouble Shooting Application
– mechanical.
3. If scratched or damaged
– replace the Cover Front Assy.
Check:
Inspect the BtB connector of the RCV Flex FPC to the PBA.
Action:
1. If not properly connected
– disconnect and reconnect.
2. If dirty or oxidized
– clean it.
Check:
Inspect the proximity switch and proximity sensor on the
RCV Flex FPC.
Action:
1. If dirty
– clean it.
2. If the BtB connector, the proximity switch or the proximity
sensor of the RCV Flex FPC is damaged
– replace the RCV
Flex FPC.
3. Replace board.
