Sony C2104 - Earphone

Troubleshooting Guide (mech)
1273-2281 Rev2
 Sony Mobile Communications AB –
Company Internal
17(48)
Problem Areas
1.7 Earphone
1.7.1 Earphone
Check:
Inspect the Receiver’s external port on the Front Housing
LCM TP Assembly
Action:
1. If clogged – clean it.
2. If the port is damaged – replace the Front Housing LCM
TP Assembly.
Note: Calibrate the Touch Panel/P-sensor/L-sensor 1275-0758
Trouble Shooting Application – mechanical.
Check:
Inspect the Receiver’s pins and the contact pins on the main
PBA.
Action:
1. If dirty – clean them.
2. If the pins of the Receiver are damaged – replace the
Receiver.
3. Replace Main PBA.