Programming: Software Upgrade And Flexing - Motorola W370 Service Manual

Troubleshooting
Level 1 and 2 Troubleshooting Chart (Continue)
Symptom
7. Phone will not recognize or accept SIM
card.
8. Keypad not functioning.
9. Vibrator feature not functioning.
10. No or weak audio when using
headset.
11. Camera module not functioning. (for
W375)

Programming: Software Upgrade and Flexing

40
Probable Cause
SIM card defective.
Keypad defective.
a) Vibrator faulty.
b) Vibrator defective.
a) Headset plug not fully pushed.
b) Headset defective.
Camera module defective.
Contact your local technical support engineer for information about equipment and procedures
for flashing and flexing.
Check the SIM card contacts for dirt. Clean if
necessary, and check if fault has been
cleared. If the contacts are clean, insert a
known good SIM card into the phone. Power
up the phone and confirm that the card has
been accepted. If the fault no longer exists,
replace the defective SIM card.
Use alcohol to wipe the keypad metal dome.
Check if fault has been cleared. If the fault is
still present, either replace the keypad or refer
to a Level 3 Service Center for the keypad
metal dome replacement.
Check general condition of vibrator. If it is
good, proceed to b.
Replace the defective vibrator.
Ensure the headset plug is fully seated in the
jack. If the seated is OK, proceed to b.
Temporarily replace the headset with a known
good headset. Ensure good seated. Place a
call and verify improvement in headset audio.
If fault is cleared, replace the defective
headset.
Replace the camera module as described in
the procedures. Verify that the fault has been
cleared and reassemble the phone with the
new camera module.
Aug.15, 2006
W370\W375
Verification and Remedy