
C903
1228-1147 rev. 1
TROUBLESHOOTING
Vibrator Problems
T
R
O
UBL
ESHOOT
ING
- Real Time Clock Problems
START
Step 1:
Load ETS SW into the Phone
Step 2:
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
Vibrator Test
2.7V – 3.5V
Pk-Pk Pulses DC at
MP 85 (C4208)
Replace
B4200
Yes
Is C4208
Short circuit
No
SL 5 Replace
C4208
SL 4 Escalate
Yes
SL 5 Replace
N2000
SL 4 Escalate
No
Vibrator Problems
START
Does
the phone
gain or lose
time
Perform:
SERP Calibration
Yes
Is there
still problems with
gaining or losing
time
SL 5 Replace
B2100
SL 4 Escalate
No
Claim
SERP Calibration
Yes
Perform:
Backup Capacitor
Test
No
Is the
Test Passed
Flash the Phone with
EMMA SUCR SW
Yes
SL 5 Replace
N2000 or C2214
SL 4 Escalate
No
Real Time Clock Problems
SEMC Troubleshooting Manual
31
(129)