C903
1228-1147 rev. 1
TROUBLESHOOTING
SIM Problems
T
R
O
UBL
ESHOOT
ING
- Memory Stick Problems
1.8 Volt DC at
MP C2420
Yes
Activate:
SIMVCC
SIMVCC On
Activate:
SIMRSTn
Yes
SIMVCC On
SIMRSTn On
Activate:
SIMCLK
1MHz and
1.8V – 2V Pk-Pk at
MP SP2407
Yes
Please follow instructions from 1 to 5
1:
Disconnect: VBATT and DCIO/SEPI
2:
Disconnect: SIM Flex Assy from the PBA
3:
Restart the Fault Trace SW
4:
Connect: VBATT and DCIO/SEPI
5:
Use Fault Trace Sw and go to:
Logic
SIM Card Control
No
SL 5 Replace
C2414
SL 4 Escalate
Is the
C2414 Short
circuit
No
Yes
1.8 Volt DC at
MP C2419
No
No
Is the
C2419
Short circuit
SL 5 Replace
C2419
SL 4 Escalate
Yes
No
SL 5 Replace
N2010 or N2000
SL 4 Escalate
SL 5 Replace
N2000 or N2010
SL 4 Escalate
SIMVCC On
SIMRSTn On
SIMCLK On
Activate:
SIMDAT
1.8 Volt DC
at MP R2416
1.8 Volt DC at
MP C2413
No
No
SL 5 Replace
N2000
SL 4 Escalate
Yes
Yes
SL 5 Replace
N2010
SL 4 Escalate
START
Step 1:
Flash the Phone with the EMMA SUCR SW and retest the Phone
if successful claim SW Flash, if not go to step 2.
Step 2:
Load ETS SW into the Phone
Use TRS Fixture
Connect: SIM Flex Assy to the PBA and Insert the Test SIM
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
Logic
SIM Card Control
Activate:
SIM Com Test
If the SIM Com Test is passed then Replace SIM Flex Assy
If not then continue with the SIM Problems TRS guide
SL 5 Replace
N2000
SL 4 Escalate
Replace
X4300
SIM Problems
START
Is X2403
damaged
Replace
X2403
Yes
Load ETS SW into the Phone
Insert Memory M2 Card
Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
Use Fault Trace SW
No
Fault trace SW
Logic
SIM Card control
Activate:
Memory Stick Test
Is the
Memory Stick Test
Passed
Flash the Phone with
EMMA SUCR SW
Yes
1.8 Volt DC at
MP 43 (C2422
VMC18)
No
SL 4 Replace
X2403
SL 5 Replace
N2000
No
SL 4 Replace
X2403
SL 5 Replace
N2010
Yes
Memory Stick Problems
SEMC Troubleshooting Manual
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