Sim Problems; Memory Stick Problems - Sony Ericsson C702 Troubleshooting Manual

SIM Problems

Flash the phone with Sim Com Test
Yes
EMMA SUCR SW Passed
Remove Test SIM
Use TRS Fixture
Connect: VBATT No
and DCIO/SEPI
Use Fault Trace SW
Activate: 1.8 Volt DC at
SIMVCC MP114 (X2403_Pin 1 )
SIMVCC On
Activate: Yes
SIMRST
SL 5 Replace
C2406 or C2411
SL 4 Escalate
1.8 Volt DC at 1.8 Volt DC
No
MP 111 (X2403_Pin 2) at MP 92 (V2404 )
Yes
No
SIMVCC On
SL 5 Replace
SIMRST On
N2000
Activate:
SL 4 Escalate
SIMCLK
No
0.9V-1V DC at 0.9V-1V DC at
No
MP 95 (X2403_Pin 3) MP 48 (ST2400)
Yes
SIMVCC On
SIMRST On
1.8 Volt DC
SIMCLK On
at MP 91 (V2408)
Activate:
SIM DATA
Yes
MP 89 (X2403_Pin 5)
Replace
No
Connected to the
X2403
PBA GND
TROUBLESHOOTING
START
Step 1:
Fault Trace SW
Load ITP SW into the phone
Logic
Step 2:
SIM Card control
Insert Test SIM
Activate:
Connect:
SIM Com Test
Dummy Battery (VBATT)
and DCIO/SEPI
Use Fault Trace SW
1.8 Volt DC at Replace
No Yes
MP 47 (C2406) X2403
No
Are any of SL 5 Replace
Yes C2406 or C2411 No N2000
Short circuit SL 4 Escalate
Replace
Yes
X2403
SL 5 Replace
V2407
SL 4 Escalate
No
0.9V-1V DC at Replace
Yes Yes
MP 93 (V2407) X2403
Is SL 4 Replace
MP 91 (V2408) X2403
No Yes
Short circuit to SL 5 Replace
GND V2408
SL 5 Replace
No N2000
SL 4 Escalate
10 Kohm
Between MP 96
SL 5 Replace
(X2403_Pin1) (Red
Yes No R2419
Probe) and MP 90
SL 4 Escalate
(X2403_Pin 7)
(Black Probe)
SL 5 Replace
Yes N2000
SL 4 Escalate
SIM Problems - Memory Stick Problems

Memory Stick Problems

Load ITP SW into the phone
Fault trace SW
Use TRS Fixture
Logic
Connect :
SIM Card Control
VBATT and DCIO/SEPI
Activate:
Insert Memory card
Memory Stick Test
Use Fault Trace SW
0 Volt DC at
Memory Stick Test
No MP 62 (R2406
Passed
MSDETECT)
Yes Yes
SL 5 Replace
Flash the phone with
N2000
EMMA SUCR SW
SL 4 Escalate
Problem solved
Yes
Claim Component
N2000
SEMC Troubleshooting Manual
Is
START
No X2490
damaged
Yes
Replace
No
X2490
SL 5 Replace
No D2000 and X2490
SL 4 Escalate
1221-7857 rev. 1
C702
16 (115)