Trouble Shooting Guide (elect)
1230-3676 Rev2
Troubleshooting Flow
1.12 Network/Signal
Symptom:
Action:
Phone fails to lock on to network during radiated (wireless) Go / No Go test
Use RF probe to perform conducted Go / No Go test
Symptom:
Check:
Check:
Replace:
Action:
Phone passes conducted (RF cable) Go / No Go test but fails radiated (wireless) Go / No
Go test
X1010
,
X1011
,
X1012
,
X1013
,
X1014
,
X1015
,
X1016
and
X1017
for damage and
replace if necessary
X1000
for damage and replace if necessary
Antenna
Rerun the phone through radiated (wireless) Go/No Go testing
Symptom:
Replace:
Phone fails conducted (RF probe) Go / No Go test
Run the calibration routine
Symptom:
Replace:
Fails conducted (RF probe) Go/No Go test, but passes calibration
Rerun the phone through Go/No Go testing
Symptom:
Replace:
Fails any part of the calibration routine
X1000
if damaged
N4003
or
N1001
if GSM fault
N1000
or
N1001
if UMTS fault
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Sony Ericsson Mobile Communications AB – Company Internal
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