Trouble Shooting Guide Repair Instruction Electrical/Trouble Shooting Guide, Electrical/
1257-5712 Rev 1
Sony Ericsson Mobile Communications AB
– Company Internal 8(15)
Troubleshooting Flow
1.6 On/Off
Symptom:
Replace:
Current draw greater than 300 mA
V1700
,
if getting hot
N2801C
,
if getting hot
N2903
,
N2900
or
N2902
, if getting hot
Symptom:
Replace:
Current draw when powered off
C1312C
N2801C
,
if getting hot
N2903
,
N2900
or
N2902
, if getting hot
Symptom:
Replace:
Using no current when On/Off key is pressed and will not start.
S52
Symptom:
Replace:
Draws current when On/Off key is pressed, returns to zero
L1000
,
L1003
,
L1004
or
L2400C ,
if more than 1
N2401C
Symptom:
Replace:
Others
X1300
, if damaged vision check all pins