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Charging Problems
Use TRS Fixture and
Fault Trace SW
Connect:
Battery Calibration
VBATT and
No
Passed
DCIO/SEPI
Start
Battery Calibration
Yes
Is the
3.2V and 4.1V DC
Current Calibration
at MP 85 (TP2200)
Passed
during Battery
Calibration
Yes
No
No
Use TRS Fixture,
Fault Trace SW
Replace
Connect:
X2200
VBATT and
DCIO/SEPI
SL 5 Replace
Replace
R2200
L2405 or L2406
SL 4 Escalate
No
Is
Connection
Start the
between PBA
Shield Can Fence and
Current Calibration
Power Supply VBATT
(C.C.)
GND Ok
Yes
The Phone
SL 5 Replace
Consuming DCIO
N2000
Yes
Current
(During Current
SL 4 Escalate
Calibration)
Yes
Is
R2201
Disconnect
0.3 Ohm
VBATT and DCIO/SEPI
No
SL 5 Replace
Replace
R2201
V2202
SL 4 Escalate
TROUBLESHOOTING
START
Step 1:
Perform System Connector Protection Test
If successful go to step 2.
Step 2:
Load ITP SW into the phone
Connect: Dummy Battery
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW:
Logic, Phone Power
Perform
Battery and Current Calibration
NOTE !
It is very important to follow instrument settings
instructions during
Battery and Current Calibration Test.
Is
MP 72 (TP2202)
SL 5 Replace
Yes
Short circuit to the
Yes
N2000
PBA Shield Can
SL 4 Escalate
Fence
Flash the phone with
EMMA SUCR SW
No
and go to
Charging Test
Is
Replace
No
L2405 and L2406
System Connector
Ok
X2400
No
Yes
Is any of
5 Volt DC at
Yes
No
C2423 and C2424
MP 61 (C2424)
Short circuit
Yes
SL 5 Replace
C2423 or C2424
SL 4 Escalate
MP 106
(C2241 DCIO_INT)
No
No
Higher than
3,8 Volt DC
Yes
MP 111 (R2201
SL 5 Replace
CHSENSEP) Higher
Yes
N2000
than 3,8 Volt DC
SL 4 Escalate
(During C.C.)
No
MP 114
(V2202_Pin 2
CHREG) Lower than
Yes
No
MP 106 (C2241)
(During C.C.)
Charging Problems - USB/VBUS Charging Problems
USB/VBUS Charging Problems
Connect
DSU-60/USB Cable
from PC to
the phone
SL 5 Replace
5 Volt DC at
Yes
MP 109 (R2240)
SL 4 Escalate
No
N2402
Yes
Getting hot
No
Is
SL 5 Replace
C2422
Yes
Short circuit
SL 4 Escalate
No
Replace
System Connector
X2400
SEMC Troubleshooting Manual
START
Step 1:
Perform System Connector Protection Test
If successful go to step 2.
Step 2:
Use Phone with Normal SW
Use TRS Fixture
Connect: VBATT
N2000
Replace
N2402
C2422
1217-3942 rev. 1
W890
14
(119)
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Table of Contents
Troubleshooting
