W995
1230-1858 rev. 1
TROUBLESHOOTING
Accelerometer Problems
T
R
O
UBL
ESHOOT
ING
START
Step 1:
Load ETS SW into the Phone
Step 2:
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
Vibrator Test
Replace
B4200
Yes
Yes
No
More than
2.7 Volt Pk-Pk Pulses
at MP 88 (L4201)
Is any of
C4207 or C4208
Short circuit
SL 5 Replace
C4207 or C4208
SL 4 Escalate
Yes
Disconnect:
VBATT and DCIO/SEPI
No
Is
L4201 and L4201
= Max 1.5 Ohm
SL 5 Replace
L4201 or L4202
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
No
Vibrator Problems
- Vibrator Problems
START
Step 2:
Load ETS SW into the Phone
Use Dummy Battery connected to Power Supply Channel 1 (VBATT)
Connect: DCIO/SEPI
Use Fault Trace SW
Fault Trace SW
MMI
Misc
Init Screen Testing
Activate:
Accelerometer Test
NOTE!
Read X, Y, Z information in
the Info Box.
Move the Phone and
Activate
Accelerometer Test
NOTE!
Read X, Y and Z information
in the Info Box.
NOTE!
Repeat this Test Sequence
10 Times
Fault Trace SW
General
Asic Revisions
Read All
Is
Accelerometer
(N2411)
Asic Revision
0x3b
Replace
N2411
No
Yes
Can
you see
that X, Y and Z
information are
changing in the
info box
Flash the Phone with
EMMA SUCR SW
Replace
N2411
No
Is the
Accelerometer
Problem solved
Claim Component
N2411
Yes
SL 5 Replace
N2010
SL 4 Escalate
No
Yes
Accelerometer Problems
SEMC Troubleshooting Manual
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