W995
1230-1858 rev. 1
TROUBLESHOOTING
Real Time Clock - Slide Sensor
T
R
O
UBL
ESHOOT
ING
START
Step 1:
Replace Magnet and retest the Phone
If successful claim Magnet
If not go to Step 2.
Step 2:
Continue with the
Slide Sensor Problems TRS guide
SL 4 Replace
B2400
SL 5 Replace
N2010
Slide Sensor Problems
- Video Com
p
anion Chip Problems
START
Does
the Phone
Gain or Lose
Time
Perform:
SERP Calibration
Yes
Is there
still problems with
Gaining or Losing
Time
Replace
B2100
No
Claim
SERP Calibration
Yes
Perform:
Backup Capacitor
Test
No
Is the
Test Passed
Flash the Phone with
EMMA SUCR SW
Yes
SL 5 Replace
C2233 or N2000
SL 4 Escalate
No
Real Time Clock Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect:
VBATT and DCIO/SEPI
Use Fault trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
Multimedia Chip
1.8 Volt DC
at MP 8 (N2212_Pin 3
PWRRSTn)
SL 5 Replace
N2210
SL 4 Escalate
No
1.2 Volt DC
at MP 10 (R2232)
Yes
Replace
N2212
No
1.8 Volt DC
at MP 2 (SP2505
VIDCC_L1DET)
Yes
SL 5 Replace
N2500
SL 4 Escalate
No
Yes
1.2 Volt DC
at MP 6 (R2218)
SL 5 Replace
N2210 or N2500
SL 4 Escalate
No
1.8 Volt DC
at MP 11 (R2219)
Yes
SL 5 Replace
N2214 or N2500
SL 4 Escalate
No
26 MHZ
at MP 79 (R2110
VIDCC_CLK)
Yes
SL 5 Replace
N2101 or N2500
SL 4 Escalate
No
SL 5 Replace
N2010 or N2000
SL 4 Escalate
Yes
Video Companion Chip Problems
SEMC Troubleshooting Manual
32
(125)