W995
1230-1858 rev. 1
TROUBLESHOOTING
Music LED Problems
T
R
O
UBL
ESHOOT
ING
- Trickle Charge LED Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Use the TRS Fixture Display Holder and Connect:
Slider Flex Assy and PBA Navi Key to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Music LED
If Music LED is working on the TRS Fixture then Replace
PBA Navi Key or Slider Flex Assy
If not then continue with the
Music LED Problems TRS guide
1:
Disconnect: VBATT and DCIO/SEPI
2:
Disconnect the Slider Flex Assy from the PBA
and Remove the TRS Fixture Display Holder
3:
Connect VBATT and DCIO/SEPI
3.8 Volt DC at
MP 13 (C4223)
Replace
X4300
Yes
SL 5 Replace
N2000
SL 4 Escalate
No
Music LED Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect: SIM Flex Assy to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Trickle Charge LED
If the Trickle Charge LED is working on the TRS Fixture then Replace
SIM Flex Assy
If not then continue with the Trickle Charge LED Problems TRS guide
SL 4 Replace
X2401
SL 5 Replace
N2000
Trickle Charge LED Problems
SEMC Troubleshooting Manual
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