Flash Led Problems - Sony Ericsson W995 Troubleshooting Manual

Flash LED Problems in Camera Mode
START
Step 1:
Go to Service Test and perform the Main Camera Test
If successful go to Step 2, if not then go to:
Main Camera Problems TRS guide.
Step 2:
Replace Camera 8 MPixel CMOS
If successful claim Camera 8 MPixel CMOS
if not go to Step 3.
Step 3:
Replace SIM Flex Assy
If successful claim SIM Flex Assy
if not go to Step 4.
Step 4:
Load ETS SW into the Phone
Use the TRS Fixture
Connect the Camera 8 Mpixel CMOS and 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:
Flash LED
Is the
Flash LED
Ok
Yes
1: Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Deactivate:
Flash LED
2: Use Fault Trace SW and go to Misc and
Activate:
Main Camera
Replace 1.8 Volt DC at
Yes
X4301 or N4401 MP 85 (C2273)
TROUBLESHOOTING
Go to Flash LED
No Problems in
Torch Mode
SL 5 Replace
No N2215 or N2010
SL 4 Escalate

Flash LED Problems

Flash LED Problems in Torch Mode
Load ETS SW into the Phone
SIM Flex Assy to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
If the Flash LED is working on the TRS Fixture then
Replace SIM Flex Assy
If not then continue with the Flash LED Problems in Torch Mode TRS guide
1: Disconnect: VBATT and DCIO/SEPI
2: Disconnect and Remove the
SIM Flex Assy from the PBA
3: Connect VBATT and DCIO/SEPI
4: Use Fault Trace SW and Activate:
1: Use Fault Trace SW and Deactivate:
2: Disconnect: VBATT and DCIO/SEPI
SL 4 Replace
N4401
Yes Is L4400 = Max 1 Ohm
SL 5 Replace
N2010
SEMC Troubleshooting Manual
START
Use the TRS Fixture
Connect:
MMI
Misc
Init Screen Testing
Display Pattern
Activate:
Flash LED
Flash LED
5 V – 5.5 V DC at Replace
Yes
MP 89 (L4406) X2401
No
SL 5 Replace
3.8 Volt DC at
No L4408
MP 82 (L4408)
SL 4 Escalate
Yes
Flash LED
Replace
No
X2401
1230-1858 rev. 1
W995
17 (125)