Camera Lens Led Problems; Camera Cover Detect Problems - Sony Ericsson C903 Troubleshooting Manual

Camera Lens LED Problems

START
Step 1:
Replace SIM Flex Assy and retest the Phone
If successful claim SIM Flex Assy
if not go to step 2.
Step 2:
Load ETS SW into the Phone
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Camera Lens LED
Continue with the Camera Lens LED Problems TRS guide
Replace 1.8 Volt DC
No
N2410 at MP 19 (R4320)
TROUBLESHOOTING
SL 4 Replace
X4300
Yes
SL 5 Replace
V4321
Camera Lens LED Problems - Camera Cover Detect Problems

Camera Cover Detect Problems

Replace Battery Cover Assy and retest the Phone
If successful claim Battery Cover Assy
Connect SIM Flex Assy to the PBA
Connect: VBATT and DCIO/SEPI
Camera Cover Detect Problems TRS guide
NOTE! The MP is located on the SIM Flex Assy
Replace
Yes
SIM Flex Assy
SEMC Troubleshooting Manual
START
Step 1:
If not go to step 2.
Step 2:
Use TRS Fixture
Continue with the
SL 4 Replace
1.8 Volt DC
X4300
at MP 121 No
SL 5 Replace
(B8400_Pin 1)
N2010
1228-1147 rev. 1
C903
19 (129)