Numeric Keypad Led Problems Camera Button Led Problems - Sony Ericsson C903 Troubleshooting Manual

Numeric Keypad LED Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Connect: Key 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:
Numeric Keypad
If Numeric Keypad LED is working on the TRS Fixture
then Replace Key Flex Assy
If not then continue with the
Numeric Keypad LED Problems TRS guide
SL 4 Replace
X2400
SL 5 Replace
V4112 or N2000
TROUBLESHOOTING Numeric Keypad LED Problems - Camera Button LED Problems SEMC Troubleshooting Manual
Camera Button LED Problems
START
SL 4 Replace
V4350 or V4360
SL 5 Replace
N2000
C903
1228-1147 rev. 1 16 (129)