
C903
1228-1147 rev. 1
TROUBLESHOOTING
Camera Button Problems
T
R
O
UBL
ESHOOT
ING
- Play & Camera Mode Button Problems
START
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
1.8 Volt DC
at MP 92
(S2403_Pin A1)
Is MP 93
(S2403_Pin B)
and MP 94 (S2403_Pin
C1) Short circuit
to
GND
Yes
Press the
S2403 Camera Button
No
0 Volt DC
at MP 92
(S2403_Pin A1)
SL 5 Replace
N2010
SL 4 Escalate
Yes
Replace
S2403
SL 5 Replace
V2472, V2471 or
N2010
SL 4 Escalate
Yes
Is MP 92
(S2403_Pin A1)
Short circuit to
GND
No
Yes
Replace
S2403
No
No
SL 5 Replace
V2481 or N2010
SL 4 Escalate
1.8 Volt DC
at MP 100
(V2481_Pin C1)
Yes
SL 5 Replace
R2492, R2473 or
N2010
SL 4 Escalate
No
Camera Button Problems
START
Go to Service Tests Menu and perform Keyboard Test
If successful flash the Phone with EMMA SUCR SW
if not continue with the
Play and Camera Mode Button Problems TRS guide
No
Are all
Numeric Keys
Ok
Go to
Numeric Keypad
Problems TRS guide
Yes
Replace
Key Flex Assy
Play and Camera Mode Button Problems
SEMC Troubleshooting Manual
14
(129)