Slide Sensor Problems; Tv Out Problems - Sony Ericsson C903 Troubleshooting Manual

Slide Sensor Problems

START
Step 1:
Replace Rear Assy Slider and retest the Phone
If successful claim Rear Assy Slider
If not go to step 2.
Step 2:
Continue with the
Slide Sensor Problems TRS guide
SL 4 Replace
B4410
SL 5 Replace
N2010
TROUBLESHOOTING Slide Sensor Problems - TV Out Problems
around the N2700 and N2102 components to prevent component
SL 5 Replace
SL 4 Escalate
SL 5 Replace
SL 4 Escalate
Replace
SL 5 Replace
N2700 or N2102
SL 4 Escalate

TV OUT Problems

START
NOTE !
Be careful when cutting the Shield Can Fence
damage.
Step 1:
Flash the Phone with EMMA SUCR SW
If successful claim SW Flash
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
Display Pattern
Activate:
TV Test Pattern
1.8 Volt DC at
N2010 No No
MP 71 (R2281)
Yes
1.5 Volt DC at
N2296 No MP 72 (C2297 Yes
VTV15)
1.8 Volt DC at
No Yes
N2410 MP 17 (R1301)
Yes
26 MHz at
No MP 118 (R2130 Yes
TV_CLK)
SEMC Troubleshooting Manual
C903
Is the Go to
Display Backlights No Display illumination
Ok Problems TRS guide
Yes
Is the Go to
Display No Display Problems
Ok TRS guide
Yes
Is MP 11
(X2405_Pin 7) Replace
Yes
Short circuit to PBA V2430
GND
1.8 Volt DC at SL 5 Replace
MP 77 (R2288 No N2700
VTV30_EN) SL 4 Escalate
Yes
3 Volt DC at SL 5 Replace
MP 78 (C2289 No N2288
VTV30) SL 4 Escalate
0.9V – 1V SL 5 Replace
Pk-Pk Pulses at No N2700
MP 73 (L2405) SL 4 Escalate
SL 5 Replace
Yes X2405 or N2010
SL 4 Escalate
1228-1147 rev. 1 32 (129)