W995
1230-1858 rev. 1
TROUBLESHOOTING
VGA/VTF Camera Problems
T
R
O
UBL
ESHOOT
ING
- Data Communication Problems
START
Step 1:
Load ETS SW into the Phone
Step 2:
Use the TRS Fixture
Connect: Camera 8 MPixel CMOS to the PBA
Use TRS Fixture Display Holder and Connect:
Slider Flex Assy, Camera Module QCIF, PBA Navi Key and Display to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Continue with the VGA/VTF Camera Problems TRS guide
SL 4 Replace
X4300
SL 5 Replace
N4300, N4301, N4302, N4303, N4304 or D4305
Yes
Is the
VGA/VTF Camera
Problem Solved
Claim Faulty
Component
Yes
SL 5 Replace
N2010
SL 4 Escalate
No
Fault Trace SW:
MMI
Misc
Init Screen Testing
Activate:
Main Camera Test
Is the
Main Camera
Ok
No
Go to
Main Camera
Problems part 1
TRS guide
Fault Trace SW:
Deactivate:
Main Camera Test
Activate:
VGA Camera Test
Is the
VGA-VTF Camera
Ok
Replace
Camera Module QCIF
or Slider Flex Assy
Yes
No
VGA/VTF Camera Problems
START
Use Phone with the Signalling SW (SSW)
Use USB Cable connected to the PC
Connect:
USB Cable from the PC to the Phone
Does the
Phone Display
indicate Charging
Go to
USB/VBUS
Charging Problems
No
Download ETS SW into the Phone
Is the
ETS SW Flash
Successful
SL 5 Replace
N2020
SL 4 Escalate
Yes
Yes
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Connect:
USB Cable from the PC to the PBA
No
Is MP 29
(V2415_Cathode) or
MP 30 (V2416_Cathode)
Short circuit to GND
Replace
V2415, V2416 or
N2420
Yes
0,6V – 1V DC at
MP 29 (V2415_Cathode)
and 1.8V DC at
MP 22 (C2435)
No
Replace
N2420
No
2.7V – 3.3V DC
at MP 30
(V2416_Cathode)
Replace
N2420
No
Replace
Z2400 or X2405
Yes
Is X2405 Damaged
Replace
X2405
Yes
Yes
No
Data Communication Problems
SEMC Troubleshooting Manual
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