With The Agreement With Sony Ericsson. This Document Is Intended For Use By Authorized Service Vga/Vtf Camera Problems; Technicians Only. Sony Ericsson Is Not To Be Held Responsible For Any Damages Or Losses Caused Data Communication Problems - Sony Ericsson W995 Troubleshooting Manual

VGA/VTF Camera 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
Fault Trace SW:
MMI
Misc
Init Screen Testing
Activate:
Main Camera Test
Is the
Main Camera No
Ok
Yes
Fault Trace SW:
Deactivate:
Main Camera Test
Activate:
VGA Camera Test
Is the
VGA-VTF Camera Yes
Ok
No
SL 4 Replace
X4300
SL 5 Replace
N4300, N4301, N4302, N4303, N4304 or D4305
Is the
SL 5 Replace
VGA/VTF Camera
N2010 No Yes
Problem Solved
SL 4 Escalate
TROUBLESHOOTING VGA/VTF Camera Problems - Data Communication Problems
Go to
Main Camera
Problems part 1
TRS guide
Replace
Camera Module QCIF
or Slider Flex Assy
Claim Faulty
Component
Data Communication 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
Is MP 29
Replace
(V2415_Cathode) or
V2415, V2416 or Yes
MP 30 (V2416_Cathode)
N2420 Short circuit to GND
No
Replace
Yes Is X2405 Damaged No
X2405
SEMC Troubleshooting Manual
Does the
Go to
Phone Display
No USB/VBUS
indicate Charging
Charging Problems
Yes
Download ETS SW into the Phone
Is the SL 5 Replace
ETS SW Flash Yes N2020
Successful SL 4 Escalate
No
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Connect:
USB Cable from the PC to the PBA
0,6V – 1V DC at
Replace
MP 29 (V2415_Cathode)
No
and 1.8V DC at N2420
MP 22 (C2435)
Yes
2.7V – 3.3V DC
Replace
at MP 30 Yes
Z2400 or X2405
(V2416_Cathode)
Replace
No
N2420
1230-1858 rev. 1 19
W995
(125)