To Search For Components Throughout The Entire Document Use The "Search" Function In Adobe On/Off Problems; Acrobat Reader 7.0 (Or Later Version) And Enter The Component Name Or Other Word. Use Zoom To Flash Problems - Sony Ericsson C702 Troubleshooting Manual

On/Off Problems
START
Is the phone
consuming more than
Use
1mA when the phone
Dummy Battery (VBATT)
is powered off
No
Is it possible to
No
power on the phone
Is the
phone consuming
any current when No Connect a charger
powering on the
phone
Yes
Is the current
consumption between No
10mA to 70mA
Yes
Yes
Flash
CDA Software
the phone with
Flash
correct CDA
Successful
software
Yes
1. Customize the phone into DPY/Z
Flash 2. Startup the phone and wait for
The phone with the configuration to take place
Yes
ITP software (takes less than a minute)
successful 3. Customize with correct CDA
4. Activate the phone
No
Go to
Problem
No
Flash Problems
solved
TROUBLESHOOTING
Go to
Yes Dead phone
Problems part 1
Go to
Current
Is it possible to power
Yes Yes Consumption Test
off the phone
After this go to
Charging Test.
No
Is the phones
behavior as normal Go to
Yes
Optimized Key Problems
charging
No
Go to
Dead Phone
Problems part 1
Go to
Press "C"
Connect USB from PC System Connector
Run SEMC BOOT
No Protection Test..
if necessary
After this go to
Run SUCR SW
Is Phone Flash Flash Problems
OK
No
Flash process
No
started
Yes
Problem
No
solved
Yes
Claim for a
Yes
SW Upgrade
On/Off Problems - Flash Problems
Flash Problems
Flash process
No Start-up when using
EMMA SW
Yes
Power Up the Phone Is
Connect No ITP SW Flash
USB Cable From PC Successful
The phone
5 Volt DC at
Indicates charging Yes
MP 118 (C2414)
on the display
No Yes
Go to
USB/VBUS
3.3V - 3.5V
Charging Problems
Pk-Pk Pulses at
MP 116 (C2476)
Yes
Disconnect: 1.8V - 2.5V
VBATT and USB Cable Yes Pk-Pk Pulses at
from the TRS Fixture MP 98 (C2474)
Max Max
2 Ohm between 0.5 Ohm between
MP 113 (X2300_Pin 2) MP 113 (X2300_Pin 2)
No
and MP 115 and MP 114
(Z4203_Pin 4) (Z4203_Pin 1)
Yes
Max Max
2 Ohm between 0.5 Ohm between
MP 112 (X2300_Pin 3) MP 112 (X2300_Pin 3)
No
and MP 110 and MP 111
(Z4203_Pin 3) (Z4203_Pin 2)
Yes
Replace Problem
D2404 solved
SEMC Troubleshooting Manual
START
Step 1:
Perform
System Connector Protection Test
If the test is pass go to step 2
Step 2:
Use Phone with Normal SW
Use TRS Fixture
Connect: Display, Keypad
and VBATT
Dowload ITP SW into the Phone
by using EMMA SW
SL 5 Replace
Yes D2020
SL 4 Escalate
Is any of SL 5 Replace
No C2413 and C2433 No
short circuit SL 4 Escalate
SL 5 Replace
Yes C2413 or C2433
SL 4 Escalate
1.8 Volt DC SL 5 Replace
No at No
MP 120 (R2427) SL 4 Escalate
Yes
Is any of
No V2410 and V2411 No
short circuit
SL 5 Replace
Yes V2410 or V2411
SL 4 Escalate
Replace
No System Connector
X2300
SL 5 Replace
Yes Z4203
SL 4 Escalate
Replace
No System Connector
X2300
SL 5 Replace
Yes Z4203
SL 4 Escalate
Claim Component
Yes
D2404
SL 5 Replace
No D2000
SL 4 Escalate
1221-7857 rev. 1
C702
R2484
D2000
Replace
D2404
8 (115)