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