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Dead Phone Problems part 1
START
Step 1:
Try to recover the phone by
using EMMA III SW
Press key 2 and 5
Is the
Connect USB Cable to the phone
Run pre-config 1 or 2
current consumption
more than 1mA
Run DPY/Z
If successful claim SW Flash
If not continue with step 2.
Step 2:
Yes
Use TRS Fixture
Connect Only:
VBATT
Try to trace faulty
component by using
the freezing spray
Is
Replace
Yes
N1230 or N1380
N1230 or N1380
getting hot
SL 5 Remove
N2000
No
SL 4 Escalate
Is the
Try to trace faulty
current consumption
Yes
component by using
still more than
the freezing spray
1mA
SL 5 Replace
No
N2000
SL 4 Escalate
26 MHz
Replace
Yes
at
N1200
MP 17 (R1263)
Replace
No
B1260
SL 5 Replace
ITP SW Flash
D2020
Yes
Successful
SL 4 Escalate
Go to
No
Flash Problems
Is the
any of C2216 or
SL 5 Replace
C2336 to C2330
N2000
No
Short circuit or
SL 4 Escalate
N2202 Getting
hot
SL 4 Replace
N2202
SL 5 Replace
Yes
C2216 or
C2236 to C2330
TROUBLESHOOTING
0 Volt DC
Between Power
SL 5 Replace
No
Supply GND and
No
R2200
Shield Can
SL 4 Escalate
Fence
Yes
Connect
DCIO/SEPI
to the Phone
SL 4 Replace
B2100
if not successful then
32 kHz
Escalate to SL 5
RTCCLK at
No
MP 73 (R2199)
SL 5 Replace
B2100 if not
successful then
Replace N2000
Yes
26 MHz
MCLK at
Yes
MP 37 (R2100)
No
Check following voltages:
2.5V MP 79 (C2216 VANA25)
1.8V DC at
1.2V MP L2200 VCORE12
MP 21 (R1261
1.8V MP 82 (C2239 VCORE18)
No
VDDE18) and 2.8V DC
2.7V MP 81 (C2205 VBT27)
at MP 19 (R1260
2.6V MP 115 (C2209 VAUDIO26)
VccA)
2.7V MP 116 (C2215 VDIG)
2.2V MP 69 (X2402_Pin A4
VBACKUP)
Yes
Disconnect
VBATT and DCIO/SEPI
Connect: Display and
Keypad FPC to the PBA
Connect: VBATT
All voltages
Yes
Ok
Activate EMMA III SW
Press the "C" key and
connect USB Cable
Flash the Phone with
the ITP SW
No
VANA25
Current
No
Voltage
Yes
Consumption more
Ok
than 50mA
Yes
No
Go to
SL 5 Replace
Dead Phone
N2000
Problems part 2
SL 4 Escalate
Dead Phone Problems
Dead Phone Problems part 2
START
Dead Phone Problems part 2
NOTE !
Before following this guide
the Dead Phone Problems
part 1 TRS guide must be
finished!
Is the
VCORE12
MP 100 (R2299)
Voltage
No
Short circuit to
Ok
Shield Can
Fence
No
1.2 Volt DC
at MP 103
(V2206_Cathode)
Yes
Yes
Replace
L2200
Is
the any of
VCORE18
C2342 to C2347
Voltage
No
Short circuit or
Ok
D2000 Getting
hot
No
Yes
Is
the any of
VBT27
C2205 or C1409, Short
Voltage
No
circuit or
Ok
N1400 Getting
hot
Yes
Go to
Dead Phone
Problems part 3
SEMC Troubleshooting Manual
SL 5 Check
C2220,C2219,V2206,
C2240,C2222,C2221
C2301 to C2305
C2307,C2308,C2311
C2314 to C2316
Yes
C2318,C2319,
C2322,C2324,D2000
SL 5 Replace
Faulty Component
and L2200
SL 4 Escalate
SL 5 Replace
3.8 Volt DC
No
No
L2201 and C2226
at MP 104 (L2201)
SL 4 Escalate
SL 5 Replace
Yes
V2206 or N2000
SL 4 Escalate
SL 5 Replace
Yes
Faulty Component
SL 4 Escalate
1.8 Volt DC
SL 5 Replace
at MP 83
Yes
C2239
(N2202_Pin 3)
SL 4 Escalate
No
3.8 Volt DC
SL 5 Replace
at MP 84 (N2202_Pin1)
No
C2238 and N2202
and MP 86 (N2202_Pin4)
SL 4 Escalate
Replace
Yes
N2202
SL 4 Replace
N1400
Yes
SL 5 Replace
C2205 or C1409
SL 5 Replace
No
N2000
SL 4 Escalate
1217-3942 rev. 1
W890
9
(119)
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Troubleshooting
