W995
1230-1858 rev. 1
TROUBLESHOOTING
FM Radio Problems
T
R
O
UBL
ESHOOT
ING
- Bluetooth Problems
START
Is the
Hands-Free (PHF)
Connection
OK
Go to
Hands-Free (PHF)
Connection
Problems TRS guide
No
Is the
Audio Jack
Detection
OK
Yes
Go to
Audio Jack
Detection Problems
TRS guide
No
Is R2438
= Max 1 Ohm
Yes
Replace
R2438
No
Is MP 93
(X2405_Pin 2)
Connected to GND
Yes
Replace
X2405
No
Yes
SL 5 Replace
N1300
SL 4 Escalate
FM Radio Problems
START
Step 1:
Flash the Phone with the EMMA SUCR SW and retest the Phone
If successful claim SW Flash
If not go to Step 2.
Step 2:
Load ETS SW into the Phone
Use the TRS Fixture
Use a Spectrum Analyzer Instrument
Use RF Cable Flexible with SMK RF Probe connected
to the Spectrum Analyzer Instrument
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Continue with the
Bluetooth Problems TRS guide
Spectrum Analyzer
Instrument Settings:
Frequency: 2402 MHz
Span: 10 MHz
Amplitude: 10 dBm
Use Peak Search (MKR)
Connect SMK RF Probe to the X1500 RF Connector on PBA
Fault trace SW Settings:
TX and RX
Bluetooth
Channel 0
Set MaxPwr MOD 0
Use Peak Search (MKR)
No
Replace
X1500
Replace
BT GPS Antenna
Is the
Blt MaxPwr MOD 0
1 dBm
(
±5 dBm)
Disconnect:
VBATT and DCIO/SEPI
Disconnect:
RF Cable Flexible
No
Max
0.5 Ohm between
MP 86 (X1500_Pin 1) and
MP 87
(X1500_Pin 2)
No
SL 5 Replace
N1300
SL 4 Escalate
Yes
Fault trace SW Settings:
TX and RX
Bluetooth
Channel 0
Turn Off
Set MaxPwr MOD 1
Use Peak Search (MKR)
Yes
Is the
Blt MaxPwr MOD 1
1 dBm
(
±5 dBm)
Yes
SL 5 Replace
N1300
SL 4 Escalate
Bluetooth Problems
SEMC Troubleshooting Manual
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