Fm Radio Problems; Bluetooth Problems - Sony Ericsson W995 Troubleshooting Manual

FM Radio Problems

START
Is the
Hands-Free (PHF)
No
Connection
OK
Yes
Is the
Audio Jack
No
Detection
OK
Yes
Is R2438
= Max 1 Ohm No
Yes
Is MP 93
SL 5 Replace
(X2405_Pin 2)
N1300 Yes No
Connected to GND
SL 4 Escalate
TROUBLESHOOTING FM Radio Problems - Bluetooth Problems
Go to
Hands-Free (PHF)
Connection
Problems TRS guide
Go to
Audio Jack
Detection Problems
TRS guide
Replace
R2438
Replace
X2405

Bluetooth Problems

Flash the Phone with the EMMA SUCR SW and retest the Phone
Connect SMK RF Probe to the X1500 RF Connector on PBA
Disconnect:
VBATT and DCIO/SEPI
Disconnect:
RF Cable Flexible
Max
0.5 Ohm between
Replace
No
MP 86 (X1500_Pin 1) and
X1500
MP 87
(X1500_Pin 2)
SL 5 Replace
N1300 Yes
SL 4 Escalate
Replace
BT GPS Antenna
SL 5 Replace
N1300
SL 4 Escalate
SEMC Troubleshooting Manual
START
Step 1:
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)
Fault trace SW Settings:
TX and RX
Bluetooth
Channel 0
Set MaxPwr MOD 0
Use Peak Search (MKR)
Is the
Blt MaxPwr MOD 0
No
1 dBm
(±5 dBm)
Yes
Fault trace SW Settings:
TX and RX
Bluetooth
Channel 0
Turn Off
Set MaxPwr MOD 1
Use Peak Search (MKR)
Is the
Blt MaxPwr MOD 1
Yes
1 dBm
(±5 dBm)
No
1230-1858 rev. 1 27
W995
(125)