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SE G705, W705, W715 Schematic

ABOUT
SEMC Troubleshooting Manual
G705 - W705 - W715
Troubleshooting Manual
ABOUT TROUBLESHOOTING MEASUREMENT POINTS
1225-4035 rev. 1
APPENDI XCOMPONENT OVERVIEW FUNCTIONAL OVERVIEW
1 (122)

ABOUT Contents

SEMC Troubleshooting Manual
G705 - W705 - W715

ABOUT

General information

The purpose of this document is to provide enhanced technical information for Sony Ericsson repair technicians in order to assist during service, repair and troubleshooting operations on Sony Ericsson mobile phones. It should be used as a complement to other repair instructions and tools as notifi ed by the local Sony Ericsson representative.
To search for components throughout the entire document use the “search” function in Adobe Acrobat Reader 7.0 (or later version) and enter the component name or other word. Use zoom to enlarge.
For easier navigation of the document you can use the bookmarks that appear in the Bookmarks tab on the left side of the Adobe Acrobat Reader window. Each bookmark jumps to a page in the
document.
Disclaimer
This document is Sony Ericsson confi dential and should be treated as confi dential in accordance with the agreement with Sony Ericsson. This document is intended for use by authorized service technicians only. Sony Ericsson is not to be held responsible for any damages or losses caused intentionally or unintentionally due to unauthorised use of the information in this document.
Note
When disassembling and reassembling the phone the instructions and processes described in the Mechanical Working Instructions, the Generic Repair Manual and the Repair Center Handbook must be followed.
Revision History
Rev. Date Changes / Comments
104/01/2009Initital revision.
ABOUT 2
General Information 2 Contents 2 Equipment List 3
TROUBLESHOOTING 8
Power On/Off Problems 8 USB and Software Flash Problems 8 Dead Phone Problems 9 Display Problems 10 Display Illumination Problems 11 Opto Sensor Problems 11 On-Off Key 12 Numeric Keypad Problems 12 Navigation Keypad Problems 13 Volume Up and Down Button Problems 13 Camera Button Problems 14 Walkman/Play & Stop Button Problems 14 Numeric Keypad LED Problems 15 Navigation Keypad LED Problems 15 Navigation Orange LED Problems 16 Web Shortcut LED Problems 16 Tally LED Problems 17 Flash LED Problems 17 Trickle Charge LED Problems 18 Main Camera Problems 19 VGA Camera Problems 19 Charging Problems 20 USB/VBUS Charging Problems 20 SIM Problems 21 Memory Stick Problems 21 Microphone Problems 22 Earphone Problems 22 Loudspeaker Problems 23 Handsfree (PHF) Problems 23 FM Radio Problems 24 FM Radio Antenna Problems 24 Bluetooth Problems 25 WLAN Problems 25 GSM Problems 26 WCDMA Problems 27 A-GPS Problems 28 Accelerometer Problems 29 Vibrator Problems 29 Real Time Clock Problems 30 Slide Sensor Problems 30 System Connector Protection Test 31 Current Consumption Test 31 Backup Capacitor Test 33 Charging Test 33 ASIC Revision Test 34 Measurement Points Pictures 35
MEASUREMENT POINTS 49
Primary Side 49 Secondary Side 50 Top Schematic 51 Audio Top 52 Audio Analog 53 Audio Digital 54 Audio FM Radio 55 Application & System Performance Top 56 System Top 57 System Control - Clocks & Resets 58 System Memories 59
System PoP IF 60 Power Top 61 Power - Regulators & Charging 62 Power - Imaging 63 Power - ASICs 64 Power - WLAN 65 Connectivity Top 66 Connectivity - I2C & ADC 67 Connectivity - Cards 68 Connectivity 69 Connectivity - Keypad 70 Imaging Top 71 Imaging - Display 72 Imaging - Camera 73 Access Top 74 Access - GSM & UMTS 75 Access - Bluetooth 76 Access AGPS 77 Access - WLAN 78 Test 79
COMPONENT OVERVIEW 80
Primary Side 80 Secondary Side B - C 81 Secondary Side D - Z 82
FUNCTIONAL OVERVIEW
Technical Description 83 Platform Block Diagram 94 Block Diagram Power Distribution 95 Block Diagram Clocking Concept 96
APPENDIX 97
Replaceable Components 97 Components - B1400, B2000, B2100, B3100 98 Components - B4410, C2214, L2200, 99 Components - L2401-05 , L2406, L2408 99 Components - L2452, L4200, N1210, N1211 100 Components - N1300, N1400 101 Components - N1410, N1510, N2200 102 Components - N2201, N2203, N2204 102 Components - N2300, N2401, N2411 103 Components - N2420, N2421 104 Components - N2422, N3101 104 Components - R2449, R2490, S2403 105 Components - S2404, S2405-06, V2200 105 Components - V2202, V2415-16, V2417, 106 Components - V2470, V3101, V4203 106 Components - X1000, X1002-03, X1005 106 Com p o n ents - X1001. X10 0 4, X12 0 0, X15 0 0 107 Components - X2201, X2401 107 Components - X2402, X2403 108 Components - X2405, X3102 108 Components - X4200, X4300 109 Components - Z2400, Z4200-02 109 Keypad Flex Module 110 Navigation Keypad PBA 110 Upper Board Schematics 111 LCD Assembly 111 SIM Flex Module 112 Slider Flex Module 112 Troubleshooting Software Documentation 113 Troubleshooting Fixture Setup Instructions 120
ABOUT
1225-4035 rev. 1
2 (122)

ABOUT Equipment List

SEMC Troubleshooting Manual
G705 - W705 - W715
G705, W705, W715 Equipment List
Troubleshooting Fixture
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf Part number: 1222-1854
Note! More information about the TRS Fixture Kit can be found in the Trouble Shooting Fixtures
Setup Instructions document at the end of this manual.
Dummy Battery
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf Part number: NTZ 112 533
Note! The resistance between GND and BDATA should be approximately 120K Ohm.
Instruments
Power Supply Channel 1 (VBATT)
Agilent 6632B or similar Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Instrument Settings: Voltage: 3.8 Volt Limiter: 2.0 A
Note! The Maximal cable length between the Power Supply Channel 1 VBATT and the dummy
battery cannot be more than 1m. The cable must have a capacity for at least 16A.
ABOUT
Info: More information about the equipment used for TRS can be found on the following location:
CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf or matris.xls – G and W Model Tab.
Power Supply Channel 2 (DCIO/SEPI)
Agilent 6632B or similar Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Instrument Settings: Voltage: 5.0 Volt Limiter: 2.0 A
Oscilloscope
Agilent DSO7052A or similar Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Digital Multimeter (DMM)
Fluke 83 or similar Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Note! The 0, 64 mm Test Probes are recommended by Sony Ericsson when the DMM is in use,
please see Picture 1. Picture 1
1225-4035 rev. 1
3 (122)
ABOUT
Equipment List
SEMC Troubleshooting Manual
G705 - W705 - W715
Spectrum Analyzer
R&S FSL 9 kHz – 3 GHz or similar Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
RF probe
HP 85024A or similar Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Mobile Phone Tester
Yokogawa VC200 or similar Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
FM Signal Generator
R&S SMC100A or similar Location: -
RF Adaptor
Adaptor 33 N-BNC-50-1
Adaptor to Signal Generator RF Output See Picture 2 Location: -
Picture 2
SE Communication Interface SEPI BOX
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf Part number: LTN 214 1484 See Picture 3.
Picture 3
Cables
USB Computer Cable
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf See Picture 4.
Picture 4
ABOUT
PC Package & PC Software
PC Package (Computer)
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Urquell Fault Trace SW with project file
Location: CSPN – Repair Instructions – Electrical – G705, W705, W715 – Trouble Shooting Application – Project File: G705, W705, W715 Project_R1A
Drivers
SEPI BOX Drivers Location: http://emma.extranet.sonyericsson.com
/– Drivers – DSS / SEPI / SEMUTS
DSU-60/USB Cable
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf Part number: KRY 101 1413
RF Test Cable Flexible
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf Part number: RPM 119 885 See Picture 5.
Picture 5
1225-4035 rev. 1
4 (122)
ABOUT
Equipment List
SEMC Troubleshooting Manual
G705 - W705 - W715
SEPI Interface Cable – A1
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf Part number: KRY 101 1119/1 See Picture 6.
Picture 6
Power Cable RED to Power Supply Channel 1 (VBATT)
Maximum Length: 1m Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Power Cable BLACK to Power Supply Channel 1 (VBATT)
Maximum Length: 1m Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Step 2:
Connect the CST-75 charger Red or White wire to the Plus Output and the Black wire to the Minus (GND) Output at backside of the Power Supply Channel 2 (DCIO/SEPI) according to Picture 8.
Picture 8
Step 3:
Cut off insulating material from the inside of the charger plug according to Picture 9.
Picture 9
ABOUT
Customized Power Supply Channel 2 Cable (DCIO/SEPI)
Customize the cable according to following instructions below: (Step 1, Step 2, Step 3 and Step 4)
Step 1:
Take the CST-75 battery charger and cut off the charger according to Picture 7.
Picture 7
Note! The Cable length must be exactly 1.3m.
Step 4:
Connect DCIO Cable and SEPI Interface Cable – A1 according to Picture 10.
Picture 10
1225-4035 rev. 1
5 (122)
ABOUT
Equipment List
SEMC Troubleshooting Manual
G705 - W705 - W715
Picture 11
Note! This setup is wrong.
Connection Instructions for the Dummy Battery
This is the correct setup when a Dummy Battery is in use. See Pictures 12 and 13.
Picture 12
Customized FM Radio Cable
Step 1:
Use the Test lead BNC-4mm 1,5m Cable, see Picture 14.
Picture 14
Product Name: Test lead BNC-4mm 1,5m Product Description: Test lead with 4 mm lab plugs at one end and a BNC plug at the other. Manufacturer: PMK Germany
Location: http://www.elfa.se/en/
or other supplier.
Part number: 46-310-40
Note! This is the ELFA part number.
Step 2:
Cut the Red Lab Plug connector according to Picture 15.
Picture 15
ABOUT
Picture 13
Step 3:
Use any Hands-Free (PHF) Cable and cut it according to Picture 16.
Picture 16
Note! Cable length should be at least 40cm.
1225-4035 rev. 1
6 (122)
ABOUT
Equipment List
SEMC Troubleshooting Manual
G705 - W705 - W715
Step 4:
Use only the Wire that is connected to PIN2 and cut out all the others according to Picture 17.
Picture 17
Note! Use DMM instrument to ensure which of the wires are connected to PIN2 at Hands-Free
(PHF) system connector plug.
Step 5:
Connect the Cable from the Picture 15 and Cable from the Picture 17 according to Picture 18.
Note! Use a soldering iron for this action and after that use insulating material to protect the
contact point. Picture 18
Test SIM GSM/UMTS
One Test SIM GSM/UMTS is needed to perform Current Consumption Test, see Picture 20. Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Note! To buy a Test SIM GSM/UMTS, please contact your supplier of test equipment.
Picture 20
Sony Memory Stick M2
Any functional Memory Stick Micro M2 Card See Picture 21.
Picture 21
ABOUT
Test Cards
Local SIM
Any functional Local SIM Card See Picture 19.
Picture 19
SMK RF Probe
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf Part number: SXA 109 6356 See Picture 22.
Picture 22
1225-4035 rev. 1
7 (122)
TROUBLESHOOTING Power On/Off Prob lems
- USB and Sof tware Flash Problem s
SEMC Troubleshooting Manual
G705 - W705 - W715
START
Use the
Dummy Battery Connected to
Power Supply Channel 1
(VBATT)
No
Is the
phone consuming
any current when
powering on the
phone

Power On/Off Problems

Is the phone
consuming more than
1mA when the phone
is powered off
No
Is it possible to
power on the phone
Connect a chargerNo
Yes
Yes
Is it possible to power
off the phone
Is the phones
behavior as normal
Optimized
charging
Yes
No
Yes
Go to
Dead phone
Problems part 1
TRS guide
Go to
Current
Consumption Test
After this go to
Charging Test
Go to
On-Off Key Problems
TRS guide
START
Step 1:
Perform
System Connector Protection Test
If successful go to step 2.
Step 2:
Dowload ITP SW into the Phone
Go to
USB/VBUS
Charging Problems

USB and Software Flash Problems

Does the
Flash process
Start-up when using
EMMA SW
No
Use TRS Fixture
1: Connect: VBATT and DCIO/SEPI
2: Remove: DCIO/SEPI
3: Connect: USB Cable from the PC
Does
the Phone
Indicate charging
on the display
Yes

TROUBLESHOOTING

No
YesNo
Is the
ITP SW Flash
Successful
Is MP 11
(X2405_Pin 10)
Short circuit to GND
(Shield Can
Fence)
Yes
Yes
SL 5 Replace
N2020
SL 4 Escalate
Replace
V2416
Yes
Is the current
consumption between
10mA to 70mA
Yes
Flash
the phone with
correct CDA
software
Flash
The phone with
ITP software.
Is the ITP Flash
Successful
No
Go to
USB and Software
Flash Problems
TRS guide
No
No
Flash
the phone with
correct CDA
Yes
software
CDA Software
Flash
Successful
Yes
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
Is the Problem
solved
No
No
Go to
Dead Phone
Problems part 1
TRS guide
Press ”C”
Connect USB from PC.
Update SEMC BOOT if
necessary. Run EMMA
SUCR SW. Is Phone
Flash Ok
No
Is the
Flash process
started
Yes
Yes
No
Is MP 12
(X2405_Pin 11)
Short circuit to GND
(Shield Can
Fence)
Yes
Replace
V2415
Go to
System Connector
SL 4 Replace
N2420
SL 5 Replace
R2442
No
5 Volt DC at
MP 62 (C2433)
Yes
No
Protection Test
No
NoYes
After this go to
USB and Software
Flash Problems TRS
guide
Is the Problem
solved
Yes
Claim for a
SW Upgrade
SL 4 Replace
N2420
SL 5 Replace
N2010
Yes
2.7V – 3.3V DC
at MP 65 (C2437) and
1.8V DC at MP 61 (C2435)
Yes
Remove the PBA from the
TRS Fixture
Max
2 Ohm between
MP 11 (X2405_Pin 10)
and MP 71
(Z2400_Pin 3)
Yes
Max
2 Ohm between
MP 12 (X2405_Pin 11)
and MP 73
(Z2400_Pin 4)
No
No
No
SL 4 Replace
N2420
SL 5 Replace
N2010
Max
0.5 Ohm between
MP 11 (X2405_Pin 10)
and MP 70
(Z2400_Pin 2)
Max
0.5 Ohm between
MP 12 (X2405_Pin 11)
and MP 72
(Z2400_Pin 1)
Yes
Yes
No
No
Replace
X2405
Replace
Z2400
Replace
X2405
Replace
Z2400
1225-4035 rev. 1
8 (122)

TROUBLESHOOTING Dead Phone Proble m s

SEMC Troubleshooting Manual
G705 - W705 - W715
START
Try to recover the Phone by using
Connect USB Cable to the Phone and update SEMCBOOT after this
If successful claim SW Flash
If not continue with the step 2.
Try to trace Faulty
Component by using
Step 1:
EMMA SW
Press key 2 and 5
Run EMMA SUCR SW
and retest the Phone
Step 2:
Use TRS Fixture
Connect: VBATT Only
Replace
N1200
SL 5 Replace
N2000
SL 4 Escalate
Freezing Spray
SL 5 Replace
N2000
SL 4 Escalate
Yes
No
Dead Phone Problems part 1
Is the
current consupmtion
more than 1mA
Yes
Try to trace
the Faulty Component
by using Freezing Spray
Is
N1200
(Tiger Radio Module)
getting hot
No
SL 5 Remove
N2000
SL 4 Escalate
Is the
current consumption
still more than
1mA
Yes
1.8V DC at
MP 60 (R2303 VDDE18)
and 2.8V DC at MP 64
(C1218 LDOA_OUT)
Yes
No
NoNo
Is the connection between MP 23 (X2201_Pin 3)
and PBA GND
DCIO/SEPI to the Phone
MP 118 (C2100)
and MP 119 (C2101)
RTCCLK at
MP 121 (R2103)
MP 97 (R2102)
Can Fence)
Ok
Yes
Connect:
32 kHz at
Yes
32 kHz
Yes
26 MHz
MCLK at
(Shield
SL 4 Replace
No
No
No
2.6V MP 67 (R2301 VAUDIO26)
2.5V MP 57 (R2302 VANA25)
Yes
2.7V MP 113 (C2210 VBT27)
2.7V MP 63 (R2305 VDIG)
2.6V MP 66 (R2306 VBEAR26)
1.2V MP 114 (C2220 VCORE12)
1.8V MP 59 (R2310 VCORE18)
X2201
SL 5 Replace
R2200
Replace
B2100
SL 5 Replace
N2000
SL 4 Escalate
Check the following
Voltages:
Is the
VAUDIO26
Voltage
Ok
Yes
Is the
VANA25
Voltage
Ok
Yes
Is the
VBT27
Voltage
Ok
Yes
Dead Phone Problems part 2
START
NOTE !
Dead Phone Problems part 1 TRS guide
No
No Yes
No
Before this the
must be done
Is N2422
getting hot
Is any of
N2200 or N2010
getting hot
Is N1300
getting hot
Yes
No
No
Yes
No
TROUBLESHOOTING
Replace
N2422
SL 5 Replace
N2000
SL 4 Escalate
SL 4 Replace
N2200
SL 5 Replace
N2010
SL 5 Replace
N2000
SL 4 Escalate
Replace
N1300
SL 5 Replace
N2000
SL 4 Escalate
Replace
N1200
Replace
N1211
SL 5 Replace
N2020
SL 4 Escalate
Go to USB and
Software Flash
Problems TRS guide
Yes
Yes
2.8V DC
at MP 99 (C1207)
No
ITP SW Flash
Successful
No
Is the
Go to
Dead Phone
Problems part 2
Step 1:
Disconnect:
VBATT and DCIO/SEPI
Step 2:
Connect:
PBA Key Navi and Slider Flex Module
to the PBA
Connect: VBATT Only
Step 3:
Use EMMA SW
Press the ”C” key and Connect
USB Cable from the PC to the PBA
Flash the Phone with the ITP SW
No
Are
all Voltages
Ok
Yes
Is the VDIG
Voltage
Ok
Yes
Is the
VBEAR26
Voltage
Ok
Yes
No
No
Is any
of N2411, N1300
N1500 or N1510
getting hot
SL 5 Replace
N2000
SL 4 Escalate
Go to
Dead Phone
Problems part 3
No
Yes
SL 4 Replace
N2411, N1300
or N1510
SL 5 Replace
N1500
SL 5 Replace
N2000
SL 4 Escalate
1225-4035 rev. 1
9 (122)
TROUBLESHOOTING
Dead Phone Proble m s - D is p l ay Proble m s
SEMC Troubleshooting Manual
G705 - W705 - W715
Is the
VCORE12
Voltage
Ok
No
Dead Phone Problems part 3
START
NOTE !
Dead Phone Problems part 2 TRS guide
1.1V – 1.2V DC at MP 117
(V2201_Cathode)
Yes
Before this the
must be done
No
3.8 Volt DC at
MP 116 (L2201)
Yes
No
Replace
L2201
SL 5 Replace
V2201 or N2000
SL 4 Escalate

Display Problems

START
Step 1:
Flash the Phone with EMMA SUCR SW
If successful claim SW Flash
If not go to step 2.
Step 2:
Load ITP SW into the Phone
Use TRS Fixture
Connect:
Slider Flex Module, PBA Key Navi and Display
to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Display Pattern
Activate:
TV Test Pattern
If Display is working on the TRS Fixture
then Replace
Display, Slider Flex Module or PBA Key Navi
If not then continue with
Display Problems TRS guide
TROUBLESHOOTING
Yes
Is the
VCORE18
Voltage
Ok
Yes
Step 1:
Disconnect:
VBATT and DCIO/SEPI
Step 2:
Connect:
Key Flex Assy and Slider FPC Assy
to the PBA
Connect: VBATT Only
Step 3:
Use EMMA SW
Press the ”C” key and Connect
USB Cable from the PC to the PBA
Flash the Phone with ITP SW
No
Is
MP 114 (C2220)
Short circuit to
PBA GND
MP 59 (R2310) Short circuit to
PBA GND
VBATT and DCIO/SEPI
L2202 = Max 0.5 Ohm
ITP SW Flash
(Shield
Can Fence)
Is
(Shield
Can Fence)
No
Disconnect:
Is
Is the
Successful
No
Yes
No
Yes
Yes
No
Yes
SL 5 Replace
N2000 or N2010
SL 4 Escalate
Replace
L2200
SL 4 Replace
N2200
SL 5 Replace
C2231 or N2010
SL 5 Replace
L2202
SL 4 Escalate
SL 4 Replace
N2200
SL 5 Replace
N2010
SL 5 Replace
N2020
SL 4 Escalate
Go to USB and
Software Flash
Problems TRS guide
Go to
Display illumination
Problems TRS guide
Go to
Opto Sensor
Problems TRS guide
Replace
Z4200, Z4201 or
Z4202
No
Yes
No
Is
Display Backlights
Ok
Yes
Is the picture
too dark or
too light
Are all
Display Filters
Ok
Yes
Replace
X4200
Is the Display
Problem solved
No
Disconnect: VBATT and DCIO/SEPI and
Remove PBA from the TRS Fixture
Use Digital Multimeter instrument (DMM)
No
Yes
Display Filter Test 1 and 2 (see below)
Be very careful when cutting the
Shield Can Fence to avoid component damage
It is recommended to use a microscope when
Check that Pins: 1,2,3,4,5,6,7,8
Max 2 Ohm between the following pins:
Test 1 and 2 must be made on all filters
Claim Component
X4200
SL 5 Replace
N2010
SL 4 Escalate
and perform:
Z4200, Z4201 and Z4202
NOTE !
making these measurements
Z4200, Z4201 and Z4202
Display Filter Test
Test 1:
short circuit to GND
are NOT
Test 2:
Pin 1 and 5 Pin 2 and 6 Pin 3 and 7 Pin 4 and 8
NOTE !
1225-4035 rev. 1
10 (122)
TROUBLESHOOTING Display Illumin at io n Prob lems
- Opto Sensor Prob le m s
SEMC Troubleshooting Manual
G705 - W705 - W715
Replace
L4200
Yes

Display Illumination Problems

START
Step 1:
Flash the Phone with EMMA SUCR SW
If successful claim SW Flash
If not go to step 2.
Step 2:
Load ITP SW into the Phone
Use TRS Fixture
Connect:
Slider Flex Module, PBA Key Navi and Display to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Display Backlight
If Display Backlight is working on the TRS Fixture
then Replace
Display, Slider Flex Module or PBA Key Navi
If not then continue with the
Display illumination Problems TRS guide
1: Use Fault trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Deactivate:
Display Backlight
2: Disconnect Slider Flex Module from the PBA
Go to
Display illumination
Problems TRS guide
Go to
Display Problems
TRS guide

Opto Sensor Problems

START
Replace PBA Key Flex Flip
If successful claim PBA Key Flex Flip
Replace Slider FPC Assy
If successful claim Slider FPC Assy
Opto Sensor Problems TRS guide
No
No
Step 1:
and retest the Phone
if not go to step 2.
Step 2:
and retest the Phone
if not continue with the
Is the
Display Illumination
(LEDs) Ok
Yes
Can you see
any picture on
Display
Yes
TROUBLESHOOTING
3.7V - 3.8V DC
at MP 115 (L4222)
No
SL 5 Replace
L4222
SL 4 Escalate
Replace
X4200
Yes
0 Volt DC
at MP 37 (TP4201)
No
Replace
V4203
No
Yes
3.7V - 3.8V DC
at MP 36 (TP4200)
Yes
Fault trace SW
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Display Backlight
17V-20V
Pk-Pk Pulses
at MP 36 (TP4200)
Shortly after the Display
Backlight has been
Activated
Is the
Display illumination
Problem solved
Yes
No
No
Replace
N2401
Yes
More than
5 Volt Pk-Pk
Pulses at MP 112 (R4200)
Shortly after the Display
Backlight has been
Activated
No
SL 5 Replace
N2000
SL 4 Escalate
Claim Component
V4203
SL 5 Replace
N2000
SL 4 Escalate
Replace
N2201
SL 5 Replace
N2000
SL 4 Escalate
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
1.8 Volt DC
No
No
No Yes
at MP 48 (R2217
OPTO_EN) Shortly after
phone Power On
Yes
3 Volt
Pk-Pk Pulses
At MP 43 (TP2203
VOPTO30) Shortly after
phone Power On
Yes
Replace
X4200
Is the
Opto Sensor Problem
solved
Claim Component
X4200
1225-4035 rev. 1
11 (122)

TROUBLESHOOTING On-Off Key

- Numeri c Keypad Proble m s
SEMC Troubleshooting Manual
G705 - W705 - W715
On-Off Key Problems
START
Replace PBA Key Navi and retest the Phone
If successful claim PBA Key Navi
Replace Slider Flex Module and retest the Phone
If successful claim Slider Flex Module
PBA Key Nav and Slider Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
Replace
V2470
SL 5 Replace
V2475, R2470 or
N2010
SL 4 Escalate
Step 1:
if not go to step 2.
Step 2:
if not go to step 3.
Step 3:
Use TRS Fixture
Connect:
Yes
(V2470_Anode)
No
1.8 Volt DC At MP 82
Yes
Is it a
Power Off
problem
No

Numeric Keypad Problems

START
Step 1:
If there are Problems with both Numeric and Navigation
Keypads then go to step 3, if not go to step 2.
Step 2:
Use TRS Fixture
Connect:
Numeric Key Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI Misc
Init Screen Testing
Activate
Keypad Scan Test
Perform Keypad Scan Test by pressing all
Keypads on the Key Flex Module
If successful then
Replace
Key Flex Module
If not go to step 3.
Step 3:
Use TRS Fixture
Connect:
Key Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
and continue with the
Numeric Keypad Problems TRS guide
1.8 Volt DC at
MP 27 (S2404_Pin C)
Yes
1.8 Volt DC at
MP 103 (S2405_Pin C)
and MP 104
(S2406_Pin C)
Yes
No
No
Walkman Button
Problems TRS guide
Up and Down Button Problems TRS guide
TROUBLESHOOTING
Go to
Go to Volume
Replace
X4200
SL 5 Replace
N2000
SL 4 Escalate
No
0 Volt DC
(V2470_Cathode)
Yes
SL 5 Replace
R2470 or N2010
SL 4 Escalate
SL 4 Replace
SL 5 Replace
At MP 83
Replace
X4200
V2470
N2000
No
Yes
Press the
On/Off Key
1.8 Volt DC at
MP 54 (R2470)
3.7 Volt DC At MP 83
(V2470_Cathode)
No
Yes
Yes
3.7 Volt DC At MP 83
(V2470_Cathode)
No
Disconnect:
Slider Flex Module
from the PBA
Replace
X2401
Go to
Navigation Keypad
Problems TRS guide
Yes
the problem with Numeric Keypad
No
SL 5 Replace
R2471 or R2472
SL 4 Escalate
Is
No
No
1.8 Volt DC at
MP 80 (S2403_Pin A)
Yes
Are
there problems
with both Numeric
and Navigation
Keypads
Yes
1.8 Volt DC at
MP 52 (V2474_Pin 1)
and MP 53
(V2474_Pin 2)
Yes
No
Problems TRS guide
Go to
Camera Button
SL 5 Replace
N2010
SL 4 Escalate
Flash the Phone with
EMMA SUCR SW
No
0 Volt DC at
MP 53 (V2474_Pin 2)
when press the
Key ”1"
Yes
Yes
0 Volt DC at
MP 52 (V2474_Pin 1)
when press the
Key ”6"
No
SL 5 Replace
SL 4 Escalate
1225-4035 rev. 1
N2010
12 (122)
TROUBLESHOOTING
Nav igation Keypad Problems - Volume Up an d D own Bu t to n Prob lems
SEMC Troubleshooting Manual
G705 - W705 - W715

Navigation Keypad Problems

START
Step 1:
Use TRS Fixture
Connect:
PBA Key Navi and Slider Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
Perform Keypad Scan Test by pressing all Keypads on the
Key PBA Navi
If successful then Replace
Key PBA Navi or Slider Flex Module
If not go to step 2.
Step 2:
Continue with the
Navigation Keypad Problems TRS guide
Connect: VBATT and DCIO/SEPI
Replace
S2406
SL 5 Replace
N2010
SL 4 Escalate
SL 5 Replace
R2473 or N2010
SL 4 Escalate

Volume Up and Down Button Problems

START
Use TRS Fixture
0 Volt DC
No
No No
At MP 104
(S2406_Pin C)
Yes
Is MP 104
(S2406_Pin C)
short circuit to GND
(Shield Can
Fence)
Press the
S2406 Volume Up
Button
Yes
1.8 Volt DC at MP 104
(S2406_Pin C)
Yes
TROUBLESHOOTING
Is the
problem
with S2406
Volume Up Button
Replace
X4200
Is the
Numeric Keypad
Ok
Yes
Remove the
S2406 Volume Up
Go to
NoYes
Numeric Keypad
Button
Problems TRS guide
No
1.8 Volt DC at MP 103
(S2405_Pin C
No
SL 5 Replace
V2473 or N2010
SL 4 Escalate
Replace
S2405
SL 5 Replace
N2010
SL 4 Escalate
Yes
No
Is MP 104
(S2406_Pin C)
still short circuit to
GND
(Shield
Can Fence)
0 Volt DC at MP 103
(S2405_Pin C)
Yes
No
Replace
S2406
Press the
S2405 Volume Down
Button
Yes
Replace
S2405
SL 5 Replace
V2473 or N2010
SL 4 Escalate
No
Is MP 103
(S2405_Pin C)
still short circuit to
the GND (
Yes
Shield
Can Fence)
Remove the
S2405 Volume Down Button
SL 5 Replace
R2474 or N2010
SL 4 Escalate
Yes
No
1225-4035 rev. 1
Is MP 103
(S2405_Pin C)
short circuit to GND
(Shield Can
Fence)
13 (122)
TROUBLESHOOTING Camera Butto n Prob l e m s
- Walkman/Play & Stop B u tt o n Probl e m s
SEMC Troubleshooting Manual
G705 - W705 - W715
SL 5 Replace
V2472
SL 4 Escalate

Camera Button Problems

START
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Is MP 81
Yes
(S2403_Pin C)
Short circuit to
(Shield Can
Fence)
GND
Yes
1.8 Volt DC at
MP 80 (S2403_Pin A)
Walkman/Play and Stop Button Problems
START
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
SL 5 Replace
V2472
SL 4 Escalate
Yes
Is MP 28
(S2404_Pin A)
Short circuit to
(Shield Can
Fence)
GND
Yes
TROUBLESHOOTING
1.8 Volt DC at
MP 27 (S2404_Pin C)
SL 5 Replace
N2010
SL 4 Escalate
Replace
S2403
Yes
0 Volt DC at
MP 80 (S2403_Pin A)
No
No
Press the
S2403 Camera Button
Replace
S2403
Go to Volume Up and Down Button Problems TRS guide
No
(S2403_Pin A)
Short circuit to
Yes
No
Is MP 80
(Shield Can
Fence)
GND
SL 5 Replace
N2010
SL 4 Escalate
Replace
S2404
Yes
0 Volt DC at
MP 27 (S2404_Pin C)
No
SL 5 Replace
R2475 or N2010
SL 4 Escalate
SL 4 Replace
S2404
SL 5 Replace
L2409
No
No
Press the
S2404 Walkman Button
1.8 Volt DC at
MP 51 (V2475_Pin 1)
Yes
No
No
Is MP 27
(S2404_Pin C)
Short circuit to
(Shield Can
Fence)
Yes
SL 5 Replace
V2475 or V2480
SL 4 Escalate
GND
1225-4035 rev. 1
14 (122)
TROUBLESHOOTING
N umeric Keypad LED Proble m s - N avig ation Keypad LED Problems
SEMC Troubleshooting Manual
G705 - W705 - W715

Numeric Keypad LED Problems

START
Load ITP SW into the Phone
Use TRS Fixture
Connect: Key Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Numeric Keypad
If Numeric Keypad LED is working on the TRS Fixture
then Replace Key Flex Module
If not then continue with the
Numeric Keypad LED Problems TRS guide
1: Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Deactivate:
Numeric Keypad
2: Disconnect the Key Flex Module from the PBA

Navigation Keypad LED Problems

START
Load ITP SW into the Phone
Use TRS Fixture
Connect: Slider Flex Module and PBA Key Navi to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Navigation Keypad
If Navigation Keypad LED is working on the TRS Fixture
then Replace Slider Flex Module or PBA Key Navi
If not then continue with the
Navigation Keypad LED Problems TRS guide
1: Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Deactivate:
Navigation Keypad
TROUBLESHOOTING
SL 5 Replace
N2000
SL 4 Escalate
No
Yes
Fault Trace SW
Activate:
Numeric Keypad
0 Volt DC
At MP 46
(V4205_Cathode)
3.8 Volt DC At MP 46
(V4205_Cathode)
No
Is MP 46
(V4205_Cathode)
Short circuit to
PBA GND
(V4204_Pin 2)
Short circuit to PBA
Can Fence)
No
Is MP 88
(Shield
GND
Can Fence)
(Shield
Yes
Yes
SL 5 Replace
V4205
SL 4 Escalate
SL 5 Replace
V4204
SL 4 Escalate
Replace
X4200
2: Disconnect the Slider Flex Module from the PBA
3.8 Volt DC at MP 49
No
(V4207_Cathode)
Yes
Fault Trace SW
Activate:
Navigation Keypad
0 Volt DC
at MP 49
NoYes
(V4207_Cathode)
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
Replace
X2401
Yes
No
SL 5 Replace
N2000
SL 4 Escalate
1225-4035 rev. 1
15 (122)
TROUBLESHOOTING Navigation Ora n g e LE D Prob le m s
- Web Shor tcu t LE D Prob le m s
SEMC Troubleshooting Manual
G705 - W705 - W715

Navigation Orange LED Problems

START
Load ITP SW into the Phone
Use TRS Fixture
Connect: Slider Flex Module and PBA Key Navi to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Navi Orange LED
If Navigation Orange LED is working on the TRS Fixture then
Replace Slider Flex Module or PBA Key Navi
If not then continue with the
Navigation Orange LED Problems TRS guide
1: Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Deactivate:
Navi Orange LED
2: Disconnect the Slider Flex Module from the PBA

Web Short Cut LED Problems

START
This TRS guide is valid ONLY
Load ITP SW into the Phone
Connect: Key Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
If Web Short Cut LED working on the TRS Fixture then
Replace Key Flex Module
If not then continue with the
Web Short Cut LED Problems TRS guide
1: Use Fault Trace SW and go to:
2: Disconnect the Key Flex Module from the PBA
NOTE !
for G705 Phones.
Use TRS Fixture
MMI
Misc Init Screen Testing Led and Backlight
Activate:
Numeric Keypad
MMI
Misc Init Screen Testing
Deactivate:
Numeric Keypad
TROUBLESHOOTING
Replace
X4200
3.8 Volt DC at MP 50
(V4206_Cathode)
Yes
Fault Trace SW
Activate:
Navi Orange LED
0 Volt DC
at MP 50
V4206_Cathode
No
NoYes
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
Replace
X2401
No
Fault Trace SW
Activate:
Numeric Keypad
0 Volt DC
(V4204_Pin 1)
Yes
Yes
at MP 89
3.8 Volt DC at
MP 89 (V4204_Pin 1)
No
Is MP 89
(V4204_Pin 1)
Short circuit to
PBA GND
(V2408_Cathode)
Short circuit to
PBA GND
(Shield
Can Fence)
No
Is MP 94
(Shield
Can Fence)
No
Yes
Yes
SL 5 Replace
V4204
SL 4 Escalate
SL 5 Replace
V2408
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
1225-4035 rev. 1
16 (122)
TROUBLESHOOTING Tally LED Problems
- Flash LED Problems
SEMC Troubleshooting Manual
G705 - W705 - W715

Tally LED Problems

START
Load ITP SW into the Phone
Use TRS Fixture
Connect: SIM Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Tally LED
If the Tally LED is working on the TRS Fixture
then Replace SIM Flex Module
If not continue with the
Tally LED Problems TRS guide
Fault Trace SW
Deactivate:
Tally LED

Flash LED Problems

START
Load ITP SW into the Phone
Use TRS Fixture
Connect: SIM Flex Module to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Flash LED
If the Flash LED is working on the TRS Fixture then
Replace SIM Flex Module
If not continue with the
Flash LED Problems TRS guide
1: Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Deactivate:
Flash LED
TROUBLESHOOTING
SL 5 Replace
V2402
SL 4 Escalate
Yes
1.4 Volt DC at MP 18
(V2402_Pin 3)
Yes
Fault Trace SW
Activate:
Tally LED
1.8 Volt DC at MP 15
(V2402_Pin 1)
No
No
Replace
X2402
SL 5 Replace
N2010
SL 4 Escalate
2: Disconnect the SIM Flex Module from the PBA
3.8 Volt DC at MP 21
(V2483_Cathode)
Yes
Fault Trace SW
Activate:
Flash LED
0 Volt DC
at MP 21
(V2483_Cathode)
No
No
Is MP 21
(V2483_Cathode)
Short circuit to PBA
GND
(Shield
Can Fence)
SL 5 Replace
N2000
SL 4 Escalate
Yes
No
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
V2483
SL 4 Escalate
Yes
Replace
X2402
1225-4035 rev. 1
17 (122)

Trickle Charge LED Problems

START
Load ITP SW into the Phone
Use TRS Fixture
Connect: PBA Key Navi and Slider Flex Module
to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Charge LED
If the Trickle Charge LED is working on the TRS Fixture
then Replace PBA Key Navi or Slider Flex Module
If not continue with the
Trickle Charge LED Problems TRS guide
TROUBLESHOOTING Trickle Ch a rg e LED Problems
SEMC Troubleshooting Manual
G705 - W705 - W715
TROUBLESHOOTING
SL 4 Replace
X4200
SL 5 Replace
N2000
1225-4035 rev. 1
18 (122)
TROUBLESHOOTING Main Camera Proble m s
- VGA Camera Problems
SEMC Troubleshooting Manual
G705 - W705 - W715

Main Camera Problems

START
Flash the Phone with EMMA SUCR SW and go to
If both tests are successful then claim SW Flash
If not then continue with the Main Camera Problems TRS guide
The Main Camera is the same as Camera
The VGA Camera is the same as Video call camera
The Main Camera 3.2 Mpixel CMOS must be mounted inside
the X4300 when performing this TRS guide.
Ignore this messages if they appear
(In the right corner of the Fault Trace SW)
”
...timeout when reading” and
Service Tests Menu
Perform Main and VGA Camera Tests
Info:
Is the
Problem with both
Main and VGA
Camera
Yes
1: Load ITP SW into the Phone
2: Use TRS Fixture
Connect: VBATT and DCIO/SEPI
3: Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
Main Camera Test
NOTE !
NOTE !
in the Trace window
”Error_CommandFailed, ERR”
No
Is the
VGA Camera
Ok
Yes
Is X4300
Damaged /
Bad connection
No
Replace
Main Camera 3.2 Mpixel CMOS
Is the
Main Camera
Ok
No
Problems TRS guide
Yes
Yes
3.2 Mpixel CMOS
Go to
VGA Camera
Replace
X4300
Claim
Main Camera
Flash the Phone with EMMA SUCR SW and go to Service Tests Menu
Connect: Slider Flex Module, PBA Key Navi and Display to the PBA
SL 4 Replace
X4200
SL 5 Replace
N2600 or N2010

VGA Camera Problems

START
Step 1:
Perform the: Main and VGA Camera Tests
If the tests are successful then claim SW Flash
Load ITP SW into the Phone and go to step 3.
If the VGA Camera is working properly on the TRS Fixture then
If not then continue with the VGA Camera Problems TRS guide
(Info: The Main Camera is the same as Camera
The VGA Camera is the same as Video call camera)
Yes
if not go to step 2.
Step 2:
Step 3:
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
VGA Camera Test
Replace Slider Flex Module
Is the
Main Camera
Ok
No
Problems TRS guide
TROUBLESHOOTING
Go to
Main Camera
Replace
N2203
SL 5 Replace
L2100 or N2010
SL 4 Escalate
SL 4 Replace
N2203 or N2204
SL 5 Replace
N2010
Yes
Yes
1.8 Volt DC
at MP 40 (TP2214)
No
13 MHz
CAMSYSCLK at
MP 32 (R4303) Shortly
after the Main Camera
Test has been
activated
No
Yes
No
2.8 Volt DC
at MP 38 (TP2213)
And 1.8 Volt DC at
MP 26 (TP2215)
No
Use Fault Trace SW and
Repeat the Main Camera Test
More than
2 Volt Pk-Pk Pulses
at MP 31 (R2282) Shortly
after the Main Camera
Test has been
activated
Yes
No
Replace
N2203
Replace
N2204
SL 5 Replace
N2010
SL 4 Escalate
1225-4035 rev. 1
19 (122)
TROUBLESHOOTING Charging Problems
- USB/VBUS Charging Problems
SEMC Troubleshooting Manual
G705 - W705 - W715

Charging Problems

START
Step 1:
Perform Charging Test
If NOT
successful go to step 2.
Step 2:
Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
3.8 Volt DC at
MP 34 (TP2201)
Yes
Is MP 33
(TP2202)
Short circuit to PBA
(Shield
GND
Can Fence)
No
Yes
Replace
X2201
Replace
V2200

USB/VBUS Charging Problems

START
Perform System Connector Protection Test
If successful go to step 2.
Use Phone with Normal SW (SSW)
Use TRS Fixture and connect: VBATT
Connect: USB Cable from the PC to the Phone
Step 1:
Step 2:
5V – 5.2V DC at
MP 62 (C2433)
No
Yes
TROUBLESHOOTING
SL 5 Replace
N2000
SL 4 Escalate
Disconnect:
VBATT and DCIO/SEPI
No
No
5 Volt DC at
MP 16 (C2440)
No
Is
MP 16
(C2440) and MP 17
(C2441) Short circuit to
GND (Shield Can
Fence)
No
5 Volt DC at
MP 13 (X2405_Pin 12)
Yes
Yes
Yes
SL 4 Replace
V2202
SL 5 Replace
N2000
SL 4 Replace
V2202
SL 5 Replace
C2440, C2441 or
N2000
Replace
R2490
Replace
N2421
Yes
5V – 5.2V DC at
MP 6 (X2405_Pin 1)
Yes
Disconnect:
VBATT and USB Cable
Is
L2452 = Max 1 Ohm
No
No
Replace
X2405
Replace
L2452
R2449 = Max 1 Ohm
Is
No
Yes
Replace
X2405
Replace
R2449
1225-4035 rev. 1
20 (122)
TROUBLESHOOTING SIM Problems
- Memory Stick Problem s
SEMC Troubleshooting Manual
G705 - W705 - W715
Activate:
SIMVCC
SIMVCC On
Activate:
SIMRSTn
1.8 Volt DC at
MP 20 (C2419)

SIM Problems

Please follow the instructions from 1 to 5
1: Disconnect: VBATT and DCIO/SEPI
2: Disconnect: SIM Flex Module from the PBA
3: Restart the Fault Trace SW
4: Connect: VBATT and DCIO/SEPI
5: Use Fault Trace Sw and go to:
Logic
SIM Card Control
Yes
No
1.8 Volt DC at
MP 14 (C2420)
Is C2419
Short circuit
START
Load ITP SW into the Phone
Connect: SIM Flex Module to the PBA and Insert the Test SIM
If the SIM Com Test is passed then Replace SIM Flex Module
If not then continue with the SIM Problems TRS guide
No Yes
Yes
V2477 or C2414 Short
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
and Flash the Phone with EMMA SUCR SW
Is any of C2420,
circuit
SL 5 Replace
C2419
SL 4 Escalate
Step 1:
Step 2:
Use TRS Fixture
Logic
SIM Card Control
Activate:
SIM Com Test
SL 5 Replace
C2420, V2477
SL 4 Escalate
SL 5 Replace
No
SL 4 Escalate
or C2414
N2000

Memory Stick Problems

START
Is X2403
damaged
No
Load ITP SW into the Phone
Insert Memory M2 Card
Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
Use Fault Trace SW
Yes
TROUBLESHOOTING
Replace
X2403
Yes
SIMVCC On
SIMRSTn On
Activate:
SIMCLK
1MHz and
1.8V – 2V Pk-Pk at MP 110 (R2410)
Yes
SIMVCC On
SIMRSTn On
SIMCLK On
Activate:
SIMDAT
No
1MHz and
1.8V-2.2V Pk-Pk at MP 35 (SP2410)
1.8 Volt DC at
MP 111 (R2411)
No
No
Yes
No
Yes
SL 5 Replace
N2000 or N2010
SL 4 Escalate
SL 5 Replace
N2010
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
SL 4 Replace
X2402
SL 5 Replace
R2416
SL 4 Replace
X2403
SL 5 Replace
N2000
No
Fault trace SW
Logic
SIM Card control
Activate:
Memory Stick Test
Is the
Memory Stick Test
Passed
No
1.8 Volt DC at MP 47 (C2421
VMC18)
Flash the Phone with
Yes
Yes
EMMA SUCR SW
SL 4 Replace
X2403
SL 5 Replace
N2010
SL 5 Replace
N2000
SL 4 Escalate
Yes
1.8 Volt DC at
MP 108 (C2413)
No
SL 5 Replace
C2413 or N2010
SL 4 Escalate
1225-4035 rev. 1
21 (122)

Microphone Problems

TROUBLESHOOTING Microphone Problems
- Earphone Problems

Earphone Problems

START
SEMC Troubleshooting Manual
G705 - W705 - W715
START
Step 1:
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Step 2:
Continue with the
Microphone Problems TRS guide
Use Fault Trace SW and go to:
Audio and FM Radio
Audio Loop Test
Audio Input: Mic1
Loop Mode: Analog
Audio Output: Loudspeaker
Apply Audio Loop
Replace Slider Flex Module and retest the Phone
Step 1:
If successful claim Slider Flex Module
If not go to step 2.
Step 2:
Replace PBA Key Navi and retest the Phone
If successful claim PBA Key Navi
If not go to step 3.
Step 3:
Load ITP SW into the Phone
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Use Hands-Free (PHF) and continue with the
Earphone Problems TRS guide
1: Use Fault Trace SW and go to:
Audio and FM Radio
Audio Loop Test
Audio Input: AUX1
Loop Mode: Analog
Audio Output: Earphone
Apply Audio Loop
2: Remove the DCIO/SEPI Cable from the PBA
and Insert the Hands-Free (PHF) set to the PBA
TROUBLESHOOTING
2.2 Volt DC at
MP 87 (L3122)
Yes
0.7V – 1V DC at MP 86 (L3120)
No
Disconnect:
VBATT and DCIO/SEPI
No
Yes
Disconnect:
VBATT and DCIO/SEPI
Is
L3122 = Max 1.5 Ohm
SL 4 Replace
B3100
SL 5 Replace
N2000
Is L3120 = Max 1.5 Ohm L3101 = Max 1.5 Ohm
Yes
No
No
SL 5 Replace
L3122
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
L3122 or L3101
SL 4 Escalate
2.6 Volt DC
at MP 66 (R2306) and
MP 67 (R2301)
Yes
More than
100 mV AC Pk-Pk
at MP 39 (TP3104) and
MP 42 (TP3105) when
blowing into
PHF mic
Yes
Replace
X4200
No
SL 5 Replace
N2000
SL 4 Escalate
No
Yes
Replace
B3100
1225-4035 rev. 1
22 (122)
TROUBLESHOOTING Loudspe a ker Probl e m s
- Handsfree (PHF) Prob lems
SEMC Troubleshooting Manual
G705 - W705 - W715
START
Step 1:
Replace Loudspeaker and retest the Phone
If successful claim Loudspeaker
If not go to step 2.
Step 2:
Load ITP SW into the Phone
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Signal Generator Instrument
Use Fault Trace SW
Continue with the Loudspeaker Problems TRS guide

Loudspeaker Problems

Use Fault trace SW and go to:
1: Audio and FM Radio
Audio Output: Loudspeaker
Frequency: 103 MHz
Set Fm Radio
GPIO Manager
GPIO-Read: GPIO_06
(Info: Read Out GPIO_06 value)
Remove: DCIO/SEPI Cable
Connect: Customized FM Radio Cable
Black Lab Plug to TRS Fixture GND Input
and PHF Connector to the Phone System Connector
Signal Generator
Instrument Settings:
Frequency: 103 MHz Amplitude/Level: 50μV FM Dev: +/-22.5 kHz FM Rate: 1kHz
FM Radio
2: Logic
Application
Replace
N2422
SL 5 Replace
N2010
SL 4 Escalate
Flash the Phone with
EMMA SUCR SW
SL 5 Replace
R2437
SL 4 Escalate
No
Yes
No
Yes
1.8 Volt DC
at MP 41 (SP2432)
No
2.6 Volt DC
at MP 125 (R2434)
Yes
0 Volt DC
at MP 122 (R2437)
Yes
Hands-Free (PHF) Problems
Use Fault trace SW and go to:
Audio and FM Radio
Audio Loop Test
Audio Input: AUX1
Loop Mode: Analog
Audio Output: AUX Earphone
Apply Audio Loop
Remove the DCIO/SEPI cable
and Insert Hands-Free (PHF) set
Blow into the
Hands-Free (PHF) Mic
START
Step 1:
Perform
System Connector Protection Test
If successful go to step 2.
Step 2:
Load ITP SW into the Phone
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
SL 5 Replace
N2000
SL 4 Escalate
No
TROUBLESHOOTING
SL 4 Replace
N3100
SL 5 Replace
N2000
SL 4 Replace
V3101 or N3100
SL 5 Replace
C3109 or C3111
No
More than
40 mV AC Pk-PK
1 KHz signal at
MP 56 (C3137) and
MP 55 (C3148)
Yes
2.6 Volt DC
at MP 66 (R2306) and
MP 67 (R2301)
No
Yes
Is any of
MP 44 (X3102_Pin 1)
Yes No
or MP 45 (X3102_Pin 2)
Short circuit to the GND
(Shield Can
Fence)
No
Is the
Result
GPIO_06 = HIGH
Yes
1: Disconnect:
Customized FM Radio Cable and VBATT
2: Remove the PBA from the TRS Fixture
SL 5 Replace
N2000
SL 4 Escalate
SL 4 Replace
N3100
SL 5 Replace
N2010
Replace
V2417
SL 4 Replace
L2401 or L2402
SL 5 Replace
L2453 or L2455
Replace
X2405 or N3101
Replace
L2403, L2404
L2405 or L2408
No
No
No
0 Volt DC
at MP 10
(V2417_Cathode)
Are
L2401, L2402
L2453 and L2455
= Max 2 Ohm
Yes
Are
L2403, L2404
L2405 and L2408
= Max 2 Ohm
Yes
Can you
hear anything at
PHF earphone when
blowing into the
PHF Mic
Disconnect:
VBATT and DCIO/SEPI
Disconnect:
Hnds-Free (PHF) Set
SL 5 Replace
N2000
SL 4 Escalate
Disconnect:
VBATT and DCIO/SEPI
No
No
No
No
2V – 2.2V DC at
MP 68 (R3156)
Yes
More than
100 mV AC Pk-Pk
at MP 76 (C3124), MP 75
(C3125), MP 69 (C3155) and
MP 78 (C3156) when blowing
into the PHF mic
Yes
More than
100 mV AC Pk-Pk at
MP 74 (C3149) and MP 77
(C3150) when blowing
into the PHF mic
Yes
More than
100 mV AC Pk-Pk at
MP 8 (L2403) and MP 9
(L2404) when blowing
into the PHF mic
Replace
X3102
Replace
N3100
Yes
No
Is X3102
damaged
Is
L3103, L3104
L3110, L3111, L3113
and L3114
= Max 1 Ohm
SL 5 Replace
Yes
Yes
L3103, L3104
NoYes
L3110, L3111
L3113 or L3114
SL 4 Escalate
Replace
L2406
No Yes
L2406 = Max 0.5 Ohm
Is
Replace
X2405 or N3101
Replace
X2405
1225-4035 rev. 1
23 (122)
TROUBLESHOOTING FM Radio Problems
- FM Radio Anten na Prob l e m s
SEMC Troubleshooting Manual
G705 - W705 - W715
START
Be very careful when cutting the
Shield Can Fence to avoid component damage
Go to
Loudspeaker
Problems TRS guide
Go to
Hands-Free (PHF)
Problems TRS guide
NOTE !
No
Yes
Is the
Loudspeaker
Ok

FM Radio Problems

No
Loudspeaker nor with
FM Radio Is not
working neither with
PHF set
Yes
START
Perform System Connector Protection Test
If successful continue with the
FM Radio Antenna Problems TRS guide

FM Radio Antenna Problems

Is the
FM Radio Problems
TRS guide
finished?
Yes
No
TROUBLESHOOTING
Go to
FM Radio Problems
TRS guide
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
C3145 or C3146
SL 4 Escalate
1: Remove the DCIO/SEPI Cable
Frequency: 103 MHz Amplitude/Level: 50 μV FM Dev: +/-22.5 kHz FM Rate: 1 kHz
Yes
2: Connect:
Customized FM Radio Cable
Black Lab Plug to
TRS Fixture GND Input and
PHF Connector to the
Phone System Connector
Signal Generator
Instrument Settings:
More than
40 mV AC Pk-Pk
1 KHz signal at MP 106
(C3145) and
MP 105 (C3146)
Is any of
C3145 or C3146
Short circuit
Replace
R2451
1: Load ITP SW into the Phone
2: Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
3: Use Fault Trace SW and go to:
Audio and FM Radio
Audio Output: Loudspeaker
NoYes
No
Change Amplitude/Level to:
FM Radio
Frequency: 103 MHz
Set Fm Radio
Signal Generator
Instrument Settings:
800 μV
Is there
any signal on
MP 106 (C3145) and
MP 105 (C3146)
Yes
Go to
FM Radio Antenna
Problems TRS guide
SL 5 Replace
L3300
SL 4 Escalate
No
No
R2451 = Max 1 Ohm
L3300 = Max 1 Ohm
Is
Yes
Is
Replace
N1300
Is the
Signal
Ok
Digital Multimeter Instrument (DMM)
Yes
Yes
No
Yes
Use the
for these measurements
Is C3306
Short Circuit
No
Is MP 7
(X2405_Pin 2)
Connected to GND
(Shield Can
Fence)
SL 5 Replace
V2413
SL 4 Escalate
Claim Component
N1300
Yes
No
SL 5 Replace
C3306
SL 4 Escalate
Replace
X2405
SL 4 Replace
N1300
SL 5 Replace
N2010
No
1.8 Volt DC
No Yes
at MP 5 (R3302
FM_INT)
SL 4 Replace
N1300
SL 5 Replace
N2100
1225-4035 rev. 1
24 (122)
TROUBLESHOOTING Bluetooth Probl e m s
- WLA N Prob le m s
SEMC Troubleshooting Manual
G705 - W705 - W715
Fault trace SW Settings:
TX and RX
Bluetooth
Channel 0
Set MaxPwr MOD 0
NOTE!
MODE 0 Frequency is
2401.84 MHz
(±0.05 MHz)

Bluetooth Problems

Spectrum Analyzer
Instrument Settings:
Frequency: 2402 MHz
Span: 10 MHz
Amplitude: 10 dBm
Use Peak Search (MKR)
Connect SMK RF Probe to
X1500 RF Connector on PBA
Yes
Fault trace SW Settings:
TX and RX
Bluetooth Channel 0
Turn Off
(This must be done before the
next step)
Set MaxPwr MOD 1
NOTE!
MODE 1 Frequency is
2402.14 MHZ
(±0.05 MHz)
1: Load ITP SW into the Phone
2: Use TRS Fixture
VBATT and DCIO/SEPI
3: Connect RF Cable Flexible
with SMK RF Probe to the
Spectrum Analyzer instrument
4: Use Fault Trace SW
Is the
Blt MaxPwr MOD 0
1 dBm
(±3 dBm)
Disconnect the SMK RF Probe
and connect RF Probe to the
Spectrum Analyzer instrument
NOTE! Do not use 10:1 Divider
Connect:
Yes
No
Frequency: 2402 MHz
Span: 10 MHz
Amplitude: 10 dBm
Use Peak Search (MKR)
START
Step 1:
Flash the Phone with
EMMA SUCR SW
and retest the Phone
If successful claim SW Flash
If not go to step 2.
Step 2:
Continue with the
Bluetooth Problems TRS guide
Max
0.5 Ohm between
MP 107 (X1500_Pin 1)
and MP 109
(X1500_Pin 2)
No
Replace
X1500
Replace
X1500
Max
0.5 Ohm between
No
MP 107 (X1500_Pin 1)
and MP 109
(X1500_Pin 2)
Yes
1: Load ITP SW into the Phone
2: Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
3: Connect RF Cable Flexible
with SMK RF Probe to
Spectrum Analyzer instrument
4: Use Fault Trace SW

WLAN Problems

Spectrum Analyzer
Instrument Settings:
Frequency: 2442 MHz
Amplitude: 20 dBm
Use Peak Search (MKR)
SMK RF Probe to
X1500 RF Connector on PBA
Cover Lower Rear
Sub Assembly
(WLAN/BT Antenna)
Span: 10 MHz
Connect
Replace
START
Step 1:
Flash the Phone with
EMMA SUCR SW
and retest the Phone
If successful claim SW Flash
If not go to step 2.
Step 2:
Continue with the
WLAN Problems TRS guide
Fault trace SW Settings:
Yes
TX Output Power
TROUBLESHOOTING
TX and RX
WLAN
Wlan Settings
WLAN Turn On
Is the
WLAN
7 dBm
(±5 dBm)
No
No
Replace
N1300
No
Replace
Cover Lower Rear
Sub Assembly
or N1300
SL 4 Replace
N1300
SL 5 Replace
N2100
SL 5 Replace
N2010
SL 4 Escalate
Is the
Blt MaxPwr MOD 1
1 dBm
(±3 dBm)
Yes
MOD 1 Freq.
minimum 230 KHz
higher than
MOD 0 Freq.
Yes
26 MHz Signal
At MP 98 (R2121
BT_CLK)
Yes
Is
SL 4 Replace
3 dBm
at MP C1502
BT_ANT (± 5 dBm)
No
-1 dBm at
MP 2 (W1300_Pin 3)
and MP 3
(W1300_Pin 4)
(±5 dBm)
No
2.7 Volt DC at
YesNo
MP 4 (C1302
VBT27)
Yes
Yes
No
Replace
N1510
SL 5 Replace
W1300
SL 4 Escalate
SL 4 Replace
N1300
SL 5 Replace
N2000
Claim Componenet
N1500
SL 5 Replace
V2100 or N2010
SL 4 Escalate
Yes
No
N1510
SL 5 Replace
N1500
SL 4 Replace
N2300
SL 5 Replace
N2010
SL 5 Replace
N1500
SL 4 Escalate
Is the
WLAN problem
solved
Yes
No
Yes
Are all
Voltages
Ok
No
1.8 Volt DC at MP 58 (R2313
WLAN_PDn)
Check the Following Voltages:
3.3V – 3.4V DC at MP 1 (R1516)
1.8V DC at MP 120 (R1503)
3.0V DC at MP 19 (R1523)
1.9V DC at MP 22 (R1501)
1225-4035 rev. 1
25 (122)
START
GSM Network Problems

TROUBLESHOOTING GSM Problems

SEMC Troubleshooting Manual
G705 - W705 - W715
Replace Cover Lower Rear Sub Assembly and retest the Phone
If successful claim Cover Lower Rear Sub Assembly
Load ITP SW into the Phone
Perform SERP Calibration and retest the Phone
If successful claim SERP Calibration
Disassembly the Phone and continue with the
GSM Network Problems TRS guide
Replace
Faulty Component
SL 5 Replace
L1207 or L1212
SL 4 Escalate
Step 1:
If not go to step 2.
Step 2:
If not go to step 3.
Step 3:
No
No
X1005 connected to GND
Are
X1000,X1001,
X1002,X1003,X1004 and
(Shield Can
Fence)
Yes
Are
L1207 and L1212
Max 0.5 Ohm
Yes
Yes
Max 0.5
Ohm between
MP 96 (X1200_Pin 1) and
MP 93 (X1200_Pin 2)
Max 0.5 Ohm
between MP 79 (R1206)
and MP 93
(X1200_Pin 2)
No
No
TROUBLESHOOTING
Replace
X1200
SL 5 Replace
R1220, L1205,
R1204 or R1206
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
Replace
N1211
No
No
2.8 Volt DC at MP 64 (C1218
LDOA_OUT)
Yes
2.8V DC
at MP 99 (C1207)
Yes
Yes
Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
Replace
N1200
Go to
SERP Calibration
Is the
GSM Network
Problem
solved
Yes
Claim Component
N1200
No
SL 5 Replace
N2010 or N2000
SL 4 Escalate
1225-4035 rev. 1
26 (122)

TROUBLESHOOTING WCDMA Problems

SEMC Troubleshooting Manual
G705 - W705 - W715
Go to
GSM Network
Problems TRS guide
Replace
N1200
Go to
SERP Calibration
WCDMA BAND I,II,V Network Problems
This TRS guide is ONLY
phones with support for WCDMA BAND I, II or V.
Perform SERP Calibration and retest the Phone
Is the
No
No
GSM Network
Ok
Yes
Is the
Problem with
WCDMA TX
Yes
START
NOTE !
valid for G705, W705 and W715
Step 1:
Load ITP SW into the Phone
If successful claim SERP Calibration
If not go to step 2.
Step 2:
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Fault Trace SW
TX and RX WCDMA
Radio Settings:
Select Band: BAND I
Fast select channels:
Set Low Channel
Ch LOW
Modes: Max Pwr 23dBm
Go to
GSM Network
Problems TRS guide
Replace
N1200
Go to
SERP Calibration
No
No
WCDMA BAND VIII Network Problems
This TRS guide is ONLY
phones with support for WCDMA BAND VIII.
Load ITP SW into the Phone
If successful claim SERP Calibration
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
TX and RX WCDMA
Select Band: BAND VIII
Fast select channels:
Modes: Max Pwr 23dBm
Is the
GSM Network
Ok
Yes
Is the
Problem with
WCDMA TX
Perform SERP Calibration and retest the Phone
Yes
START
NOTE !
valid for G705, W705 and W715
Step 1:
TROUBLESHOOTING
If not go to step 2.
Step 2:
Use TRS Fixture
Fault Trace SW
Radio Settings:
Set Low Channel
Ch LOW
Replace
N1200
Replace
N1210
SL 5 Replace
L1200
SL 4 Escalate
Replace
N1210
Is the
WCDMA TX
Problem solved
Yes
No
No
2.5V – 3V DC at MP 100 (C1215
WPA_A_EN)
No
Disconnect:
VBATT and DCIO/SEPI
Is
L1200 = Max 0.5 Ohm
Yes
SL 5 Replace
N2010 or N2000
SL 4 Escalate
Yes
Yes
3V – 3.8V DC at
MP 102 (C1206
VCC_WPA)
No
1.8 Volt DC at
MP 101 (R1210
WPA0_EN)
No
SL 5 Replace
N2010
SL 4 Escalate
Replace
N1200
Replace
N1210
SL 5 Replace
L1200
SL 4 Escalate
Replace
N1210
Is the
WCDMA TX
Problem solved
Yes
No
No
VBATT and DCIO/SEPI
L1200 = Max 0.5 Ohm
Yes
No
2.8V - 3V DC at MP 127 (C1214
WPA_C_EN)
Disconnect:
Is
SL 5 Replace
N2010 or N2000
SL 4 Escalate
Yes
Yes
3V – 3.8V DC at
MP 102 (C1206
VCC_WPA)
No
1.8 Volt DC at
MP 126 (R1209
WPA2_EN)
No
SL 5 Replace
N2010
SL 4 Escalate
Yes
Claim Component
N1210
Yes
Claim Component
N1210
1225-4035 rev. 1
27 (122)
TROUBLESHOOTING A-GPS Problems
SEMC Troubleshooting Manual
G705 - W705 - W715
A-GPS Problems part 1
START
This TRS guide is NOT
Flash the Phone with EMMA SUCR SW and retest the Phone
If successful claim SW Flash
Replace Cover Lower Rear Sub Assembly and retest the Phone
If successful claim Cover Lower Rear Sub Assembly
Load ITP SW into the Phone
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
NOTE !
valid for W705 Phones.
Step 1:
if not go to step 2.
Step 2:
if not go to step 3.
Step 3:
Use TRS Fixture
General
Asic Revisions
Read All
Is the
A-GPS (N1400)
Asic Revision Test
Ok
No
1.8 Volt DC at
MP 92 (R2315
AGPS_LDO_EN)
Yes
Yes
No
Go to

A-GPS Problems

part 2
SL 5 Replace
N2010
SL 4 Escalate
START
This TRS guide is NOT
Before following this guide the A-GPS Problems part 1
TRS guide must be finished!
Use Fault Trace SW and go to:
1: Use Signal Generator Instrument
2: Connect RF Cable Flexible from the Signal Generator
GPS Antenna RF Switch on the TRS Fixture
Amplitude/Level: -70 dBm
NOTE !
valid for W705 Phones.
NOTE !
Tx and Rx
GPS GPS Settings Turn On GPS
Instrument to the
Signal Generator
Instrument Settings:
Frequency: 1574.2 MHz
A-GPS Problems part 2
Use Spectrum Analyzer Instrument
Spectrum Analyzer Instrument Settings:
Frequency: 1574.2 MHz
Amplitude: -20 dBm
Use Peak Search (MKR)
Do not use 10:1 Divider
Yes
Span: 10 MHz
NOTE !
1577.4 MHz
-67 dBm signal at MP 90 (L1403)
(±0.2 MHz)
(±10 dBm)
No
TROUBLESHOOTING
Replace
N1400
2 Volt DC at
MP 91 (R1418
VAGPS20)
Yes
2.8 Volt DC at MP 95 (R1419
VAGPS28)
Yes
26 MHz at
MP 84 (R1414
AGPS_CLK)
Yes
No
No
No
SL 5 Replace
N2310
SL 4 Escalate
SL 5 Replace
N2311
SL 4 Escalate
SL 5 Replace
N2101 or N2010
SL 4 Escalate
Use Spectrum Analyzer Instrument
Spectrum Analyzer Instrument Settings:
Frequency: 1574.2 MHz
Span: 10 MHz
Amplitude: -20 dBm
Use Peak Search (MKR)
NOTE !
Do not use 10:1 Divider
1574.2 MHz
-63 dBm signal at MP 90 (L1403)
(±3 dBm)
No
1.6V – 1.8V DC
at MP 123 (C1407
POWER_ON_CONTROL)
Yes
1574.2 MHz
-70 dBm signal at
MP 124 (C1402)
(±3 dBm)
Yes
No
Yes
SL 4 Replace
N1400
SL 5 Replace
N2010
Replace
N1400
SL 4 Replace
N1410
SL 5 Replace
Z1401
27 MHz at
MP 85 (R1404)
Yes
No
Replace
B1400
SL 4 Replace
N1400
SL 5 Replace
N2010
No
SL 5 Replace
Z1400
SL 4 Escalate
1225-4035 rev. 1
28 (122)
TROUBLESHOOTING Accelerometer Probl e ms
- Vibrator Proble ms
SEMC Troubleshooting Manual
G705 - W705 - W715

Accelerometer Problems

START
Step 1:
Got to Service Tests Menu and perform
the Accelerometer Test
If successful
Flash the Phone with EMMA SUCR SW
if not go to step 2.
Step 2:
Load ITP SW into the Phone Use Dummy Battery connected to Power Supply Channel 1 (VBATT)
Connect: DCIO/SEPI Use Fault Trace SW
Fault Trace SW
General
Asic Revisions
Read All
Replace
B2000
Yes

Vibrator Problems

START
Step 1:
Load ITP SW into the Phone
Step 2:
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
Vibrator Test
TROUBLESHOOTING
Is
Accelerometer
(N2411)
Asic Revision
0x3b
Yes
Fault Trace SW
MMI
Misc
Init Screen Testing
Activate:
Accelerometer Test
NOTE! Read X, Y, Z information in
the Info Box.
Flash the Phone with
EMMA SUCR SW
Replace
N2411
No
NOTE! Read X, Y and Z information
NOTE! Repeat this Test Sequence
Yes
No
Replace
N2411
Move the Phone and
Activate
Accelerometer Test again
in the Info Box.
10 Times
Can
you see
that X, Y and Z information are changing in the
info box
Is MP 25, 29
(B2000_Pin 2 and 3)
Connected to PBA GND
(Shield Can Fence)
No
L4202 = Max 1.5 Ohm
Is
No
Yes
Remove the PBA
from the TRS Fixture
Scrap the
PBA
SL 5 Replace
L4202
SL 4 Escalate
SL 5 Replace
C4208 or C2003
SL 4 Escalate
Yes
Yes
2.7V – 3.5V
Pk-Pk Pulses DC at
MP 24 (TP4203)
No
Remove the PBA
from the TRS Fixture
Is any of
C4208 or C2003
Short circuit
No
SL 5 Replace
N2010
SL 4 Escalate
No
Is the
Accelerometer
Problem solved
Yes
Claim Component
N2411
SL 5 Replace
L4201
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
No
L4201 = Max 1.5 Ohm
Is
Yes
1225-4035 rev. 1
29 (122)
TROUBLESHOOTING Real Time Clock Problem s
- Slide Senso r Prob lems
SEMC Troubleshooting Manual
G705 - W705 - W715
START
Does
the Phone
Gain or Lose
Time

Real Time Clock Problems

Yes
Perform:
SERP Calibration

Slide Sensor Problems

START
Step 1:
Replace Magnet and retest the Phone
If successful claim Magnet
If not go to step 2.
Step 2:
Replace Hinge Slider Sub Assembly and retest the Phone
If successful claim Hinge Slider Sub Assembly
If not go to step 3.
Step 3:
Continue with the
Slide Sensor Problems TRS guide
SL 4 Replace
B4410
SL 5 Replace
N2010
TROUBLESHOOTING
No
Perform:
Backup Capacitor
Test
Is the
Test Passed
No
Yes
Is there
still problems with
Gaining or Losing
Time
Flash the Phone with
EMMA SUCR SW
SL 4 Replace
C2214
SL 5 Replace
N2000
Yes
No
Claim
SERP Calibration
Replace
B2100
1225-4035 rev. 1
30 (122)
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