SE W995 Schematic
ABOUT
SEMC Troubleshooting Manual
Troubleshooting Manual
W995
W995
ABOUT TROUBLESHOOTING MEASUREMENT POINTS
1230-1858 rev. 1
APPENDI XCOMPONENT OVERVIEW FUNCTIONAL OVERVIEW
1 (125)
ABOUT Contents
SEMC Troubleshooting Manual
W995
ABOUT
General information
The purpose of this document is to provide enhance d tec hnical information for Sony Eric s so n
repair technicians in order to assist during service, repair and troubleshooting op erati ons on S ony
Ericsson mobile phones. It should be used as a complement to other repair instructio ns and too ls
as notifi ed by the local Sony Ericsson representative.
To search for components throughout the entire document use the “search” functi on in Adob e
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 t he Bo ok mar ks
tab on the left side of the Adob e Ac robat Reader window. Each bookmark jumps to a page in t he
document.
Disclaimer
This document is Sony Ericsson confi dential and should be treated as confi dential in accordanc e
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 inst r uc t io ns and processes described in th e
Mechanical Working Instructions, the Gener ic Repair M anual and the Repair C enter Handbo ok
must be followed.
Revision History
Rev. Date Changes / Comments
106/24/2009Initital revision.
ABOUT
Contents 2
Equipme n t L ist 3
TROUBLESHOOTING
Power On/Off Problem s 7
Dead Phone Proble ms 7
Display Problems 9
Display Illumination Proble ms 9
Opto Sensor Problems 10
On Of f Key Probl e ms 10
Numeric Keyboard Pr o b l em s 11
Navigation Keys Problems 11
Operation Keys Probl em s 12
Volume Up and Down Button Proble ms 12
Camera Button Problems 13
Walkman Key Problems 13
Numeric Keyboard Illumi nat io n Pr o bl e ms 14
Navigation Keys Illumination Problems 14
Operation LED Pr o b le ms 15
Camera Butto n LED Pr o b le ms 15
Music LED Problems 16
Trickle Charge LED Problems 16
Flash LED Problems 17
Main Camera Problems 18
VGA/VT F C a m er a Pr o b le m s 19
Data Communic at i o n Pr o bl e ms 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 (PH F) Pr o b le m s 24
Audio Jack Problem s 25
FM Radio Problems 27
Bluetooth Probl em s 27
WLAN Problems 28
GSM Netwo rk Problems 28
WCDMA Network Prob l em s 29
A-GPS Problems 30
Accelerometer Problems 31
Vibrator Problems 31
Real Time Cloc k Pr o b l em s 32
Slide Sensor Probl em s 32
Video Comap ni o n C hip Pr o bl e ms 32
System Connector Protection Test 33
Current Consumptio n Test 33
Backup Capacitor Test 35
Charging Test 35
ASIC Revision Test 36
Measurement Points Pictures 37
MEASUREMENT POINTS
Primary Si de 49
Secondary Side 50
Upper PBA 51
Slider Flex Module 52
SIM Flex Module 52
Key Flex Module 52
Top Schematic 53
Audio Top 54
Audio Analog 55
Audio Digital 56
Audio FM Radio 57
Applicati o n & S yste m Performance Top 58
System Top 59
System Contro l - C l o cks & Resets 60
System Memories 61
System PoP IF 62
Power Top 63
Power Regulators & Char gin g 64
Power Imaging 65
Power ASICs 66
Power WL AN 67
Connectivity Top 68
Connectiv ity I2C & ADC 69
Connectivity Cards 70
Connectivity Connectivity 71
Connectivity Keypad 72
Connectivi ty Video Com pani on C hip 73
Imaging Top 74
Imaging Display 75
Imaging Camera 76
Imaging Flash LED Driver 77
Access Top 78
Access GS M & UMTS 79
Access Blu eto ot h 80
Access AGPS 81
Access WLAN 82
Upper PBA 83
Slider Flex Module 84
SIM Flex Module 84
Key Flex Module 84
COMPON E N T OV E RVIEW
Primary S i d e B - C 85
Primary S i d e D - Z 86
Secondary Side 87
FUNCTIONAL OVERVIEW
Technical De s c ription 88
Platform B l o c k D i a gr am 100
Block Dia gr a m Powe r D i st ribution 101
Block Diagr am C l o c k in g Concept 102
APPENDIX
Replaceable Components 103
Component s - B1400, B2100, B240 0 104
Component s - B 3100, B4200 104
Component s - C 2439-40, C4203, L2200 105
Component s - L2401-0 4, L3104, L3120-22 105
Component s - L2406, L2440, L 2443 105
Component s - L3134-35, L3116-17, L4200 105
Component s - L4400, N1210, N1211 106
Component s - N1400, N1410 107
Component s - N14111, N1412 107
Component s - N 2 2 00, N220 5, N 2206 108
Components - N2212, N2213, N2410 108
Component s - N 2411, N2421, N2422 109
Component s - N 3100, N3102 109
Component s - N 2420 110
Component s - N3101, N3103, N3104 111
Component s - N 4200, N44 01 111
Component s - R2449, R2451, R2490 112
Components - V2200, V2202, V2415-16 112
Components - V2417, V3103 112
Component s - X1000, X1004-5 113
Component s - X1006, X1200, X1500 113
Component s - X2201, X2401 113
Components - X2402, X2405, X2410 114
Component s - X4 300, X4301, Z1400 115
Component s - Z2400, Z4200-02 115
Troubleshooting Sof tware Doc u me ntation 116
Troubleshootin g Fi xture Setup Instr uctions 123
ABOUT
1230-1858 rev. 1
2 (125)
ABOUT Equipment List
SEMC Troubleshooting Manual
W995
W995 Equipment List
Troubleshooting Fixture
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Part number: 1222-7302
Note! Additional information about the TRS Fixture Kit can be found in the Trouble Shooting
Fixtures Setup Instructions document which is included in this TRS Manual.
Dummy Battery
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Part number: 1208-5627
Note! The resistance between GND and BDATA should be approximately 27K 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! Maximal cable length between the Power Supply Channel 1 VBATT and the dummy battery
must be maximum 1m. The cable must have a capacity for at least 16A.
ABOUT
Info: Additional information about the equipment used for TRS can be found in the following
location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf or
matris.xls – 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 is recommended by Sony Ericsson when the DMM is in use.
See Picture 1.
Picture 1
1230-1858 rev. 1
3 (125)
ABOUT
Equipment List
SEMC Troubleshooting Manual
W995
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: -
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 – W995 – Trouble Shooting Application – Project
File: W995, W995a Project_R1A
Drivers
SEPI BOX Drivers
Location: http://emma.extranet.sonyericsson.com
/– Drivers – DSS / SEPI / SEMUTS
Cables
USB Computer Cable
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
See Picture 3.
Picture 3
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 4.
Picture 4
ABOUT
SE Communication Interface SEPI BOX
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Part number: LTN 214 1484
See Picture 2.
Picture 2
SEPI Interface Cable – A1
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Part number: KRY 101 1119/1
See Picture 5.
Picture 5
1230-1858 rev. 1
4 (125)
ABOUT
Equipment List
SEMC Troubleshooting Manual
W995
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
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 6.
Picture 6
Step 3:
Cut off insulating material from inside of the charger plug according to Picture 8.
Picture 8
Step 4:
Connect DCIO Cable and SEPI Interface Cable – A1 according to Picture 9.
Picture 9
ABOUT
Note! The Cable length must be exact 1.3m.
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 7.
Picture 7
Picture 10
Note! This setup is wrong.
1230-1858 rev. 1
5 (125)
ABOUT
Equipment List
SEMC Troubleshooting Manual
W995
Connections Instructions for the Dummy Battery
This setup is correct when the Dummy Battery is in use.
See Pictures 11 and 12.
Picture 11
Picture 12
Test SIM GSM/UMTS
One Test SIM GSM/UMTS is needed to perform Current Consumption Test, see Picture 14.
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 14
Sony Memory Stick M2
Any functional Memory Stick Micro M2 Card
See Picture 15.
Picture 15
ABOUT
Test Cards
Local SIM
Any functional Local SIM Card
See Picture 13.
Picture 13
SMK RF Probe
Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf
Part number: SXA 109 6356
See Picture 16.
Picture 16
1230-1858 rev. 1
6 (125)
TROUBLESHOOTING Power On/Off Prob l e m s
- Dead Phone Problems
SEMC Troubleshooting Manual
W995
START
Use the
Dummy Battery Connected to
Power Supply Channel 1
(VBATT)
No
Is the
phone consuming
any current when
powering on the
phone
Yes
Is the current
consumption between
10mA to 70mA
Yes
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
No
Flash
the phone with the
correct CDA
software
Yes
Yes
Yes
Is it possible to power
off the phone
Is the phones
behavior as normal
Optimized
charging
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
Yes
No
Yes
Dead phone
Problems part 1
Consumption Test
after this go to
Charging Test
On-Off Key Problems
System Connector
No
Protection Test
after this go to
Data Communication
Problems TRS guide
Go to
TRS guide
Go to
Current
Go to
TRS guide
Go to
START
Before following this guide check if
C4203 is Short Circuit. If Yes Replace
C4203. If not go to step 1.
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 Step 2.
Connect: VBATT Only
Note!
Step 1:
EMMA SW
Press keys 2 and 5
Run EMMA SUCR SW
and retest the Phone
Step 2:
Use TRS Fixture
Replace
N2420 or N1200
SL 5 Remove
N2000
SL 4 Escalate
Is the
current consumption
still more than
1mA
SL 4 Replace
N2420
SL 5 Replace
N2000
Yes
Yes
Dead Phone Problems part 1
Is the
current consumption
more than 1mA
Try to trace
Faulty Component
by using Freezing Spray
N2420 or N1200
getting hot
No
No
SL 5 Replace
N2000
SL 4 Escalate
Try to trace Faulty
Component by using
Freezing Spray
1.8V DC at
MP 21 (R2243 VDDE18)
and 2.8V DC at MP 24
(C1218 LDOA_OUT)
Yes
Is
Yes
No
DCIO/SEPI to the Phone
MP 80 (R2103)
NoNo
Is X2201
Damaged
No
Connect:
32 kHz
at MP C2101
Yes
32 kHz
RTCCLK at
Yes
26 MHz
MCLK at
MP 1 (L2106)
Yes
No
No
2.6V MP 41 (R3119 VAUDIO26)
2.5V MP 23 (C2208 VANA25)
Yes
2.7V MP 25 (C2210 VBT27)
2.7V MP 26 (C2211 VDIG)
2.6V MP 27 (C2212 VBEAR26)
1.2V MP 84 (C2219 VCORE12)
1.8V MP 9 (L2202 VCORE18)
Replace
X2201
SL 4 Replace
B2100
SL 5 Replace
N2000 or N2010
SL 5 Replace
N2000
SL 4 Escalate
Check the following
Voltages:
TROUBLESHOOTING
Flash
the phone with
correct CDA
software
Load ETS SW
into the Phone
Is the ETS SW Flash
Successful
No
Go to
Data Communication
Problems TRS guide
No
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
Is the
Flash process
started
Yes
NoYes
Yes
Is the Problem
solved
Yes
Claim for a
SW Upgrade
Replace
N1211
SL 4 Replace
N1200
SL 5 Replace
N1300
SL 5 Replace
N2010
SL Escalate
SL 5 Replace
N2020
SL 4 Escalate
Go to Data
Communication
Problems TRS guide
No
Yes
Yes
2.8V DC
at MP 20 (C1207)
1.8V DC
at MP 76 (R2115)
No
ETS SW Flash
Successful
No
Yes
Is the
Go to
Dead Phone
Problems part 2
Step 1:
Disconnect:
VBATT and DCIO/SEPI
Step 2:
Connect:
Slider Flex Assy and PBA Navi Key
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 ETS SW
No
1230-1858 rev. 1
Are
all Voltages
Ok
Yes
7 (125)
TROUBLESHOOTING
Dead Phone Proble m s
SEMC Troubleshooting Manual
W995
Is the
VAUDIO26
Voltage
Ok
Yes
Is the
VANA25
Voltage
Ok
Yes
Dead Phone Problems part 2
START
Before following this guide the
Dead Phone Problems part 1 TRS guide
No
No Yes
NOTE !
must be finished
Is
N3103 or N2422
getting hot
Is any of
N2200 or N2010
getting hot
Yes
No
No
Replace
N3103 or N2422
SL 5 Replace
N2000
SL 4 Escalate
SL 4 Replace
N2200
SL 5 Replace
N2010
SL 5 Replace
N2000
SL 4 Escalate
Is the
VCORE12
Voltage
Ok
Yes
No
Dead Phone Problems part 3
START
Before following this guide the
Dead Phone Problems part 2 TRS guide
1.1V – 1.2V DC
at MP 83
(V2201_Cathode)
Yes
1.1V – 1.2V DC at
MP 84 (C2219)
NOTE !
must be finished
No
Yes
No
3.8 Volt DC at
MP 44 (L2201)
SL 5 Replace
N2000 or N2010
SL 4 Escalate
Replace
L2200
Yes
No
TROUBLESHOOTING
Replace
L2201
SL 5 Replace
V2201 or N2000
SL 4 Escalate
Is the
VBT27
Voltage
Ok
Yes
Is the
VDIG
Voltage
Ok
Yes
Is the
VBEAR26
Voltage
Ok
Yes
No
No
No
Is
N1300
getting hot
Is any of
N2411 or N1300
getting hot
SL 5 Replace
N2000
SL 4 Escalate
Go to
Dead Phone
Problems part 3
No
No
Yes
Yes
SL 5 Replace
N1300
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
SL 4 Replace
N2411
SL 5 Replace
N1300
SL 5 Replace
N2000
SL 4 Escalate
Is the
VCORE18
Voltage
Ok
Yes
Step 1:
Disconnect:
VBATT and DCIO/SEPI
Step 2:
Connect:
Slider Flex Assy and PBA Navi Key
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 ETS SW
No
Is
MP 9 (L2202)
Short circuit to
GND
No
Disconnect:
VBATT and DCIO/SEPI
Is
L2202 = Max 0.5 Ohm
Is the
ETS SW Flash
Successful
Yes
No
Yes
No
Yes
SL 4 Replace
N2200
SL 5 Replace
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 Data
Communication
Problems TRS guide
1230-1858 rev. 1
8 (125)
TROUBLESHOOTING Display Problem s
- Display Illumin at io n Prob le m s
SEMC Troubleshooting Manual
W995
Go to
Display illumination
Problems TRS guide
Display Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Slider Flex Assy, PBA Navi Key and Display to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
If the Display is working on the TRS Fixture
Display, Slider Flex Assy or PBA Navi Key
If not then continue with Display Problems TRS guide
No
Connect:
MMI
Misc
Init Screen Testing
Display Pattern
Activate:
TV Test Pattern
then Replace
Are the
Display Backlights
Ok
Display Illumination Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Use TRS Fixture Display Holder and Connect:
Slider Flex Assy, PBA Navi Key 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 the Display Backlight is working on the TRS Fixture then
Replace
Display, Slider Flex Assy or PBA Navi Key
If not continue with the
Display illumination Problems TRS guide
Is
C4203
Short Circuit
Yes
Are
L4200 and L4203
= Max 1 Ohm
Disconnect:
VBATT and DCIO/SEPI
No
Yes
No
Replace
N4200
Replace
C4203
TROUBLESHOOTING
SL 4 Replace
L4200
SL 5 Replace
L4203
Go to
Opto Sensor
Problems TRS guide
Replace
Z4200, Z4201 or
Z4202
SL 5 Replace
L4208 or L4209
SL 4 Escalate
Yes
No
No
Yes
Is the picture
too dark or
too light
Are all
Display Filters
Ok
Yes
Are
L4208 and L4209
= Max 2 Ohm
Disconnect: VBATT and DCIO/SEPI and
Remove PBA from the TRS Fixture
No
Use a Digital Multimeter instrument (DMM)
Display Filter Test 1 and Test 2
(It is recommended to use a microscope for these
Check that Pins: 1, 2, 3, 4, 5, 6, 7, 8
Max 15 Ohm between the following pins:
Test 1 and Test 2 must be made on all filters
and perform:
Z4200, Z4201 and Z4202
measurements!)
Display Filter Test 1:
are NOT
short circuit to GND
Display Filter Test 2:
Pin 1 and 5
Pin 2 and 6
Pin 3 and 7
Pin 4 and 8
NOTE !
2: Disconnect the Slider Flex Assy and remove
the Display Holder from the TRS Fixture
SL 4 Replace
V4203
SL 5 Replace
R4213 or N2000
Replace
X4300
1: Use Fault trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Deactivate:
Display Backlight
0 Volt DC
No
at MP 113 (TP4202)
When the Display
Backlight is
Yes
Activated
Yes
No
3.7V - 3.8V DC
at MP 111 (TP4201)
Yes
Fault trace SW
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Display Backlight
More than
15 Volt Pk-Pk Pulses
at MP 111 (TP4201)
Shortly after the Display
Backlight has been
Activated
No
Replace
X4300
Yes
Is the Display
Problem solved
No
Yes
Claim Component
X4300
SL 5 Replace
N2010
SL 4 Escalate
More than
3 Volt Pk-Pk
Pulses at MP 43 (R4200)
When the Display
Backlight is
Activated
Yes
No
SL 5 Replace
N2000
SL 4 Escalate
Replace
1230-1858 rev. 1
N4200
9 (125)
TROUBLESHOOTING Opto Sensor Prob l e m s
- On Off Key Problems
SEMC Troubleshooting Manual
W995
Go to
Display illumination
Problems TRS guide
Opto Sensor Problems
START
Replace Slider Flex Assy and retest the Phone
If successful claim Slider Flex Assy
Replace PBA Navi Key and retest the Phone
If successful claim PBA Navi Key
Replace Display and retest the Phone
If successful claim Display
if not continue with the
Opto Sense Problems TRS guide
No
Step 1:
if not go to step 2.
Step 2:
If not go to step 3.
Step 3:
Is the
Display
illumination (LEDs)
Ok
On/Off Key Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Use TRS Fixture Display Holder and Connect :
Slider Flex Assy and PBA Navi Key to the PBA
Connect:
Key Flex Assy and Keyboard 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 keys on the Numeric Keypad and the On/Off Key
TROUBLESHOOTING
Go to
Display Problems
TRS guide
SL 5 Replace
N2000
SL 4 Escalate
Yes
Can you see
No
No
any picture/image in
the Display
Yes
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
More than
1.8V Pk-Pk Pulse at
MP 77 (C4215 OPTOEN)
Shortly after phone
Power On
Yes
SL 4 Replace
X4300
SL 5 Replace
N2000
Replace
X4300
No
Are the
Numeric Keys
Ok
Yes
Is the
On/Off Key
Ok
No
Yes
Go to
Numeric Keyboard
Problems TRS guide
Replace
PBA Navi Key or
Slider Flex Assy
1230-1858 rev. 1
10 (125)
TROUBLESHOOTING Numeri c Keyboard Probl e m s
- Navigation Keys Problems
SEMC Troubleshooting Manual
W995
Numeric Keyboard Problems
START
Load ETS SW into the Phone
Connect Key Flex Assy and Keyboard to the PBA
Perform Keypad Scan Test by pressing all Keys on the
If successful Replace Key Flex Assy
Numeric Keypad Problems TRS guide
SL 5 Replace
R2472, R2483 or
SL 4 Escalate
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
If not then continue with the
N2010
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
Key Flex Assy
No
1.8 Volt at
MP 65 (V2475_Pin 2)
1: Disconnect the VBATT and DCIO/SEPI
Disconnect the Key Flex Assy from the PBA
2: Connect the VBATT and DCIO/SEPI
Yes
1.8 Volt at
MP 63 (V2474_Pin 2)
Yes
1.8 Volt at
MP 64 (V2474_Pin 1)
No
No
SL 5 Replace
R2470, R2481 or
N2010
SL 4 Escalate
SL 5 Replace
R2471, R2482 or
N2010
SL 4 Escalate
Navigation Keys Problems
START
Step 1:
Go to Service Tests Menu and perform Keyboard Test
If successful flash the Phone with the EMMA SUCR SW
if not go to Step 2.
Step 2:
Load ETS SW into the Phone
Use TRS Fixture
Use the TRS Fixture Display Holder and Connect:
Slider Flex Assy and PBA Navi Key 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 Navig at i on Key s
If successful Replace PBA Navi Key or Slider Flex Assy
If not then continue with the
Navigation Keys Problems TRS guide
TROUBLESHOOTING
SL 5 Replace
R2475, R2486 or
N2010
SL 4 Escalate
No
Yes
1.7V - 1.8 V
at MP 68
(V2478_Cathode)
Yes
1.7V - 1.8 V
at MP 70
(V2477_Cathode)
Yes
1.8 Volt at
MP 62 (V2476_Pin 1)
Disconnect:
VBATT and DCIO/SEPI
No
No
Yes
1.8 Volt
at MP 67
(V2478_Anode)
1.8 Volt
at MP 71
(V2477_Anode)
Are
MP 57 (V2471_Pin 1)
and MP 58 (V2471_Pin 2)
Short Circuit to the
GND
No
Are
MP 51 (V2472_Pin 1)
and MP 52 (V2472_Pin 2)
Short Circuit to the
GND
No
No
Yes
Yes
Yes
YesNo
SL 5 Replace
V2478
SL 4 Escalate
SL 5 Replace
R2473, R2484 or
N2010
SL 4 Escalate
SL 5 Replace
V2477
SL 4 Escalate
SL 5 Replace
R2474, R2485 or
N2010
SL 4 Escalate
SL 5 Replace
V2471 or N2010
SL 4 Escalate
SL 5 Replace
V2472 or N2010
SL 4 Escalate
SL 5 Replace
L2480
SL 4 Escalate
1: Disconnect the VBATT and DCIO/SEPI
2: Disconnect and Remove the
Display Holder from the TRS Fixture
Is the
Numeric Keyboard
No
Ok
Yes
Is
MP 73 (V2473_Pin 1)
Yes
Short circuit to
GND
No
No Yes
Is L2480
= Max 1 Ohm
Go to
Numeric Keyboard
Problems TRS guide
SL 5 Replace
V2473 or N2010
SL 4 Escalate
SL 4 Replace
X4300
SL 5 Replace
N2010
SL 5 Replace
Faulty Component
SL 4 Escalate
Are
L2476,L2477,L2478
and L2479
= Max 1 Ohm
SL 4 Replace
YesNo
X2410
SL 5 Replace
N2010
1230-1858 rev. 1
11 (125)
TROUBLESHOOTING
Ope ration Keys Problems - Volume Up and Down But to n Prob le m s
SEMC Troubleshooting Manual
W995
Operation Keys Problems
START
Load ETS SW into the Phone
Connect Key Flex Assy and Keyboard to the PBA
Perform Keypad Scan Test by pressing all Numeric Keys and all the
Operation Keys (Play/Pause, Rewind and Fast Forward ) on the Key Flex Assy
SL 4 Replace
X2410
SL 5 Replace
N2010
If successful Replace Key Flex Assy
Camera Button Problems TRS guide
Yes
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
If not then continue with the
Are all
Numeric Keys
Ok
No
Numeric Keyboard
Problems TRS guide
Go to
Volume Up and Down Button Problems
START
Load ETS SW into the Phone
Connect Key Flex Assy and Keyboard to the PBA
Perform Keypad Scan Test by pressing all Numeric Keys and Volume
SL 4 Replace
X2410
SL 5 Replace
N2010
Up and Down Buttons on the Key Flex Assy
If successful Replace Key Flex Assy
Volume Up and Down Button Problems TRS guide
Yes
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
If not then continue with the
Are all
Numeric Keys
Ok
No
TROUBLESHOOTING
Go to
Numeric Keyboard
Problems TRS guide
1230-1858 rev. 1
12 (125)
TROUBLESHOOTING Camera Butto n Prob lems
- Walkman Key Problems
SEMC Troubleshooting Manual
W995
Camera Button Problems
START
Flash the Phone with the ETS SW
Connect Key Flex Assy and Keyboard to the PBA
Perform Keypad Scan Test by pressing all Numeric Keys and the Camera Button
If successful Replace Key Flex Assy
Camera Button Problems TRS guide
SL 4 Replace
X2410
SL 5 Replace
N2010
Yes
Use the TRS Fixture
Connect: VBATT and DCIO/S EPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
on the Key Flex Assy
If not then continue with the
Are all
Numeric Keys
Ok
No
Numeric Keyboard
Problems TRS guide
Go to
Perform Keypad Scan Test by pressing all Numeric Keys and the
SL 4 Replace
X2410
SL 5 Replace
N2010
Walkman Key Problems
START
Load ETS SW into the Phone
Connect Key Flex Assy and Keyboard to the PBA
If successful Replace Key Flex Assy
Yes
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate
Keypad Scan Test
Walkman Key on the Key Flex Assy
If not then continue with the
Walkman Key Problems TRS guide
Are all
Numeric Keys
Ok
No
TROUBLESHOOTING
Go to
Numeric Keyboard
Problems TRS guide
1230-1858 rev. 1
13 (125)
TROUBLESHOOTING Numeri c Keyboard an d
Navigation Keys Illuminatio n Probl e m s
SEMC Troubleshooting Manual
W995
Numeric Keyboard illumination Problems
START
Load ETS SW into the Phone
Use the TRS Fixture and Connect:
Key Flex Assy 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 Keyboard
If Numeric Keyboard LED are working on the TRS Fixture then
Replace Key Flex Assy
If not then continue with the
Numeric Keyboard illumination Problems TRS guide
1: Disconnect: VBATT and DCIO/SEPI
2: Disconnect and Remove the Key Flex Assy from the PBA
3: Connect VBATT and DCIO/SEPI
Navigation Keys illumination Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Use the TRS Fixture Display Holder and Conn ect:
Slider Flex Assy and PBA Navi Key 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 Keys LED
If Navigation Keys LED are working on the TRS Fixture then
Replace
PBA Navi Key or Slider Flex Assy
If not then continue with the
Navigation Keys illumination Problems TRS guide
1: Disconnect: VBATT and DCIO/SEPI
2: Disconnect the Slider Flex Assy from the PBA
and Remove the TRS Fixture Display Holder
3: Connect VBATT and DCIO/SEPI
TROUBLESHOOTING
SL 5 Replace
V2470
SL 4 Escalate
Yes
3.8 Volt DC at
MP 61 (C4221)
No
Is
MP 59
(V2470_Pin C1)
or MP 60 (V2470_Pin C2)
Short Circuit
to the GND
Yes
No
Replace
X2410
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
N2000
SL 4 Escalate
No
3.8 Volt DC at
MP 14 (C4220)
Yes
Replace
X4300
1230-1858 rev. 1
14 (125)
TROUBLESHOOTING Operation LE D Prob le m s
- Camera Butto n LE D Prob le m s
SEMC Troubleshooting Manual
W995
Operation LED Problems
START
Load ETS SW into the Phone
Use the TRS Fixture and Connect:
Key Flex Assy to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Operation LED
If Operation LED is working on the TRS Fixture then Replace
Key Flex Assy
If not then continue with the
Operation LED Problems TRS guide
1: Disconnect: VBATT and DCIO/SEPI
Camera Button LED Problems
START
Load ETS SW into the Phone
Use the TRS Fixture and Connect:
Key Flex Assy to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Camera Button LED
If Camera Button LED is working on the TR S Fixture then Replace Key Flex Assy
If not then continue with the
Camera Button LED Problems TRS guid e
1: Disconnect: VBATT and DCIO/SEPI
TROUBLESHOOTING
SL 5 Replace
V2479
SL 4 Escalate
2: Disconnect and Remove the Key Flex Assy from
3: Connect VBATT and DCIO/SEPI
Yes
the PBA
3.8 Volt DC at
MP 54 (C4224)
No
Is the
MP 53 (V2479_Pin C1)
Short Circuit
to the GND
Yes
No
Replace
X2410
SL 5 Replace
N2000
SL 4 Escalate
SL 5 Replace
V2479
SL 4 Escalate
2: Disconnect and Remove the Key Flex Assy from
3: Connect VBATT and DCIO/SEPI
Yes
the PBA
3.8 Volt DC at
MP 56 (C4222)
No
Is MP 55
(V2479_Pin C2)
Short Circuit
to GND
Yes
No
Replace
X2410
SL 5 Replace
N2000
SL 4 Escalate
1230-1858 rev. 1
15 (125)
TROUBLESHOOTING Music LED Proble m s
- Trickle Cha rg e LED Problems
SEMC Troubleshooting Manual
W995
Music LED Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Use the TRS Fixture Display Holder and Conn ect:
Slider Flex Assy and PBA Navi Key to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Music LED
If Music LED is working on the TRS Fixture then Replace
PBA Navi Key or Slider Flex Assy
If not then continue with the
Music LED Problems TRS guide
1: Disconnect: VBATT and DCIO/SEPI
2: Disconnect the Slider Flex Assy from the PBA
and Remove the TRS Fixture Display Holder
Trickle Charge LED Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect: SIM Flex Assy to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Led and Backlight
Activate:
Trickle Charge LED
If the Trickle Charge LED is working on the TRS Fixture then Replace
SIM Flex Assy
If not then continue with the Trickle Charge LED Problems TRS guide
SL 4 Replace
X2401
SL 5 Replace
N2000
TROUBLESHOOTING
SL 5 Replace
N2000
SL 4 Escalate
3: Connect VBATT and DCIO/SEPI
No
3.8 Volt DC at
MP 13 (C4223)
Yes
Replace
X4300
1230-1858 rev. 1
16 (125)
TROUBLESHOOTING Flash LED Problems
SEMC Troubleshooting Manual
W995
Flash LED Problems in Camera Mode
START
Step 1:
Go to Service Test and perform the Main Camera Test
If successful go to Step 2, if not then go to:
Main Camera Problems TRS guide.
Step 2:
Replace Camera 8 MPixel CMOS
If successful claim Camera 8 MPixel CMOS
if not go to Step 3.
Step 3:
Replace SIM Flex Assy
If successful claim SIM Flex Assy
if not go to Step 4.
Step 4:
Load ETS SW into the Phone
Use the TRS Fixture
Connect the Camera 8 Mpixel CMOS and SIM Flex Assy 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
Flash LED Problems in Torch Mode
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect:
SIM Flex Assy to the PBA
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Display Pattern
Activate:
Flash LED
If the Flash LED is working on the TRS Fixture then
Replace SIM Flex Assy
If not then continue with the Flash LED Problems in Torch Mode TRS guide
1: Disconnect: VBATT and DCIO/SEPI
2: Disconnect and Remove the
SIM Flex Assy from the PBA
3: Connect VBATT and DCIO/SEPI
4: Use Fault Trace SW and Activate:
Flash LED
TROUBLESHOOTING
Replace
X4301 or N4401
Is the
Flash LED
Ok
Yes
1: Use Fault Tr ace SW and go to:
2: Use Fault Trace SW and go to Misc and
Yes
MMI
Misc
Init Screen Testing
Led and Backlight
Deactivate:
Flash LED
Activate:
Main Camera
1.8 Volt DC at
MP 85 (C2273)
No
No
Go to Flash LED
Problems in
Torch Mode
SL 5 Replace
N2215 or N2010
SL 4 Escalate
5 V – 5.5 V DC at
MP 89 (L4406)
No
3.8 Volt DC at
MP 82 (L4408)
Yes
1: Use Fault Trace SW and Deact iva te:
Flash LED
2: Disconnect: VBATT and DCIO/SEPI
Yes
No
Replace
X2401
SL 5 Replace
L4408
SL 4 Escalate
SL 4 Replace
N4401
SL 5 Replace
N2010
Is L4400 = Max 1 Ohm
NoYes
Replace
X2401
1230-1858 rev. 1
17 (125)
TROUBLESHOOTING Main Camera Problems
SEMC Troubleshooting Manual
W995
Main Camera Problems part 1
START
Load ETS SW into the Phone
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
Use Fault Trace SW and go to:
General
Selftest
Run:
N2500 Selftest
Is the
N2500 Selftest
Test Result
0x0
Yes
MMI
Misc
Init Screen Testing
Activate:
Main Camera Test
No
Go to Video
Companion Chip
Problems TRS guide
Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
Main Camera Test
NOTE !
Ignore these messages if they appear
in the Trace window
(In the right corner of the Fa ult Trace SW):
Error_CommandFailed, ERR:”
”
1.8 Volt DC
at MP 78 (R2222)
Shortly after the Main
Camera Test has been
activated
Yes
Use Fault Trace SW and
Repeat the Main Camera Test
Main Camera Problems part 2
Before following this guide the Main Camera Problems
Disconnect Slider Flex Assy from the PBA and
No
SL 5 Replace
N2500
SL 4 Replace
No
1.8 Volt DC
at MP 12 (R2212)
Shortly after the Main
Camera Test has been
activated
Yes
START
NOTE !
part 1 TRS guide must be finished
1: Disconnect: VBATT and DCIO/SEPI
Remove TRS Fixture Display Holder
2: Restart the Fault Trace SW
3: Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Use Fault Trace SW and
Repeat the Main Camera Test
TROUBLESHOOTING
Is the
Main Camera
Ok
No
1: Disconnect: VBATT and DCIO/SEPI from the Phone
2: Use the TRS Fixture
Connect: Camera 8 MPixel CMOS to the PBA
Use the TRS Fixture Display Holder and Connect :
Slider Flex Assy, PBA Navi Key and Display to the PBA
Connect: VBATT and DCIO/SEPI to the TRS Fixture
3: Use Fault Trace SW and go to:
MMI
Misc
Init Screen Testing
Activate:
Main Camera Test
Flash the Phone with
Yes
EMMA SUCR SW
Replace
N2206
Replace
N2213
Replace
N2205
1.8 DC
at MP 108 (TP2212) and
No
2.8V at MP 110 (TP2211)
Shortly after the Main
Camera Test has been
activated
Yes
Use Fault Trace SW and
Repeat the Main Camera Test
1.2 Volt DC
at MP 107 (TP2213)
No
Shortly after the Main
Camera Test has been
activated
2.8 Volt DC
at MP 112 (TP2210)
No
Shortly after the Main
Camera Test has been
activated
Yes
Use Fault Trace SW and
Repeat the Main Camera Test
Go to
Main Camera
Problems Part 2
No
Is the
Main Camera
Working Properly
Yes
Replace
8 Mpixel Camera
CMOS
SL 5 Replace
N2211
SL 4 Replace
No
Yes
1.8 Volt DC
at MP 106 (TP2214)
Shortly after the Main
Camera Test has been
activated
Yes
SL 4 Replace
X4301
SL 5 Replace
N2010
1230-1858 rev. 1
18 (125)
TROUBLESHOOTING VGA/VTF Cam e ra Probl e m s
- Data Communi cation Problems
SEMC Troubleshooting Manual
W995
VGA/VTF Camera Problems
START
Load ETS SW into the Phone
Connect: Camera 8 MPixel CMOS to the PBA
Use TRS Fixture Display Holder and Connect:
Slider Flex Assy, Camera Module QCIF, PBA Navi Key and Display to the PBA
Connect: VBATT and DCIO/SEPI
Continue with the VGA/VTF Camera Problems TRS guide
Step 1:
Step 2:
Use the TRS Fixture
Use Fault Trace SW
Fault Trace SW:
MMI
Misc
Init Screen Testing
Activate:
Main Camera Test
Is the
Main Camera
Ok
No
Go to
Main Camera
Problems part 1
TRS guide
Data Communication Problems
START
Use Phone with the Signalling SW (SSW)
Use USB Cable connected to the PC
Connect:
USB Cable from the PC to th e Phone
Does the
Phone Display
indicate Charging
Yes
Download ETS SW into the Phone
No
Charging Problems
TROUBLESHOOTING
Go to
USB/VBUS
SL 5 Replace
N2010
SL 4 Escalate
Yes
Fault Trace SW:
Deactivate:
Main Camera Test
Activate:
VGA Camera Test
Is the
VGA-VTF Camera
Ok
No
SL 4 Replace
X4300
N4300, N4301, N4302, N4303, N4304 or D4305
No
SL 5 Replace
Is the
VGA/VTF Camera
Problem Solved
Yes
Yes
Replace
Camera Module QCIF
or Slider Flex Assy
Claim Faulty
Component
Replace
V2415, V2416 or
N2420
Replace
X2405
Yes
Yes
Is MP 29
(V2415_Cathode) or
MP 30 (V2416_Cathode)
Short circuit to GND
No
Is X2405 Damaged
Is the
ETS SW Flash
Successful
No
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
USB Cable from the PC to the PBA
No
Connect:
0,6V – 1V DC at
MP 29 (V2415_Cathode)
and 1.8V DC at
MP 22 (C2435)
Yes
2.7V – 3.3V DC
at MP 30
(V2416_Cathode)
Yes
No
Yes
SL 5 Replace
N2020
SL 4 Escalate
Replace
N2420
Replace
Z2400 or X2405
No
Replace
N2420
1230-1858 rev. 1
19 (125)
TROUBLESHOOTING Charging Problems
- USB/VBUS Charging Problems
SEMC Troubleshooting Manual
W995
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
Is MP 103
(X2201_Pin 2)
connected to
MP 104 (TP2202)
Yes
No
Replace
X2201
USB/VBUS Charging Problems
START
Use Phone with the Signalling SW (SSW)
Use the TRS Fixture and connect: VBATT
Connect: USB Cable from the PC to the Phone
5V – 5.2V DC at
MP 32 (R2444)
Yes
TROUBLESHOOTING
SL 5 Replace
N2000
SL 4 Escalate
Is MP 104 (TP2202)
Short circuit to GND
No
5 Volt DC at
MP 102 (C2440)
No
Is MP 102 (C2440)
Short circuit to
GND
No
Yes
Yes
Yes
SL 4 Replace
V2200
SL 5 Replace
N2000
SL 4 Replace
V2202
SL 5 Replace
N2000
SL 4 Replace
C2440 or V2202
SL 5 Replace
C2441 or N2000
No
Is
MP 92 (X2405_Pin 1)
Short Circuit to GND
No
5V – 5.2V DC at
MP 92 (X2405_Pin 1)
Yes
Disconnect:
VBATT and USB Cable
Yes
No
Replace
C2439 or N2421
Replace
X2405
Replace
R2490 or R2449
Disconnect:
VBATT and DCIO/SEPI
Are
R2490 and R2449
= Max 1 Ohm
Replace
N2421
YesNo
Replace
X2405
Yes
Is R2451
= Max 1 Ohm
No
Replace
R2451
1230-1858 rev. 1
20 (125)
TROUBLESHOOTING SIM Problems
- Memory Stick Problem s
SEMC Troubleshooting Manual
W995
SL 4 Replace
X2401
SL 5 Replace
N2000 or N2010
SIM Problems
START
Flash the Phone with EMMA SUCR SW and retest the Phone
if successful claim SW Flash, if not go to Step 2.
Load ETS SW into the Phon e
Connect: SIM Flex Assy to the PBA and insert the Test SIM
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
No
Step 1:
Step 2:
Use the TRS Fixture
Logic
SIM Card Control
Activate:
SIM Com Test
Is the
SIM Com Test
Passed
Yes
Replace
SIM Flex Assy
SL 4 Replace
X2402
SL 5 Replace
N2000 or N2010
Memory Stick Problems
START
Load ETS SW into the Phone
Insert Memory Card into the X2402
Use TRS Fixture
Connect:
VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
Logic
SIM Card control
Activate:
Memory Stick Test
Is the
Memory Stick Test
Passed
TROUBLESHOOTING
SL 4 Replace
YesNo
X2402
SL 5 Replace
N2010
1230-1858 rev. 1
21 (125)
TROUBLESHOOTING Microphone Problems
- Earphone Problems
SEMC Troubleshooting Manual
W995
Microphone Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
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
2.2 Volt DC at
MP 69 (L3100)
No
SL 5 Replace
N2000
SL 4 Escalate
Earphone Problems
START
Step 1:
Replace Slider Flex Assy and retest the Phone
If successful claim Slider Flex Assy
If not go to Step 2.
Step 2:
Load ETS SW into the Phone
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Continue with the
Earphone Problems TRS guide
1: Use Fault Trace SW and go to:
Audio and FM Radio
Audio Tone
Activate:
INIT TONE TEST
Activate:
Earphone
TROUBLESHOOTING
Replace
B3100
Yes
Disconnect:
VBATT and DCIO/SEPI
Are
L3100, L3101, L3102
= Max 2.5 Ohm
SL 5 Replace
N2000 or N2010
SL 4 Escalate
SL 5 Replace
NoYes
L3100, L3101 or
L3102
SL 4 Escalate
No
More than
400mV AC Pk-Pk
1 kHz signal at MP 105
(TP3104) and MP 109
(TP3105)
Yes
Replace
X4300
1230-1858 rev. 1
22 (125)
Loudspeaker Left Problems
TROUBLESHOOTING Loudspeaker Problems
SEMC Troubleshooting Manual
W995
Loudspeaker Right Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Continue with the
Earphone Problems TRS guide
1: Use Fault Trace SW and go to:
Audio and FM Radio
Audio Tone
Activate:
INIT TONE TEST
Activate:
Loudspeaker Left
Can you
hear a 1 kHz tone
from the TRS Fixture
Left Loudspeaker
Yes
Replace
BT GPS Antenna
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Continue with the
Earphone Problems TRS guide
1: Use Fault Trace SW and go to:
Audio and FM Radio
Audio Tone
Activate:
INIT TONE TEST
Activate:
Loudspeaker Right
Can you
hear a 1 kHz tone
from the TRS Fixture
Right Loudspeaker
Yes
TROUBLESHOOTING
Replace
Main Antenna
No
Is any of
MP 91 (TP3110) and
MP 90 (TP3111) (Red
Probe) Short Circuit to
GND (Black
Probe)
No
2V AC Pk-Pk
1 kHz signal at
MP 36 (V3101_Pin C1)
and MP 37
(V3101_Pin C2)
No
1.8 Volt DC
at MP 3 (R3153)
Yes
Yes
No
SL 4 Replace
V3101 or N3100
SL 5 Replace
C3107 or C3108
SL 5 Replace
L3112 or L3113
SL 4 Escalate
Replace
N2410
No
Is
any of
MP 118 (TP3107) and
MP 119 (TP3108) (Red
Probe) Short Circuit to
GND (Black
Probe)
No
2V AC Pk-Pk
1 kHz signal at
MP 4 (V3102_Pin C1) and
MP 5 (V3102_Pin C2)
No
1.8 Volt DC
at MP 3 (R3153)
Yes
Yes
No
Replace
V3102 or N3102
Replace
L3116 or L3117
Replace
N2410
SL 5 Replace
N2000 or N2010
SL 4 Escalate
No
Yes
More than
400mV AC Pk-Pk
1 kHz signal at
MP 34 (C3137)
Yes
Replace
N3100
SL 5 Replace
N2000 or N2010
SL 4 Escalate
No
Yes
More than
400mV AC Pk-Pk
1 kHz signal at MP 7
(C3148)
Yes
Replace
N3102
1230-1858 rev. 1
23 (125)
TROUBLESHOOTING Handsfree (PHF) Prob le m s
SEMC Troubleshooting Manual
W995
Replace
V2417
Hands-Free (PHF) Connection Problems
Hands-Free (PHF) Connection Problem s TR S gu id e
Yes
Yes
Use TRS Fixture
Is MP 101
(V2417_Cathode)
Short Circuit to
GND
START
Power On the Phone
Use Hands-Free (PHF) Set
Continue with the
Can You
see the PHF icon
in the Phone Display
when the PHF set is
attached
NOT
No
Connect:
Hands-Free (PHF) Set
to the Phone
Hands-Free (PHF) Aux Microphone Problems
START
Note !
Before starting this guide check that
the Hands-Free (PHF) Connection is Ok.
Load ETS SW into the Phone
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Use Hands-Free (PHF) Set
Continue with the
Hands-Free (PHF) Aux Microphone 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: Loudspeaker
Apply Audio Loop
2: Disconnect: DCIO/SEPI from the PBA
3: Connect the PHF set to the PBA
TROUBLESHOOTING
Replace
N2422
No
Flash the Phone with
EMMA SUCR SW
SL 4 Replace
N2422
SL 5 Replace
R2439, R2434 or
N2010
Yes
Yes
Can You
see the PHF
icon in the Phone
Display
No
Use TRS Fixture
Is MP 100
(X2405_Pin 8)
connected to
MP 101
(V2417_Cathode)
No
SL 4 Replace
N3101
SL 5 Replace
C3158 or N2000
SL 5 Replace
R3156 or N2000
SL 4 Escalate
Yes
MP 28 (C3158)
Short Circuit
to GND
No
SL 4 Replace
N3101
SL 5 Replace
C2442 or C2443
Can you
hear any sound
from the TRS Fixture
Right Loudspeaker when
blowing into the
PHF Mic
No
Is
No
Disconnect VBATT and PHF Set and
Remove PBA from the TRS Fixture
Yes
2V - 2.2V DC
at MP 28 (C3158)
Yes
Is
MP 94 (X2405_Pin 3)
and MP 95 (X2405_Pin
4) Short Circuit
to GND
Yes
Go to
Hands-Free (PHF)
Aux Earphone
Problems TRS guide
Replace
R2448
Replace
X2405
No
Is R2448 = Max 1 Ohm
Yes
Replace
L2401 or L2402
No
No
Are
L2401 and L2402
= Max 2 Ohm
Yes
N3101 or X2405
1230-1858 rev. 1
Replace
24 (125)
TROUBLESHOOTING
Handsfree (PHF) Probl e m s - Au d io Jack Prob le m s
SEMC Troubleshooting Manual
W995
Hands-Free (PHF) Aux Earphone Problems
START
Note !
Before following this guide make sure that the
Hands-Free (PHF) Connection is working properly.
Load ETS SW into the Phone
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Use Hands-Free (PHF) Set
Continue with the
Hands-Free (PHF) Aux Earphone Problems TRS guide
1: Use Fault Trace SW and go to:
Audio and FM Radio
Audio Tone
Activate:
INIT TONE TEST
Activate:
PHF Earphone
2: Disconnect: DCIO/SEPI from the PBA
3: Connect the PHF set to the PBA
Audio Jack Detection Problems
START
Load ETS SW into the Phone
Use the TRS Fixture
Connect: VBATT and DCIO/SEPI
Insert the Hands-Free (PHF) Set with 3.5mm Stereo Plug
into the TRS Fixture 3.5mm Audio Jack
Use Fault Trace SW
Continue with the
Audio Jack Detection Problems TRS guide
1: Use Fault Trace SW and go to:
General
Selftest
Run:
Audio Jack Detection
TROUBLESHOOTING
SL 4 Replace
N3101
SL 5 Replace
C2447 or C2448
SL 5 Replace
N2000 or N2010
SL 4 Escalate
Yes
No Yes
MP 96 (X2405_Pin 5)
or MP 98 (X2405_Pin 6)
1 kHz signal at MP 31
Is
Short Circuit to
GND
No
More than
400mV AC Pk-Pk
(C3149) and
MP 33 (C3150)
Can you
hear the 1 kHz tone
In the PHF
Earphone
More than
300mV AC Pk-Pk
1 kHz signal at MP 97
(L2403) and
MP 99 (L2404)
No
Disconnect VBATT and PHF Set and
Remove PBA from the TRS Fixture
YesNo
Yes
Go to
Hands-Free (PHF)
Aux Microphone
Problems TRS guide
Replace
X2405
Audio Jack Detection
Is the
test result
0x1
No
Disconnect VBATT and DCIO/SEPI
Remove PBA from the TRS Fixture
Is MP 50
(V3103_Cathode)
Short Circuit
to GND
No
Yes
Yes
Replace
Audio Jack
SL 4 Replace
V3103
SL 5 Replace
N2010
SL 4 Replace
N3101
SL 5 Replace
N2000 or N2010
Replace
L2406
Yes
= Max 1 Ohm
No
Is L2406
Yes
Are
L2403, L2404,
L2440, L2443
= Max 2 Ohm
No
Replace
L2403, L2404,
L2440 or L2443
SL 5 Replace
R3115 or N2010
SL 4 Escalate
Yes
Is L3104
= Max 2 Ohm
No
Replace
L3104
1230-1858 rev. 1
25 (125)
TROUBLESHOOTING
Audio Jack Problems
SEMC Troubleshooting Manual
W995
Audio Jack Microphone Problems
START
Note !
Before starting this guide check that the Audio Jack Detection is Ok.
Step 1:
Replace Audio Jack and retest the Phone
If successful claim Audio Jack
If not go to step 2
Step 2:
Load ETS SW into the Phon e
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Use Hands-Free (PHF) Set
Continue with the
Audio Jack Microphone 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: Aux Earphone
Apply Audio Loop
2: Disconnect: DCIO /SEPI from the PBA
3: Connect the Hands-Free (PHF) Set into the X2405
and Blow into the
Hands-Free (PHF) Aux Microphone
Audio Jack Output Problems
START
Load ETS SW into the Phone
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Insert the Hands-Free (PHF) Set with 3.5mm Stereo Plug
into the TRS Fixture 3.5mm Audio Jack
Use Fault Trace SW
Continue with the
Audio Jack Output Problems TRS guid e
1: Use Fault Trace SW and go to:
Audio and FM Radio
Audio Tone
Activate:
INIT TONE TEST
Activate:
Audio Jack OUT
Note ! The Tone duration is only 2 sec, You should repeat this
test to ensure that the test result is correct.
Can you
hear a 1 kHz tone
from the 3.5mm
Stereo PHF Set
Output
Yes
TROUBLESHOOTING
Replace
Audio Jack
Replace
N3104
Can you
hear anything from
the PHF Earphone
when blowing into
the PHF Mic
Yes
Disconnect VBATT and the Hands-Free (PHF) Set
Remove PBA from the TRS Fixture
Yes
Is L3120
= Max 2 Ohm
No
No
Go to
Hands-Free (PHF)
Aux Microphone
Problems TRS guide
Replace
L3120
Replace
N2410
Replace
N3103
No
1.8 Volt DC
at MP 35 (R3123)
shortly after the test has
been activated
Yes
No
More than
400mV AC Pk-Pk
No
Disconnect VBATT and DCIO/SEPI
Remove PBA from the TRS Fixture
1 kHz signal at MP 39
(R3124) and MP 38 (R3127)
shortly after the test has
been activated
Yes
Are
L3134, L3135
L3121, L3122
= Max 2 Ohm
Yes
No
Replace
Faulty Component
Replace
N3104
1230-1858 rev. 1
26 (125)
TROUBLESHOOTING FM Radio Problems
- Bluetooth Probl e m s
SEMC Troubleshooting Manual
W995
FM Radio Problems
START
Is the
Hands-Free (PHF)
Connection
OK
Yes
Is the
Audio Jack
Detection
OK
Yes
No
No
Hands-Free (PHF)
Problems TRS guide
Detection Problems
Go to
Connection
Go to
Audio Jack
TRS guide
Bluetooth Problems
Flash the Phone with the EMMA SUCR SW and retest the Phone
Use a Spectrum Analyzer Instrument
Use RF Cable Flexible with SMK RF Probe connected
to the Spectrum Analyzer Instrument
Connect SMK RF Probe to the X1500 RF Connector on PBA
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
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)
TROUBLESHOOTING
SL 5 Replace
N1300
SL 4 Escalate
Is R2438
= Max 1 Ohm
Yes
Is MP 93
(X2405_Pin 2)
Connected to GND
No
NoYes
Replace
R2438
Replace
X2405
Replace
X1500
SL 5 Replace
N1300
SL 4 Escalate
No
Disconnect:
VBATT and DCIO/SEPI
Disconnect:
RF Cable Flexible
Max
0.5 Ohm between
MP 86 (X1500_Pin 1) and
MP 87
(X1500_Pin 2)
Yes
Fault trace SW Settings:
Set MaxPwr MOD 0
Use Peak Search (MKR)
No
Blt MaxPwr MOD 0
Fault trace SW Settings:
Set MaxPwr MOD 1
Use Peak Search (MKR)
TX and RX
Bluetooth
Channel 0
Is the
1 dBm
(±5 dBm)
Yes
TX and RX
Bluetooth
Channel 0
Turn Off
Replace
BT GPS Antenna
SL 5 Replace
N1300
SL 4 Escalate
Yes
Is the
Blt MaxPwr MOD 1
1 dBm
(±5 dBm)
No
1230-1858 rev. 1
27 (125)
TROUBLESHOOTING WLA N Prob le m s
- GSM Networ k Prob l e m s
SEMC Troubleshooting Manual
W995
WLAN 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 Spectrum Analyzer Instrument
Use RF Cable Flexible with SMK RF Probe connected
to the Spectrum Analyzer Ins trument
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW
Continue with the
WLAN Problems TRS guide
Spectrum Analyzer
Instrument Settings:
Frequency: 2442 MHz
Span: 10 MHz
Amplitude: 20 dBm
Use Peak Search (MKR)
Connect SMK RF Probe to the X1500 RF Connector on PBA
Fault trace SW Settings:
TX and RX
WLAN
Wlan Settings
WLAN Turn On
Use Peak Search (MKR)
START
Replace Main Antenna and retest the Phone
If successful claim Main Antenna
Load ETS SW into the Phone
Perform SERP Calibration and retest the Phone
If successful claim SERP Calibration
Disassemble the Phone and continue with the
GSM Network Problems TRS guide
Replace
Faulty Component
SL 5 Replace
L1203, L1205 or
R1206
SL 4 Escalate
Step 1:
If not go to Step 2.
Step 2:
If not go to Step 3.
Step 3:
No
No
GSM Network Problems
Are
X1000, X1004
X1005,or X1006
connected to
GND
Yes
Max 1 Ohm
between
MP 116 (X1200_Pin 2)
and MP 114
(TP1210)
Yes
Yes
Max 1
Ohm between
MP X1200_Pin 1 and
MP X1200_Pin 2
Max 1 Ohm
between
MP 116 (X1200_Pin 2)
and MP 115
(TP1211)
Yes
Replace
N1200
No
No
TROUBLESHOOTING
Replace
X1200
SL 5 Replace
R1207
SL 4 Escalate
Replace
N2410
Replace
X1500
SL 5 Replace
N1500
SL 4 Escalate
No
No
1.8 Volt DC
At MP 75 (R2313)
Yes
Disconnect:
VBATT and DCIO/SEPI
Disconnect:
RF Cable Flexible
Max
0.5 Ohm between
MP 86 (X1500_Pin 1) and
MP 87 (X1500_Pin 2)
Yes
No
Is the
WLAN
TX Output Power
11 dBm
(±5 dBm)
Yes
Replace
BT GPS Antenna
SL 5 Replace
N2010 or N2000
SL 4 Escalate
No
Is the
GSM Network
Problem
solved
Yes
Claim Component
1230-1858 rev. 1
N1200
28 (125)
TROUBLESHOOTING WCDMA Networ k Prob le m s
SEMC Troubleshooting Manual
W995
Can only be used for W995 phones with WCDMA BAND I, II or V
Go to
GSM Network
Problems TRS guide
Replace
N1200
WCDMA BAND I,II,V Network Problems
START
Note!
Perform SERP Calibration and retest the Phone
Load ETS SW into the Phone
If successful claim SERP Calibration
Connect: VBATT and DCIO/SEPI
No
No
Step 1:
If not go to Step 2.
Step 2:
Use the TRS Fixture
Use Fault Trace SW
Is the
GSM Network
Ok
Yes
Is the
Problem with
WCDMA TX
Yes
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
Can only be used for W995 phones with WCDMA BAND VIII support
Go to
GSM Network
Problems TRS guide
Replace
N1200
WCDMA BAND VIII Network Problems
START
Note!
Perform SERP Calibration and retest the Phone
Load ETS SW into the Phone
If successful claim SERP Calibration
Connect: VBATT and DCIO/SEPI
No
No
Step 1:
If not go to Step 2.
Step 2:
Use the TRS Fixture
Use Fault Trace SW
Is the
GSM Network
Ok
Yes
Is the
Problem with
WCDMA TX
Yes
TROUBLESHOOTING
Fault Trace SW
TX and RX WCDMA
Radio Settings:
Select Band: BAND VIII
Fast select channels:
Set Low Channel:
Ch LOW
Modes: Max Pwr 23dBm
Replace
N1200
Replace
N1210
SL 5 Replace
L1200
SL 4 Escalate
Replace
N1210
Is the
WCDMA TX
Problem solved
Yes
No
2.5V – 3V DC at
No
VBATT and DCIO/SEPI
Is L1200 = Max 1 Ohm
Yes
No
N2000 or N2010
MP 18 (C1215
WPA_A_EN)
Disconnect:
SL 5 Replace
SL 4 Escalate
Yes
Yes
3V – 3.8V DC at
MP 15 (C1206
VCC_WPA)
No
1.8 Volt DC at
MP 19 (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
2.5V – 3V DC at
No
VBATT and DCIO/SEPI
Is L1200 = Max 1 Ohm
Yes
No
N2000 or N2010
MP 16 (C1214
WPA_C_EN)
Disconnect:
SL 5 Replace
SL 4 Escalate
Yes
Yes
3V – 3.8V DC at
MP 15 (C1206
VCC_WPA)
No
1.8 Volt DC at
MP 17 (R1209
WPA2_EN)
No
SL 5 Replace
N2010
SL 4 Escalate
Yes
Claim Component
N1210
Yes
Claim Component
N1210
1230-1858 rev. 1
29 (125)
TROUBLESHOOTING A-GPS Problems
SEMC Troubleshooting Manual
W995
A-GPS Problems part 1
START
Step 1:
Replace BT GPS Antenna and retest the Phone
If successful claim BT GPS Antenna
if not go to Step 2.
Step 2:
Load ETS SW into the Phone
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
General
Asic Revisions
Read All
Is the
A-GPS (N1400)
Asic Revision Test
Ok
No
1.8 Volt DC at
MP 74 (R1417)
and MP 72
(N2410_Pin 2)
Yes
2 Volt DC at
MP 47 (C1431
VAGPS20)
Yes
No
No
Go to
A-GPS Problems
part 2
Replace
N2410
Replace
N1411
START
Note!
Before starting this guide the A-GPS Problems part 1
TRS guide must be finished
Use Fault Trace SW and go to:
Tx and Rx
GPS
GPS Settings
Turn On GPS
1: Use Signal Generator Instrument
2: Connect RF Cable Flexible from the Signal Generator
Instrument to the
GPS Antenna RF Connector on the TRS Fixture
Signal Generator
Instrument Settings:
Frequency: 1575.42 MHz
Amplitude/Level: -50 dBm
RF: On
Mod Gen: Off
Modulation: Off
A-GPS Problems part 2
Use Spectrum Analyzer Instrument
Spectrum Analyzer Instrument Settings:
Frequency: 1575.42 MHz
Amplitude: -20 dBm
Use Peak Search (MKR)
Do not use 10:1 Divider
Yes
(±0.5 MHz), (±10 dBm)
Span: 10 MHz
NOTE !
1577.39 MHz
-68 dBm signal at
MP 45 (L1403)
(See MP picture
MP L1403:a)
No
TROUBLESHOOTING
Replace
N1400
Yes
2.8 Volt DC at
MP 46 (C1433
VAGPS28)
Yes
26 MHz at
MP 49 (R1408
AGPS_CLK)
Yes
27 MHz at
MP 48 (R1404)
No
No
No
Replace
N1412
SL 4 Replace
N2410
SL 5 Replace
N2101 or N2010
Replace
B1400
Use Spectrum Analyzer Instrument
Spectrum Analyzer Instrument Settings:
Frequency: 1575.42 MHz
Span: 10 MHz
Amplitude: -20 dBm
Use Peak Search (MKR)
NOTE !
Do not use 10:1 Divider
1575.44 MHz
-55 dBm signal at
MP 45 (L1403)
(±0.5 MHz), (±10 dBm)
(See MP picture
MP L1403:b)
No
1.6V – 1.8V DC
at MP 42 (C1407)
Yes
1575.42 MHz
-55 dBm signal at
MP 40 (C1402)
(±0.5 MHz),
(±10 dBm)
Yes
No
Yes
SL 4 Replace
N1400
SL 5 Replace
N2010
Replace
N1400
SL 4 Replace
N1410
SL 5 Replace
Z1401
Yes
SL 4 Replace
N1400
SL 5 Replace
N2010
No
Replace
Z1400
1230-1858 rev. 1
30 (125)
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