Sony Ericsson U10 Programmierhandbuch

Aino - U10

1235-5821 rev. 1

Troubleshooting Manual

APPENDIX

ABOUT

ABOUT TROUBLESHOOTING MEASUREMENT POINTS

Aino - U10

SEMC Troubleshooting Manual

1(57)

Aino - U10

1235-5821 rev. 1

ABOUT Contents

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 notiﬁed 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 conﬁdential and should be treated as conﬁdential 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.

Rev. Date Changes / Comments

111/20/2009Inititalrevision.

Revision History

Table of Contents

ABOUT

Contents 2

Equipment List 3

TROUBLESHOOTING

Dead Phone Problems 7

Display Problems 8

Display Illumination Problems 8

Touch Display Problems 9

Opto Sensor Problems 9

Proximity Sensor Problems 10

On/Off Key Problems 10

Keylock Switch Problems 11

Volume Up and Down Problems 11

Numeric Keyboard Problems 12

Keyboard Illumniation Problems 12

Navigation Keys Problems 13

Navigation Keys Illumniation Problems 13

Flash LED Problems 14

Vibrator Problems 14

Camera Problems 15

Camera Auto Focus and Shutter

Problems 15

Charging Problems 16

USB Charging Problems 16

Hands-Free (PHF) Detection Problems 17

Hands-Free (PHF) Aux Microphone

Problems 17

Hands-Free (PHF) Aux Earphone

Problems 18

Microphone Problems 18

Earphone Problems 19

Loudspeaker Problems 19

Data Communication Problems 20

FM Radio Problems 20

Bluetooth Problems 21

GSM Network Problems 22

WCDMA Network Problems 22

A-GPS Problems 23

WLAN Problems 24

Alert and Real Time Clock Problems 24

Accelerometer Problems 25

Slide Sensor Problems 25

SIM Problems 26

Memory Stick Problems 26

System Connector Protection Test 27

Backup Capacitor Test 27

ASIC Revision Test 28

Measurement Points Pictures 29

MEASUREMENT POINTS

Primary Side 36

Secondary Side 37

Keyboard FPC Assembly 38

TOP PBA 39

Mainboard Schematic Top 40

Core Power Management 41

Core Memories 42

Core General 43

Core GSM & UMTS 44

Peripheral Audio 45

Peripheral Cards 46

Peripheral Optics 47

Peripheral Camera 48

Peripheral BT / WLAN 49

Peripheral AGPS 50

Keyboard FPC Assembly 51

Top PBA 52

APPENDIX

Troubleshooting Fixture Setup

Instructions 53

SEMC Troubleshooting Manual

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Aino - U10

1235-5821 rev. 1

ABOUT Equipment List

ABOUT

Aino, U10a, U10i Equipment List

Info: More 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

– U Model Tab.

Troubleshooting Fixture

Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf

Part number: 1230-5666

Note! More information about the TRS Fixture Kit can be found in the Trouble Shooting Fixtures

Setup Instructions document which is included at the end of this TRS 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! 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.

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 used.

See Picture 1.

Picture 1

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

RF Probe Snap-in

Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf

Part number: 1230-5894

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 – Aino, U10a, U10i – Trouble Shooting Application

– Project File: Aino_U10a_U10i_Project_R1A

Drivers

SEPI BOX Drivers

Location: http://emma.extranet.sonyericsson.com /– Drivers – DSS / SEPI / SEMUTS

SEMC Troubleshooting Manual

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Aino - U10

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ABOUT

Equipment List

SE Communication Interface SEPI BOX

Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf

Part number: LTN 214 1484

See Picture 2.

Picture 2

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

See Picture 4.

See Picture 4

RF Test Cable Flexible

Location: CSPN – Repair Instructions – Mechanical – Tool Catalogue – RepairToolsCatalogue.pdf

Part number: RPM 119 885

See Picture 5.

Picture 5

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

SEMC Troubleshooting Manual

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Aino - U10

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ABOUT

Customized Power Supply Channel 2 Cable (DCIO/SEPI)

Customize the cable according to the 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 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

Step 4:

Connect DCIO Cable and SEPI Interface Cable – A1 according to Picture 10.

Picture 10

Picture 11

Note! This setup is wrong.

Equipment List SEMC Troubleshooting Manual

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Aino - U10

1235-5821 rev. 1

ABOUT

Connection Instructions for the Dummy Battery

This is the correct setup when the Dummy Battery is used.

See Pictures 12 and 13.

Picture 12

Picture 13

Test Cards

Local SIM

Any functional Local SIM Card

Memory Card

SanDisk microSD™

See picture 14.

Picture 14

Equipment List SEMC Troubleshooting Manual

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Aino - U10

1235-5821 rev. 1

TROUBLESHOOTING Dead Phone Problems

TROUBLESHOOTING

START

NOTE !

Before following this guide the Dead Phone Problems part 1 TRS guide

must be finished.

Use TRS Fixture

Connect VBATT and DCIO/SEPI 32 kHz

RTCCLK at

MP 37 (ST2103)

SL 4 Replace

B2100

SL 5 Replace

N2000

26 MHz

at MP 4 (R2123

MCLK)

Yes

1.8 Volt DC at

MP 36 (ST2218

VDDE18)

SL 5 Replace

N2000

SL 4 Escalate

Yes

2.8 Volt DC at

MP 13 (C1218

LDOA_OUT)

No 2.8 Volt DC at

MP 33 (C1207

VRAD28)

Yes Replace

N1211

1.2 Volt DC at

MP 3 (C2316

VCORE12)

Yes

SL 4 Replace

L2200

SL 5 Replace

N2000

2.6 Volt DC at

MP 14 (ST2216

VAUDIO26) Yes

SL 5 Replace

N2000

SL 4 Escalate

2.5 Volt DC at

MP 2 (ST2300

VANA25)

Yes

No 1.8 Volt DC at

MP 39 (ST2232

VMEM)

Yes

SL 4 Replace

N1200

SL 5 Replace

N2010 or N2000

Yes

Disconnect:

VBATT and DCIO/SEPI

Remove the PBA from TRS Fixture

Is L2202

= Max 1 Ohm Replace

L2202

Replace

N2207

Yes

Yes SL 5 Replace

N2010 or N2000

SL 4 Escalate

Dead Phone Problems part 2

START

Step 1:

Try to Recover the Phone by using EMMA SW:

Update SEMCBOOT after this Run EMMA SUCR SW

If successful claim SW Flash

If not go to step 2.

Step 2:

Use TRS Fixture

Perform a visual inspection of

the X2201 Battery Connector

Is the X2201

Battery Connector

Ok and L2203

= Max 1 Ohm

Replace

X2201 or L2203

Yes

Connect VBATT to TRS Fixture

Is the

Current Consumption

more than

1mA

Is the

RF Module

N1200 (Tiger)

getting hot

Replace

N1200 Yes

Try to trace the Faulty Component

by using Freezing Spray

Yes

Is the

Current Consumption

still more than

1mA

Go to

Dead Phone

Problems part 2

SL 5 Remove

N2000

SL 4 Escalate

SL 5 Replace

N2000

SL 4 Escalate No

Try to trace the

Faulty Component

by using Freezing

Spray

Yes

Dead Phone Problems part 1

SEMC Troubleshooting Manual

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Aino - U10

1235-5821 rev. 1

TROUBLESHOOTING Display Problems

TROUBLESHOOTING

- Display Illumination Problems

START

Step 1:

Load ETS SW into the Phone

Use TRS Fixture

Connect: Slider FPC Assy and Display 3" TFT to the PBA

Connect: VBATT and DCIO/SEPI

Step 2:

Use Fault Trace SW and go to:

MMI

Init Screen Testing

Display Pattern

Activate:

RGB Color Pattern

Is the

Display

Replace

Display 3" TFT or

Slider FPC Assy

Yes

2.7 Volt DC at

MP 12 (ST2220

VDIG) No SL 5 Replace

N2000

SL 4 Escalate

Yes

1: Disconnect: VBATT and DCIO/SEPI

Disconnect: Slider FPC Assy and Display 3" TFT from the PBA

2: Connect: VBATT and DCIO/SEPI

SL 4 Replace

X4200

SL 5 Replace

N2010

Display Problems

START

Step 1:

Load ETS SW into the Phone

Use TRS Fixture

Connect: Slider FPC Assy and Display 3" TFT to the PBA

Connect: VBATT and DCIO/SEPI

Step 2:

Use Fault Trace SW and go to:

MMI

Init Screen Testing

Led and Backlight

Activate:

Display Backlight

Is the

Display Backlight

Replace

Display 3.47 TFT or

Slider FPC Assy

Yes

Replace

V4402 or N4400

Yes

1: Disconnect: VBATT and DCIO/SEPI

Disconnect: Slider FPC Assy and Display 3" TFT from the PBA

2: Perform visual inspection of the

X4200 Board to Board Connector

Is the

X4200

BtB connector

Replace

X4200

Is L4401

= Max 1 Ohm Replace

L4401

NoYes

Display illumination Problems

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Aino - U10

1235-5821 rev. 1

TROUBLESHOOTING Touch Display Problems

TROUBLESHOOTING

- Opto Sensor Problems

Is the

X4200

BtB Connector

SL 5 Replace

N2010

SL 4 Escalate

START

Step 1:

Replace Display 3" TFT and retest the Phone

If successful claim Display 3" TFT if not go to step 2.

Step 2:

Replace the Slider FPC Assy and retest the Phone

if successful claim Slider FPC Assy if not go to step 3.

Step 3:

Perform a visual inspection of the

X4200 Board to Board Connector

Replace

X4200

Yes

Touch Display Problems

2.8 Volt DC at

MP 1 (C4401)

Yes

START

Step 1:

Replace PBA Top and retest the Phone

If successful claim PBA Top if not go to step 2.

Step 2:

Replace Display 3" TFT and retest the Phone

If successful claim Display 3" TFT if not go to step 3.

Step 3:

Replace the Slider FPC Assy and retest the Phone

if successful claim Slider FPC Assy if not go to step 4.

Step 4:

Load ETS SW into the Phone

Use TRS Fixture

Connect: VBATT and DCIO/SEPI

Step 2:

Use Fault Trace SW and go to:

MMI

Init Screen Testing

Misc

Activate:

Opto Sensor

Replace

N4400

Replace

X4200

1: Close the TRS SW

Disconnect: VBATT and DCIO/SEPI

Remove PBA from the TRS Fixture

2: Perform a visual inspection of the

X4200 Board to Board Connector

Is the

X4200

BtB connector

SL 4 Replace

N4400

SL 5 Replace

N2000 or N2010

Yes

Opto Sensor Problems

SEMC Troubleshooting Manual

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Aino - U10

1235-5821 rev. 1

TROUBLESHOOTING Proximity Sensor Problems

TROUBLESHOOTING

- On/Off Key Problems

Is the

X4200

BtB Connector

SL 5 Replace

V4201, V4202 or

N2000

SL 4 Escalate

START

Step 1:

Replace PBA Top and retest the Phone

If successful claim PBA Top if not go to step 2.

Step 2:

Replace Display 3" TFT and retest the Phone

If successful claim Display 3" TFT if not go to step 3.

Step 3:

Replace the Slider FPC Assy and retest the Phone

if successful claim Slider FPC Assy if not go to step 4.

Step 4:

Perform a visual inspection of the

X4200 Board to Board Connector

Replace

X4200

Yes

Proximity Sensor Problems

START

Step 1:

Load ETS SW into the Phone

Use TRS Fixture

Connect: Keyboard FPC Assembly to the PBA

Connect: VBATT and DCIO/SEPI

Step 2:

Use Fault Trace SW and go to:

MMI

Misc

Init Screen Testing

Activate:

Key Test

Press the On/Off Key on the Keyboard

Is the

On/Off Key

Replace

X2500

Replace

Keyboard FPC

Assembly

Yes

Is the

Problem with

Power Off

1.8 Volt DC at

MP 6

(V2475_Anode) Yes

Replace

V2475 Yes

SL 5 Replace

N2010

SL 4 Escalate No

Yes

3.7 Volt DC at

MP 8

(V2475_Cathode)

SL 5 Replace

N2000

SL 4 Escalate

On/Off Key Problems

SEMC Troubleshooting Manual

10 (57)

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