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ABOUT TROUBLESHOOTING MEASUREMENT POINTS COMPONENT OVERVIEW FUNCTIONAL OVERVIEW APPENDIX
SEMC Troubleshooting Manual
W890
1 (119)
Troubleshooting Manual
1217-3942 rev. 1
W890
ABOUT Contents SEMC Troubleshooting Manual
W890
ABOUT
ABOUT
About 2 Connectivity - Cards 59
General information Contents 2 Connectivity - USB, SYScon 60
ABOUT
Connectivity - Keypad 61
TROUBLESHOOTING Imaging Top 62
The purpose of this document is to provide enhanced technical information for Sony Ericsson Equipment List 3 Imaging - Display 63
repair technicians in order to assist during service, repair and troubleshooting operations on Sony On/Off Problems 8 Imaging - Camera 64
Ericsson mobile phones. It should be used as a complement to other repair instructions and tools Flash Problems 8 Access Top 65
as notified by the local Sony Ericsson representative. Dead Phone Problems 9 Access - GSM & UMTS 66
Display Problems 10 Access - GSM Top 67
To search for components throughout the entire document use the "search" function in Adobe Display Illumination Problems 11 Access - GSM PA 68
Acrobat Reader 7.0 (or later version) and enter the component name or other word. Use zoom to Key Problems part 1 11 Access -GSM Edge RX 69
enlarge. Key Problems part 2 12 Access - UMTS Top 70
LED Problems 12 Access - UMTS Control 71
For easier navigation of the document you can use the bookmarks that appear in the Bookmarks Main and VGA Camera Problems 13 Access - UMTS Duplex 72
tab on the left side of the Adobe Acrobat Reader window. Each bookmark jumps to a page in the Vibrator Problems 13 Access - UMTS RX 73
Charging Problems 14 Access - UMTS Synthesizer 74
document.
USB/VBUS Charging Problems 14 Access - UMTS PA 75
SIM Problems 15 Access - Bluetooth 76
Memory Stick Problems 15 Test 77
Audio Internal Problems 16
Disclaimer Audio External Problems 16 COMPONENT OVERVIEW
This document is Sony Ericsson confidential and should be treated as confidential in accordance FM Radio Problems 17 Front Side 78
with the agreement with Sony Ericsson. This document is intended for use by authorized service Bluetooth Problems 17 Back Side 79
technicians only. Sony Ericsson is not to be held responsible for any damages or losses caused GSM Network Problems 18
intentionally or unintentionally due to unauthorised use of the information in this document. WCDMA Network Problems 19 FUNCTIONAL OVERVIEW
System Connector Protection Test 20 Technical Description 80
Current Consumption Test 20 Block Diagrams 89
Battery and Current Calibration Test 22
Backup Capacitor Test 22
APPENDIX
Charging Test 23
Replaceable Parts 91
ASIC Revision Test 23
Components - B1260, B2100, B3100 92
Antenna Switch Test 24
Components - D2105, D2400, L2200 93
Reference Measurement Points 25
Components - L2401-02 93
Measurement Points Pictures 26
Components - L2403-04, L2407-08 93
Components - L2405-06, N1200, N1230 94
MEASUREMENT POINTS Components - N1300, N1380 95
Front Side 39 Components - N1400, N2201, N2202 96
Back Side 40 Components - N2203, N2204 97
SIM FPC 41 Components - N2205, N2402 97
Top Schematic 42 Components - N2424, N3100 98
Audio Top 43 Components - N3101, N4201 98
Audio Analog 44 Components - V2202, V2402 98
Audio Digital 45 Components - V2405, V2420 98
Audio FM Radio 46 Components - X1100, X1203, X1400 99
Performance & Applications Top 47 Components - X2200, X2400 99
System Top 48 Components - Z1230 100
System Control - Clocks & Resets 49 Components - Z4200, Z4201, Z4202 100
System - Memories 50 Components - Display 100
Revision History System - PoP Interface 51 Components - Camera Flex Module 101
Power Top 52 Components - SIM M2 Flex Module 102
Power - Regulators & Charging 53 Components - Key FPC 103
Rev. Date Changes / Comments Power - Camera 54 Troubleshooting Software Documentation 104
1 09/01/2008 Initital revision. Power - ASICs 55 Troubleshooting Fixture Setup Instructions 111
Power - Memories 56 Setup & Maintenance Instruction 113
Connectivity Top 57 for W890 TRS Fixture
Connectivity - ADC & I2C 58
1217-3942 rev. 1 2 (119)
TROUBLESHOOTING Equipment List SEMC Troubleshooting Manual
W890
W890 Equipment List Power Supply Channel 2 DCIO/SEPI
Agilent 6632B or similar
Location: CSPN-Repair Instructions-Level: Mechanical-Tool Catalogue
Instrument Settings:
Voltage: 5.0 Volt
Limiter: 2A
Note: It is very important to follow instrument setting instructions when performing the
TROUBLESHOOTING
Current Calibration Test.
Oscilloscope
Tektronix TDS 2012 or similar
Location: CSPN-Repair Instructions-Level: Mechanical-Tool Catalogue
Digital Multimeter (DMM)
Fluke 83 or similar
Location: CSPN-Repair Instructions-Level: Mechanical-Tool Catalogue
The 0, 64 mm Test Probes is recommended by Sony Ericsson when DMM is in use see picture 1.
Note: More additional information about the equipment used for TRS can be found in Repair Picture 1
Tools Catalogue on CSPN or on the following location: CSPN