Service Manuals, User Guides, Schematic Diagrams or docs for : Sony Ericsson Mobile Phones Сотовый телефон Sony Ericsson C903 SONY ERICSSON C903
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ABOUT TROUBLESHOOTING MEASUREMENT POINTS COMPONENT OVERVIEW FUNCTIONAL OVERVIEW APPENDIX
SEMC Troubleshooting Manual
C903
1 (129)
Troubleshooting Manual
1228-1147 rev. 1
C903
ABOUT Contents SEMC Troubleshooting Manual
C903
ABOUT 2
Contents 2 Application & System Performance Top 61
ABOUT Equipment List 3 System Top 62
System Control - Clocks & Resets 63
System Memories 64
TROUBLESHOOTING 8
General information System PoP IF 65
ABOUT
Power On/Off Problems 8
Power Top 66
USB and Software Flash Problems 8
Power Regulators & Charging 67
The purpose of this document is to provide enhanced technical information for Sony Ericsson Dead Phone Problems 9
Power Imaging 68
repair technicians in order to assist during service, repair and troubleshooting operations on Sony Display Problems 10
Power ASICs 69
Display Illumination Problems 11
Ericsson mobile phones. It should be used as a complement to other repair instructions and tools Connectivity Top 70
Opto Sensor Problems 11
as notified by the local Sony Ericsson representative. Connectivity Top 71
On-Off Key Problems 12
Connectivity I2C & ADC 72
To search for components throughout the entire document use the "search" function in Adobe Numeric Keypad Problems 12
Connectivity Cards 73
Acrobat Reader 7.0 (or later version) and enter the component name or other word. Use zoom to Navigation Keypad Problems 13
Connectivity 74
enlarge. Volume Up and Down Button Problems 13
Imaging Top 75
Camera Button Problems 14
Imaging Display 76
For easier navigation of the document you can use the bookmarks that appear in the Bookmarks Play & Camera Mode Button Problems 14
Imaging Camera 77
tab on the left side of the Adobe Acrobat Reader window. Each bookmark jumps to a page in the Navigation Keypad LED Problems 15
Imaging Camera 78
Numeric Keypad LED Problems 16
document. Imaging LMU 79
Camera Button LED Problems 16
Imaging Flash LED 80
Tally LED Problems 17
Access Top 81
Trickle Charge LED Problems 17
Access GSM & UMTS 82
Flash LED Problems 18
Access Bluetooth 83
Disclaimer Camera Lens LED Problems 19
Access AGPS 84
Camera Cover Detect Problems 19
This document is Sony Ericsson confidential and should be treated as confidential in accordance Camera SIM FPC 85
Main Camera Problems 20
with the agreement with Sony Ericsson. This document is intended for use by authorized service Main Flex Assy FPC 86
VGA/VTF Camera Problems 21
technicians only. Sony Ericsson is not to be held responsible for any damages or losses caused Navigation Keypad FPC 87
Data Communication Problems 21
intentionally or unintentionally due to unauthorised use of the information in this document. Keypad FPC 88
Charging Problems 22
USB/VBUS Charging Problems 22
SIM Problems 23 COMPONENT OVERVIEW 89
Memory Stick Problems 23 Primary Side 89
Note Microphone Problems 24 Secondary Side B - C 90
Earphone Problems 24 Secondary Side L - Z 91
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 Loudspeaker Problems 25
Handsfree Aux Earphone Problems 25 FUNCTIONAL OVERVIEW
must be followed.
Handsfree Aux Microphone Problems 25 Technical Description 92
Handsfree Connection Problems 26 Platform Block Diagram 103
FM Radio Problems 27 Block Diagram Power Distribution 104
FM Radio Antenna Problems 27 Block Diagram Clocking Concept 105
Bluetooth Problems 28
GSM Network Problems 28 APPENDIX
WCDMA Problems 29 Replaceable Components 106
A-GPS Problems 30 Components - B3100, B4200, B4410 107
Accelerometer Problems 30 Components - L1200, L2200, L2261 108
Vibrator Problems 31 Components - L2401-04 108
Real Time Clock Problems 31 Components - L2406, L2408, L4102 108
Slide Sensor Problems 32 Components - L4200, N1210 109
TV Out Problems 32 Components - N1211, N2206 109
System Connector Protection Test 33 Components - N1300, N2200, N2203 110
Current Consumption Test 33 Components - N2210, N2288 111
Backup Capacitor Test 35 Components - N2271, N2290 111
Revision History Charging Test 35 Components - N2410, N2411, N2420 112
ASIC Revision Test 36 Components - N2421, N2422, N3100 113
Measurement Points Pictures 37 Components - N3101, N4201, N4240 114
Rev. Date Changes / Comments
Components - N4401, R2449 114
1 06/19/2009 Initital revision. MEASUREMENT POINTS Components - S2403, V2202, V2412 115
Primary Side 50 Components - V2417, V2413, V2420-21 115
Secondary Side 51 Components - 0V2430, V2470 115
Camera SIM FPC 52 Components - V4110, V4111, V4200 116
Main Flex Assy FPC 53 Components - V4310, V4350, V4360 116
Navigation Keypad FPC 54 Components - W1300, X1000, X1002-03 117
Keypad FPC 55 Components - X1010-11, X1030 117
Top Schematic 56 Components - X1200, X1210, X2400 118
Audio Top 57 Components - X2403, X2405, X4202 119
Audio Analog 58 Components - X4300, Z2400 120
Audio Digital 59 Troubleshooting Software Documentation 121
Audio FM Radio 60 Troubleshooting Fixture Setup Instructions 128
1228-1147 rev. 1 2 (129)
ABOUT Equipment List SEMC Troubleshooting Manual
C903
C903 Equipment List Troubleshooting Fixture
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