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ABOUT TROUBLESHOOTING MEASUREMENT POINTS COMPONENT OVERVIEW FUNCTIONAL OVERVIEW APPENDIX
SEMC Troubleshooting Manual
C702
1 (115)
Troubleshooting Manual
1221-7857 rev. 1
C702
ABOUT Contents SEMC Troubleshooting Manual
C702
ABOUT
General information
ABOUT
ABOUT 2 System PoP IF 57
About 2 Power Top 58
The purpose of this document is to provide enhanced technical information for Sony Ericsson Contents 2 Regulators & Charging 59
repair technicians in order to assist during service, repair and troubleshooting operations on Sony Power Camera 60
Ericsson mobile phones. It should be used as a complement to other repair instructions and tools Power ASICs 61
as notified by the local Sony Ericsson representative. TROUBLESHOOTING 3 Power Memories 62
Equipment List 3
Connectivity Top 63
To search for components throughout the entire document use the "search" function in Adobe On/Off Problems 8
Connectivity ADC & I2C 64
Acrobat Reader 7.0 (or later version) and enter the component name or other word. Use zoom to Flash Problems 8
Connectivity Cards 65
enlarge. Dead Phone Problems 9
Connectivity 66
Display Problems 10
Connectivity Keypad 67
For easier navigation of the document you can use the bookmarks that appear in the Bookmarks Display Illumination Problems 11
Audio Top 68
tab on the left side of the Adobe Acrobat Reader window. Each bookmark jumps to a page in the Key Problems part 1 11
Audio Analog 69
Key Problems part 2 12
document. Audio Digital 70
LED Problems 12
Audio FM Radio 71
Main & VGA Camera 13
Test 72
Camera Door Sensor & Flash LED Problems 13
Thor RF Module - TOP 73
Vibrator Problems 14
Disclaimer Thor RF Module - GSM/EDGE Tx + FEM 74
Charging Problems 14
Thor RF Module - GSM/EDGE Rx + Synth 75
This document is Sony Ericsson confidential and should be treated as confidential in accordance USB/VBUS Charging Problems 15
Squid RF Module - Radio Top 76
SIM Problems 16
with the agreement with Sony Ericsson. This document is intended for use by authorized service Squid RF Module - Radio Cont UMTS 77
Memory Stick Problems 16
technicians only. Sony Ericsson is not to be held responsible for any damages or losses caused Squid RF Module - Radio Duplex 78
Audio Internal Problems 17
intentionally or unintentionally due to unauthorised use of the information in this document. Squid RF Module - Radio Top UMTS 79
Audio External Problems 17
Squid RF Module - Radio Receiver UMTS 80
FM Radio Problems 18
Squid RF Module - Radio Synthesizer UMTS 81
Bluetooth Problems 18
Squid RF Module - Radio Power Amplifier 82
GSM Network Problems 19
WCDMA Network Problems 20
System Connector Protection Test 21 COMPONENT OVERVIEW 83
Current Consumption Test 21 Front Side 83
Current Consumption Test 22 Back Side 84
Battery and Current Calibration Test 23
Backup Capacitor Test 23 FUNCTIONAL OVERVIEW 85
Charging Test 24 Technical Description 85
ASIC Revision Test 24 Block Diagrams 95
Reference Measurement Points 25
Measurement Points Pictures 26
APPENDIX 97
Replaceable Parts 97
MEASUREMENT POINTS 39 Components - B2101, B3100, D2105 98
Front Side 39 Components - D2404, L2401-5, L2408 98
Back Side 40 Components - N1200, N1210 99
N1200 Thor Module 41 Components - N1400, N1430 100
N1210 Squid Module 42 Components - N2205, N2402, N3100 101
Top Schematic 43 Components - N1301, V2202, V2405 102
Imaging Top 44 Components - V2420-21, S2502-4 102
Imaging Display 45 Components - V2425, V3105-6, X1200 103
Revision History Imaging Camera 46 Components - X1201-3, X1301-2 103
Imaging LMU 47 Components - X1430-31 103
Imaging Sensor 48 Components - X2200, X2300 104
Rev. Date Changes / Comments Access Top 49 Components - X2402, X2403 104
1 10/31/2008 Initital revision.
Access GSM & UMTS 50 Components - X2490, X4201, X4202 105
Access Bluetooth 51 Components - X4300 105
Access AGPS 52 Components - X4301 106
Application & System Performance 53 Flash FPC Schematics 106
System Top 54 Keyboard FPC Schematics 106
Clocks & Resets 55 Troubleshooting Software Documentation 107
System Memories 56 Troubleshooting Fixture Setup Instructions 114
1221-7857 rev. 1 2 (115)
TROUBLESHOOTING Equipment List SEMC Troubleshooting Manual
C702
C702 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
TROUBLESHOOTING
Note: It is very important to follow instrument setting instructions when performing the
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.
Picture 1
Note: More additional information about the equipment used for TRS can be found in Repair
Tools Catalogue on CSPN or on the following location: CSPN