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SEMC Electrical Repair Manual
K800 - K810
Electrical repair manual
ABOUT
FUNCTION OVERVIEW
K800 K810
COMPONENT OVERVIEW
SAMPLE POINTS
TROUBLESHOOTER
APPENDIX
1202-3085 rev. 2 1 (121)
ABOUT Contents SEMC Electrical Repair Manual
K800 - K810
ABOUT CONTENTS
General information Flash Problems - Audio Internal Problems 53
ABOUT
ABOUT 2
General Information 2 Audio External Problems - Camera Problems 54
Contents 2 FM Radio Problems - Vibrator Problems 55
The purpose of this document is to provide enhanced technical information for Sony Ericsson FUNCTION OVERVIEW 3 Memory Stick Problems - Bluetooth Problems 56
Description 3 Network Problems - Display Problems 57
repair technicians in order to assist during service, repair and troubleshooting operations on Sony
General 3 Test Current Consumptions 58
Ericsson mobile phones. It should be used as a complement to other repair instructions and tools Mechanical Design 3 Test Charging 58
as notified by the local Sony Ericsson representative. RF Parts 3 Test the ASIC Revisions 59
Logic/Audio Part 5 Test Backup Capacitor 59
To search for components throughout the entire document use the "search" function in Adobe Antenna 5 Test the Joystick Switch S2504 and Diodes V2503, V2506-09 60
Acrobat Reader 7.0 (or later version) and enter the component name or other word. Use zoom to Bluetooth 5 Test the Diode V2500 61
enlarge. IR 6 Test the Protection Diodes V2510 to V2514 61
FM Radio 6 Test the diode V2504 and Switch S2500 62
For easier navigation of the document you can use the bookmarks that appear in the Bookmarks External Connections 6 Test the Switches S2505 & S2506 62
tab on the left side of the Adobe Acrobat Reader window. Each bookmark jumps to a page in the High Level 7 Test the Switch S2502 63
Radio 8 Test the Switches S2503 & S2507 63
document. Baseband 9 Joystick and Other Keys Problems 64
Data and Signals 10 Test the System Connector Protections 64
Acoustics 11 Reference MP 65
Power Distribution 12 APPENDIX 66
Instruments used Baseband Top - Radio Top - Bluetooth - FM Radio 13 K800 Mechanical Parts List 66
Radio - Top 14 K810 Mechanical Parts List 70
Power supply ........................ Agilent 6632B Radio - Power Supply 15 Part List Main Board 73
Radio - UMTS 16 Components A1200 74
Power supply............ ...........Agilent 66311B Radio - GSM 17 Components A1300 83
Power supply set to 3,8V and limited to 2A Radio - Bluetooth 18 Components B2100, B4100 90
Baseband - Logic Top 19 Components C2217, D1400 91
Oscilloscope ................ Tektronix TDS 2012 Baseband - System Control Top 20 Components D2301, D2304 92
Baseband - System Control Clocks and Resets 21 Components H2300, D3100, D3101 93
Multimeter ......................................Fluke 83 Baseband - System Control Test 22 Components N2000, N2200 94
Baseband - Power Top 23 Components N2202, N2203, N2300 95
Spectrum Analyzer..Hewlett Packard 8596E Baseband - Regulators and Charging 24 Components N2600, N3100, N4100 96
Baseband - Power Camera 25 Components N4202, S2500, S2502 97
Mobile Phone Tester.........Yokogawa VC230 Baseband - Power ASICs 26 Components S2504, S2505, S2506 98
Baseband - Power Memories 27 Components V2201, V2202 99
Baseband - Operation & Services Top 28 Components V2220, V2301, V2552 100
Baseband - Operation & Services Memories 29 Components V2500, V4101, V2504 101
Baseband - Operation & Services GPIO 30 Components V3101, V3102 102
Disclaimer Baseband - Operation & Services ADC & DAC 31 Components V3103, V3110 103
This document is Sony Ericsson confidential and should be treated as confidential in accordance Baseband - Operation & Services MS Pico & SIM 32 Components V3113, X1000 104
Baseband - Operation & Services Connectivity 33 Components X1002, X2200 105
with the agreement with Sony Ericsson. This document is intended for use by authorized service Baseband - UMTS Access Top 34 Components X2301, X2302 106
technicians only. Sony Ericsson is not to be held responsible for any damages or losses caused Baseband - UMTS Access WCDMA 35 Components X2501, X2505, X2510 107
intentionally or unintentionally due to unauthorised use of the information in this document. Baseband - UMTS Access GSM 36 Components X2550, X3102 108
Baseband - MMI Top 37 Keyboard K800 109
Baseband - MMI Keypad 38 Keyboard K810 110
Baseband - MMI Display 39 Display 111
Baseband - MMI Audio 40 VGA Camera KNC20116 112
Baseband - MMI Camera 41 Camera Module KNC20125 112
Baseband - MMI FM Radio 42 Xenon Flash Module 113
COMPONENT OVERVIEW 43 SI Can't Power On 114
Front Side B - C 43 SI Can't Power On 115
Front Side D - Z 44 SI Joystick Switch Replacement 116
Back Side A - Z 45 SI Support Pad for Camera Switch 116
Revision History SAMPLE POINTS 46 SI Problem with Front Spare Part 117
Front Side 46 SI Problem with On/Off Button 117
Rev. Date Changes / Comments Back Side 47 SI Emma 3 White Screen Patch 118
TROUBLESHOOTER 48 SIActivate Sporadic Behaviour 118
1 6/29/2007 Initital revision. Repair Actions 48 SI Pre-Configuration Change 119
Repair Actions 49 SI Vincenne Replacement 120
On/Off - Dead Phone 50 SI Emma 3 Important Start-Up Operation, SI New Software 120
Charging Problems - VBUS Charging Problems 51 Torque Settings 121
Keyboard & Display Backlight - SIM 52 Placing in a Shield Box 121
1202-3085 rev. 2 2 (121)
FUNCTION OVERVIEW Description SEMC Electrical Repair Manual
K800 - K810
DESCRIPTION 2.1 Mechanical Design
1 General The phone is built up around a core unit consisting of a plastic frame with the BT antenna
mounted on which the assembled PCB, the cameras, the vibrator, a plastic LCD holder and
the LCD, a plastic keyboard support plate and the keyboard dome foil, the loud speaker box
The Sony Ericsson Mobile Communication phone K800 is a 3G dual mode mobile phone with loudspeaker and antenna, and the xenon flash module are mounted. This core unit is then
FUNCTION OVERVIEW
supporting WCDMA and triple band GSM/GPRS in the 900, 1800 and 1900 frequency bands. The snapped and screwed in the front cover together with the keys, joystick, and the M2 cover. The
phone is a GPRS class 10 terminal supporting voice, circuit switched (CS) and packet switched antenna cover with the sliding camera lens cover is then mounted. The battery fits in a dedicated
(PS) data. This Sony Ericsson dual mode 3G product is designed to be compatible with all cavity and is covered with a battery cover.
mandatory GSM phase 2+ recommendations.
Dimensions
The phone has an in-built antenna, a 3.2 Mega Pixel Camera with a lens cover and an associated
xenon flash, a VGA-Camera for Video Call, a Display, and a slot for a Memory Stick M2 external
Length 106mm
memory.
Width 47mm
There is only one size of battery. A connector at the bottom of the phone makes it possible Thickness 18mm (22mm across the lens cover)
to connect various accessories like chargers and hands-free units. A USB cable can also be Weight 115g
connected to the bottom connector. The external antenna connector can be used to connect to an
external antenna, disconnecting the internal phone antenna. 2.2 RF parts
The electronic functions are divided into RF parts, logic/audio parts, opto-electronic parts,
Bluetooth parts, an IR transceiver, and an FM radio. The electronics parts consists of the main 2.2.1 GSM 900
PCB with components placed on both sides, the Key-Flexible-PCB that has Key-Matrix-circuit/
LEDs, loudspeaker box with the internal antenna, ear speaker, microphone, vibrator, 3.2 mega The GSM 900 part of the transceiver is including E-GSM and has a frequency range spanning
pixel camera, xenon flash module, VGA camera, the Display, Bluetooth module, and FM radio from 925.2 to 959.8 MHz for the receiver, and from 880.2 to 914.8 MHz for the transmitter. This
parts. The RF parts are mainly housed in separate modules. gives 174 channels with 200kHz channel separation. The TX