Working Instruction, Mechanical
3/000 21-1/FEA 209 544/104 C
Company Internal
© Sony Ericsson Mobile Communications AB
Working Instruction, Mechanical
Applicable for W850i
CONTENTS
1 Introduction .............................................................................. 3
1.1 Equipment.................................................................................4
1.2 General cautions ......................................................................5
1.3 Adhesives .................................................................................5
1.4 Recurrent Repair Actions ........................................................5
2 Disassembly ............................................................................. 6
2.1 Overview ...................................................................................6
2.1.1 Battery Cover Assembly and Battery..................................... 7
2.1.2 Upper Rear Lid Assembly ..................................................... 8
2.1.3 Upper Front Assembly Complete .......................................... 9
2.1.4 Dividing the Phone into Upper and Lower half’s.................. 11
2.1.5 Numeric Key Foil assembly................................................. 15
2.1.6 Lower Rear Cover Assembly (and Main PBA) ....................16
2.1.7 ESD Protection Sheet ......................................................... 17
2.1.8 LCD Module and Navigation Key Foil Assembly ................. 18
2.1.9 Lower Front Assembly, Upper Carrier Assembly and Slide
Mechanism.......................................................................... 19
3 Replacements......................................................................... 21
3.1 Battery Cover..........................................................................22
3.2 Upper Rear Lid Assembly......................................................22
3.3 Upper Front Assembly Complete .........................................22
3.4 Numeric Key Foil Assembly..................................................22
3.5 Lower Rear Cover assembly .................................................22
3.6 ESD Protection Sheet ............................................................22
3.7 LCD Module ............................................................................22
3.8 Navigation Key Foil Assembly..............................................23
3.9 Lower Front Assembly, Upper Carrier Assembly and Slide
Mechanism..............................................................................23
3.10 External Antenna Plug Assembly.........................................24
3.11 IRDA Window..........................................................................25
3.12 Co-Brand Label.......................................................................26
3.13 Tape Upper Rear Lid ..............................................................27
3.14 Rubber Connector, Speaker Plate ........................................28
3.15 Keyboard Navigation .............................................................29
3.16 Ear Speaker.............................................................................30
3.17 Water Indicator .......................................................................32
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