Table of Contents
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L2 Repair Enhance Document
1
Level 2 repair process .............................................................................................. 4
2
Warranty Check and Visual Inspection ................................................................... 5
2.1 Warranty confirmation of L1..................................................................................... 5
2.2 Visual mechanical check .......................................................................................... 5
2.3 Pretest ........................................................................................................................ 6
3.
TBC) ................................................................................................................................ 14
3.1 Equipments requested when download： ............................................................. 14
3.2 Install of download Tool ........................................................................................... 15
3.3 SW download process ............................................................................................. 16
4 Disassembly and assembly PRD62980 ................................................................... 19
4.1 ESD Safety ................................................................................................................ 19
4.2 Disassembly tool ...................................................................................................... 19
4.3 Disassembly process ............................................................................................... 20
4.4 Disassembly process evaluation ........................................................................... 34
5
Disassembly Complete ........................................................................................... 35
6
Level 2 repair ........................................................................................................... 37
6.1 power on issue ......................................................................................................... 40
6.2 Charge issue ............................................................................................................. 41
6.3 Display issue ............................................................................................................ 42
6.4 Vibrator issue .......................................................................................................... 43
6.5 Touch panel issue ................................................................................................... 44
6.6 SIM recognize issue ................................................................................................ 45
6.7 TF card recognized issue ....................................................................................... 46
6.8 Main camera issue .................................................................................................. 47
6.9 Sub camera issue .................................................................................................... 48
6.10 MIC issue ................................................................................................................. 49
6.11 Speaker issue .......................................................................................................... 50
6.12 USB connector issue .............................................................................................. 51
7
Level 2 Enhance repair ........................................................................................... 52
7.1 Position of L2 enhance components on main PCBA and sub PCBA ................... 52
7.2 Trouble shootings for common failures ................................................................. 54
7.2.1 Power on issue ...................................................................................................... 55
7.2.2 Charge issue .......................................................................................................... 56
7.2.3 Display issue ......................................................................................................... 57
7.2.4 SIM/TF recognized issue ....................................................................................... 58
7.2.5 Main camera issue ................................................................................................ 59
7.2.6 Sub camera issue .................................................................................................. 60
7.2.7 MIC issue ................................................................................................................ 61
7.2.8 Speaker issue ........................................................................................................ 62
7.3 Level 2 enhance spare part list ............................................................................... 62
8
PCBA exchange ....................................................................................................... 62
9
Other component exchange ................................................................................... 63
10 Function Test ............................................................................................................. 63
APPENDIX ....................................................................................................................... 63
Rev.
1.0
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