L2 Repair Enhance Document TCL Communication Ltd.
ONE TOUCH 6055K/P/Y/B/H Level 2 Enhance Repair Document
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Content
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. Software download ................................................................................................. 12
3.1 Equipments requested when download ................................................................. 12
3.2 Install driver .............................................................................................................. 12
3.3 SW download process ............................................................................................. 13
4 Disassembly and assembly ONE TOUCH 6055 ...................................................... 17
4.1 ESD Safety ................................................................................................................ 17
4.2 Disassembly tool ...................................................................................................... 17
4.3 Disassembly process ............................................................................................... 18
4.4 Reassembly Process .............................................................................................. 33
4.5 Disassembly process evaluation ........................................................................... 38
5 Disassembly Complete ........................................................................................... 38
6 Level 2 repair ........................................................................................................... 40
6.1 power on issue ......................................................................................................... 43
6.2 Charge issue ............................................................................................................. 44
6.3 Display issue ............................................................................................................ 45
6.4 Vibrator issue .......................................................................................................... 46
6.5 Touch panel issue ................................................................................................... 47
6.6 SIM recognize issue ................................................................................................ 48
6.7 TF card recognized issue ....................................................................................... 49
6.8 Main camera issue .................................................................................................. 50
6.9 Sub camera issue .................................................................................................... 51
6.10 MIC issue ................................................................................................................. 52
6.11 Speaker issue .......................................................................................................... 53
6.12 USB connector issue .............................................................................................. 54
7 Level 2 Enhance repair ........................................................................................... 55
7.1 Position of L2 enhance components on main PCBA and sub PCBA ................... 55
7.2 Trouble shootings for common failures ................................................................. 57
7.2.1 Power on issue ...................................................................................................... 58
7.2.2 Charge issue .......................................................................................................... 59
7.2.3 Display issue ......................................................................................................... 60
7.2.4 SIM/TF recognized issue ....................................................................................... 61
7.2.5 Main camera issue ................................................................................................ 62
7.2.6 Sub camera issue .................................................................................................. 63
7.2.7 MIC issue ................................................................................................................ 64
7.2.8 Speaker issue ........................................................................................................ 65
7.3 Level 2 enhance spare part list ............................................................................... 65
8 PCBA exchange ....................................................................................................... 65
9 Other component exchange ................................................................................... 66
10 Function Test ............................................................................................................. 66
APPENDIX ....................................................................................................................... 66
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