L2 Repair Document TCL Communication Ltd.
MK20 Level 2 Repair Document
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Content
1 Level 2 repair process .............................................................................................. 4
2 Warranty Check and Visual Inspection ................................................................... 4
2.1 Warranty confirmation of L1..................................................................................... 4
2.2 Visual mechanical check .......................................................................................... 5
3 Battery ........................................................................................................................ 5
3.1 Battery information ................................................................................................... 5
3.2 WARNING OF BATTERY disassembling .................................................................. 6
4 Software download ................................................................................................... 7
5 Disassembly and assembly MK20 ......................................................................... 11
5.1 ESD Safety ............................................................................................................... 11
5.2 Disassembly tool ..................................................................................................... 11
5.3 Disassembly process ............................................................................................... 11
5.4 Disassembly Notice ................................................................................................. 17
5.5 Reassembly process ................................................................................................ 17
5.6 Disassembly process evaluation ............................................................................ 18
6 Disassembly Complete ........................................................................................... 18
7 Level 2 repair ........................................................................................................... 19
8 PCBA exchange ....................................................................................................... 22