TCL ELSA6 Series, Руководство по ремонту, Страница: 3 / 58

L2E Repair Document
TCL
Communication Ltd.
Rev.
5085Y/D/A/B/J/Q/I/N/H
L2E Repair Document
Page
1.3 3/58
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Content
1 L2E repair process .................................................................................................... 4
2 Warranty Check and Visual Inspection ................................................................... 4
2.1 Warranty confirmation of L1..................................................................................... 4
2.2 Visual mechanical check .......................................................................................... 5
2.3 Pretest ........................................................................................................................ 6
3 Software download ................................................................................................. 10
4 Disassembly and assembly 5085Y/D/A/B/J/Q/I/N/H .............................................. 12
4.1 ESD Safety ............................................................................................................... 12
4.2 Disassembly tool ...................................................................................................... 12
4.3 Disassembly process ............................................................................................... 16
4.4 Disassembly Notice: ................................................................................................ 26
4.5 Reassembly process ................................................................................................ 26
4.6 Disassembly process evaluation ............................................................................ 28
5 Disassembly Complete ........................................................................................... 28
6 Level 2 repair ........................................................................................................... 30
7 L2E repair ................................................................................................................. 39
7.1 Position of L2E components on main PCBA and sub PCBA .............................. 39
7.2 Trouble shooting for common failures .................................................................. 41
7.3 L2E spare part list ................................................................................................... 57
8 PCBA exchange ....................................................................................................... 57
9 NOTE for defective PCBAs ..................................................................................... 58
10 Functional test ......................................................................................................... 58