TCL PIXI 5-10 4G VF - Default Chapter; Table of Contents

L2E Repair Document TCL Communication Ltd.
Rev.
VF1300 Level 2E Repair Document
Page
1.0
3/39
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Content
1 Level 2E 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 Battery ........................................................................................................................ 8
3.1 Battery information ................................................................................................... 8
3.2 Battery storage requirements: ................................................................................. 9
4 Software download ................................................................................................... 9
4 Disassembly and assembly .................................................................................... 10
4.1 ESD Safety ................................................................................................................ 10
4.2 Disassembly tool ...................................................................................................... 10
4.3 Disassembly process ............................................................................................... 11
4.4 Disassembly Notice: ................................................................................................ 19
4.5 Reassembly process ................................................................................................ 19
5 L2 spare part list ...................................................................................................... 20
6 Level 2 trouble shooting ......................................................................................... 20
7 Level 2 Enhance Repair .......................................................................................... 28
7.1 Position of components on PCBA for L2 enhance repair ..................................... 29
7.2 Trouble shooting for common failures ................................................................... 31
7.2.1 LCD Display issue ............................................................................................... 32
7.2.1 Power on issue .................................................................................................... 32
7.2.2 TF card is not recognized ................................................................................... 34
7.2.3 Camera function failure ....................................................................................... 35
7.2.4 Charging failure ................................................................................................... 36
7.2.5 USB is not recognized ......................................................................................... 37
7.2.6 No Wi-Fi/BT/FM/GPS signal ................................................................................ 38
8 PCBA exchange ....................................................................................................... 39
9 NOTE for defective PCBAs ..................................................................................... 39
10 Functional test ......................................................................................................... 39