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L2 Repair Document 

                         

TCL

 Communication Ltd.

 

                     

Rev. 

5056O

 

Level 2 Repair Document 

Page 

1.0 

1/60 

All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.

 

POP4-5.5C ATT 

5056O 

 

 

 

 

 

 
 
 
 
Note: this manual is non-contractual and TCL Communication Ltd. can modify it without prior 

notice on the characteristics of described equipments. 

 

Summary of Contents for 5056O

Page 1: ...1 0 1 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization POP4 5 5C ATT 5056O Note this manual is non contractual and TCL Communication Ltd can...

Page 2: ...Document Page 1 0 2 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 1 1 Update 1 0 2016 02 15 Draft creation Mani Lee Abby Zhou Damon Han Rev...

Page 3: ...specification 16 3 4 WARNING of Battery disassembling 17 4 Software download 18 4 1 Equipments requested when download 18 4 2 Handset driver installation 18 4 3 SW download process 19 5 Disassembly an...

Page 4: ...nication of this file is prohibited without authorization 1 Level 2E repair process Reassembly Record in BIG End OK Retest OK OK Start Visual Inspection Warranty Check Pretest Failure confirm SW Upgra...

Page 5: ...er check 1 Power on the handset enter Settings About phone Status IMEI IMEI SV 2 If the IMEI sticker in the back casing is not lost We should make sure that the IMEI number MUST be the same with the o...

Page 6: ...ck items 1 Corrosion Corrosion on the USB connector SIM connector and other metal surfaces 2 Hole diameter 1mm Holes on any surface including the front casing furnished frame battery cover touch Lens...

Page 7: ...c melts 2 3 Pretest 1 Check that the SIM card and SD card are set correctly 2 Power on the cell phone 3 If the cell phone asks to input NCK code this means it is SIM locked and can only be worked with...

Page 8: ...LCD display greychart if it functions well IV Press Pass to continue V You will see the LCD display black if it functions well VI Press Pass to continue VII You will see the LCD display white if it fu...

Page 9: ...ll II Press Pass to continue Camera led I You will see the Camera led light on if it functions well II Press Pass to continue Charge Led I It will display Please check charge LED if it functions well...

Page 10: ...sert earphoneif it functions well II Remove the ear phone then press Pass to continue USB Charger I Insert USB cable according to instruction then it will say USB OK Charger OK II Remove USB cable acc...

Page 11: ...Pass to continue BLUETOOTH I Bluetooth will search automatically and it will display device address if it functions well II Press Pass to continue WIFI I It will search for WIFI hotspot and display s...

Page 12: ...l the emergency call if it functions well II Press Pass to continue Hardwareinfo It will displays the hardware information G sensor light sensor SIM etc if it functions will Factory Reset I It will di...

Page 13: ...bellowing table shows the nominal battery life respectively in standby and talking mode These typical values are expressed in normal temperature with battery initially full charged and under good rat...

Page 14: ...not been stored for long time the charge time listed as below table Battery type RF standby mode Typical Charge time Soft pack 3 5H Note If the battery is new charge it before use Battery icon will a...

Page 15: ...d battery icon display Table Battery charge status on handset 2 If the display does not light on or battery icon does not flash when the charger or the cell phone s charge function is defective with m...

Page 16: ...Document TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 16 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 3 3Battery speci...

Page 17: ...or communication of this file is prohibited without authorization 3 4WARNING of Battery disassembling Potential for fire or burning Do not puncture crush or heat the battery Strictly avoid using sharp...

Page 18: ...set which needs to be updated This downloading tool is called Multi Download QCT_SP Handset Software can be downloaded from TS website via it Thus internet access is necessary TS Website https css tcl...

Page 19: ...Rev 5056O Level 2 Repair Document Page 1 0 19 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 4 3 SW download process I Login the Multi Downl...

Page 20: ...v 5056O Level 2 Repair Document Page 1 0 20 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization II Click the Download button it will display the...

Page 21: ...ir Document TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 21 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization III Upgrade fi...

Page 22: ...t authorization 5 Disassembly and assembly 5056O 5 1 ESD Safety Please wear static loop or static glove 5 2 Disassembly tool You may use the following tools during the disassembly and reassembly proce...

Page 23: ...t TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 23 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step2 Take off the 17 sc...

Page 24: ...L2 Repair Document TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 24 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization...

Page 25: ...ocument TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 25 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step3 Disconnect t...

Page 26: ...56O Level 2 Repair Document Page 1 0 26 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 4 Disconnect the FPCs connector and main camera...

Page 27: ...Level 2 Repair Document Page 1 0 27 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Step 5 Remove the speaker front camera and rubber Note Do...

Page 28: ...is prohibited without authorization Step 6 Disconnect the vibrator and side keys by using soldering iron Temperature Lead free technology 330 10 time 5 6 seconds Step7 Remove battery 1 Pull the two ba...

Page 29: ...ion 2 Remove the battery from the front casing I Potential for fire or burning Do not puncture crush or heat the battery Strictly avoid using sharp tool to pry up battery Fire extinguisher is needed f...

Page 30: ...or communication of this file is prohibited without authorization Step 8 Disassemble complete 5 4 Reassembly process Please make reference to the disassembly process for assembly reverse an order of t...

Page 31: ...levels and disassembly methods as below for technique levels Class 1 signifies easy to disassembly Class 2 signifies normal to disassembly and Class 3 signifies hard to disassembly Spare part Time fo...

Page 32: ...r Document Page 1 0 32 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization Please get the latest SPL in Forlog system This chapter describes the...

Page 33: ...pair Document TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 33 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization z Display fa...

Page 34: ...ication of this file is prohibited without authorization z Vibrating function failure N Check whether contact of PCBA is clean Y Clean the contact of PCBA Y Y Replace PCBA Vibrating function failure Y...

Page 35: ...Document TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 35 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization z Touch function...

Page 36: ...cument TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 36 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization z SIM card can t be...

Page 37: ...er copy use or communication of this file is prohibited without authorization z TF card can t be recognize Check whether the TF card is good N Check whether the TF card connector is good Change TF car...

Page 38: ...ibited without authorization z Main camera function failure Check whether the connection between main camera and Main camera connector is good N Y N Check whether main camera is normal Y Check whether...

Page 39: ...ocument TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 39 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization z Sub camera funct...

Page 40: ...r is good reweld or replace battery connector Y Y Y N Charging failure Y Replace PCBA Check whether USB connector is normal Reweld or replace USB connector Y Check whether Main FPC connector is normal...

Page 41: ...TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 41 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 8 1 Position of L2 enhance...

Page 42: ...prohibited without authorization 8 2 Trouble shooting for common failures NOTE 1 Because the main PCBA will become damp after long time storage please use oven to bake the main PCBA firstly if it has...

Page 43: ...tion in order to verify whether the old component is defected 3 Please use hot wind gun to reweld or disassemble assemble the component mentioned afterwards hot wind gun temperature 330 Air Level 2 3...

Page 44: ...on issue Check whether side key FPC is normal N Y N Check whether J1101 is normal Y N Y Check whether T2125is normal N Replace side key FPC R e w e l d o r r e p l a c e J1101 Replace new battery and...

Page 45: ...or communication of this file is prohibited without authorization 8 2 3 TP function failure Check whether the connection between TP and J6204 is good N Y N Check whether TP is normal interchange metho...

Page 46: ...cument TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 46 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 8 2 4 Voice transmi...

Page 47: ...communication of this file is prohibited without authorization 8 2 5 SD card is not recognized Check whether the TF card is well inserted N Y N Check whether J2201 is normal Reassemble TF card Replace...

Page 48: ...rization Check whether the connection b e t w e e n m a i n camera a n d J6201 is good N Y N Check whether J6201 is normal Y Check whether main camera is normal Interchange method N Reassemble main ca...

Page 49: ...thorization 8 2 9 Front camera function failure Check whether the connection b e t w e e n f r o n t camera a n d J6202 is good N Y N Check whether J6202 is normal Y Check whether front camera is norm...

Page 50: ...OK N Y N Y Replace new battery and check the charge function etc Check whether USB cable is normal N Replace USB cable Check whether battery is normal such as volt etc Y Check whether J2101 is normal...

Page 51: ...ot recognized Check whether USB cable is normal N Replace USB cable N Y N Check whether T2120 T2121 T2122 T2123 T2124 is normal Reweld or replace T2120 T2121 T2122 T2123 T2124 Check whether the furnis...

Page 52: ...of this file is prohibited without authorization 8 2 12 No signal Check whether Main FPC antenna is normal N Y Replace furnished frame Check whether U3103 or U4101 is normal N Reweld or replace U3103...

Page 53: ...is file is prohibited without authorization 8 2 13 Headset failure Check whether J6103 is normal N Reweld or replace J6103 Y Check whether headset is normal N Y Replace headset Reweld or replace U1101...

Page 54: ...PCBA without accessories LCD and camera 2 Get a new PCBA from the swap stock Reuse those accessories to assemble the mobile 3 Fill in the record sticker with IMEI number fault code short code Hardware...

Page 55: ...astic tweezers and wedge etc Besides operator must wear anti static gloves fingertips or wear static loop during the whole process of components exchange 10 Function test During the function test the...

Page 56: ...v 5056O Level 2 Repair Document Page 1 0 56 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 2 Smudge on PCBA such as soldering flux rudimenta...

Page 57: ...ut authorization 3 Symptom sticker high temperature adhesive or nonstandard label on PCBA Note a Nonstandard label means broken label label with handwriting dirty label label pasted in the wrong place...

Page 58: ...ocument TCLCommunication Ltd Rev 5056O Level 2 Repair Document Page 1 0 58 60 All rights reserved Transfer copy use or communication of this file is prohibited without authorization 4 PCBA with liquid...

Page 59: ...bag Note please keep the anti static bag clean and intact especially not to paste any label on it b Choose box according to shipping quantity Each slot usually put 4 or 5pcs 4pcs for big one and 5pcs...

Page 60: ...e send the electronic edition to all relevant receivers departments If possible put the hard copy Excel file of L3 PCBA Symptom description into the carton No Country Project Name Commercial Reference...

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