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TCT Mobile Medoc ONE TOUCH 985 Manual
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TCT Mobile Medoc ONE TOUCH 985 Manual

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By NCK Team
L2 Repair Document
L2 Repair Document
Medoc/ONE TOUCH 985/985(A/N/S)
Note: this manual is non-contractual and TCT can modify it without prior notice on the
characteristics of described equipments.
Rev.
Page
ONE TOUCH 985 Level 2 Repair Document
1.0
1/31
All rights reserved. Transfer, copy, use and communication of this file is prohibited without authorization.

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Summary of Contents for TCT Mobile Medoc ONE TOUCH 985

  • Page 1 By NCK Team L2 Repair Document L2 Repair Document Medoc/ONE TOUCH 985/985(A/N/S) Note: this manual is non-contractual and TCT can modify it without prior notice on the characteristics of described equipments. Rev. Page ONE TOUCH 985 Level 2 Repair Document 1/31 All rights reserved.
  • Page 2 By NCK Team L2 Repair Document 2011-1-03 Draft creation Huangzhen Huahan Chen Weibo Rev. Date Modification description Prepared By Checked By Approved By Rev. Page ONE TOUCH 985 Level 2 Repair Document 2/31 All rights reserved. Transfer, copy, use and communication of this file is prohibited without authorization.
  • Page 3 By NCK Team L2 Repair Document 1 Level2 repair process Start Visual Inspection Warranty Check Pretest & Failure confirm Back up user data SW Upgrade Function test Disassembly L2 Repair PCBA Replace Retest Reassembly Retest Restore User Information Record in BIG Rev.
  • Page 4 By NCK Team L2 Repair Document 2 Warranty Check and Visual Inspection Warranty confirmation of L1: IMEI sticker check: The IMEI number MUST be the same with the one on the IMEI sticker. If not, it’s out of warranty policy IMEI label should not be Removed Scratched...
  • Page 5 By NCK Team L2 Repair Document Bump Bumps (diameter > 1mm) on any surface, including front casing, decorate frame, battery cover, touch Lens, keypad, etc. Scratch Scratches (length > 3mm) on any surface, including the front casing, decorate frame, battery cover, touch Lens, keypad, etc.
  • Page 6 By NCK Team L2 Repair Document TRACABILITY Test You will see the CU_reference, BT address and WIFI address… Press “Pass” to continue. LCD MIRE/BLACK/GREYCHART/WHITE Test You will see the LCD color changes if it functions well Press “Pass” to continue. KEYPAD Test.
  • Page 7 By NCK Team L2 Repair Document Press “Pass” to continue. GSENSOR Test put the handset face up and towards up, then to the Left, Right, Up and Down Press “Pass” to continue COMPASS Test If it’s OK, press pass to continue ALS/PS Test Put your thumb on the proximity sensor then remove Press “Pass”...
  • Page 8 By NCK Team L2 Repair Document 4 Disassembly and assembly ONE TOUCH 536 4.1 ESD Safety Please wear static loop or static glove 4.2 Disassembly tool You may use the following tools during the disassembly and reassembly procedure: Plastic Flake Hot wind gun Tweezers Screwdriver...
  • Page 9 By NCK Team L2 Repair Document Step 2: Separate the furnished frame from furnished front casing Step 3 Remove Touch Lens and LCD Module FPC connector by Plastic Flake ： Rev. Page ONE TOUCH 985 Level 2 Repair Document 15/31 All rights reserved.
  • Page 10 By NCK Team L2 Repair Document Step 4: Separate the Main PCBA from Furnished front casing Rev. Page ONE TOUCH 985 Level 2 Repair Document 16/31 All rights reserved. Transfer, copy, use and communication of this file is prohibited without authorization.
  • Page 11 By NCK Team L2 Repair Document Step 5 E xtract the camera by camera jig. ： Step 6 ： P lease use hot wind gun heating around the edge of the touch lens, then separate the touch lens from furnished front casing. (Temperature: 100 ±...
  • Page 12 By NCK Team L2 Repair Document Step 8: If you find the top of the touch screen is too viscous when you separate the touch screen from furnished front casing by plastic flake, please first prop the touch screen up by plastic pen and pay attention the place of TP FPC.
  • Page 13 By NCK Team L2 Repair Document Step 9 Separate the LCD Module from Touch lens by Plastic Flake. ： Rev. Page ONE TOUCH 985 Level 2 Repair Document 19/31 All rights reserved. Transfer, copy, use and communication of this file is prohibited without authorization.
  • Page 14 By NCK Team L2 Repair Document Step 10: Remove the following components from main PCBA with hot wind gun. 1- Touch panel Module connector 2-battery connector 3-SIM connector 4-RF connector 5-USB connector 6-T flash connector 7-camera connector 8-LCD module connector 9-audior jack volume side key FPC 11- Power side key FPC 12-Microphone 13-Camera key FPC Rev.

  • Page 15: Reassembly Process

    By NCK Team L2 Repair Document Disassembly Notice: Put all the spare parts on right position (don’t let all spare parts mixed and put on the clean place to avoid vitiated or stained for each spare part) after disassembly. When taking apart of LCD, take care not to dirty or damage it.
  • Page 16 By NCK Team L2 Repair Document 4.5 Disassembly process evaluation We list the ONE TOUCH 985 parts disassembly time, technique 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.

  • Page 17: Level 2 Repair

    By NCK Team L2 Repair Document damaged Battery connector Hot wind gun Class3 The connector Tweezers easy damaged Hot wind gun Class3 Microphone Tweezers Soldering iron Class3 Tweezers Tweezers Class 2 Keypad film 4.6 Disassembly Complete 5 Level 2 repair This chapter describes the LEVEL 2 repair that can be done without any diagnostic equipment.
  • Page 18 By NCK Team L2 Repair Document 3.Check the power on key; 4.Check BTB connector socket pin Main display Missing line or column; no Check Connection flex (FPC display; bad or no LCD cable),change it if necessary; backlight Replace display module if necessary; Vibrator The vibrator does not work Check the contact on the PCBA (dirty or...
  • Page 19 By NCK Team L2 Repair Document 7 Other component exchange The other components exchange such as LCD module Vibrator Receiver Speaker Microphone Camera FPC connection Audio connector Camera connector 10) Other related mechanical components Please follow the detail steps 4.3 (Disassembly and assembly process). But need to be very careful to handle the components with related special tool or jig (especially replacing new components) It is better to handle it with plastic tools (plastic tweezers and wedge etc.).
  • Page 20 By NCK Team L2 Repair Document 8.2 Measurement Measurements Channel Power Tol.min Tol.max Condition level Connection Mobile None None Radiated meas Call base from mobile None None Radiated meas Power level measurements 22 dBm 28 dBm Radiated meas Power level measurement 31 dBm 35 dBm Radiated meas...
  • Page 21 By NCK Team L2 Repair Document Power level measurements 515* 28 dBm 32 dBm Radiated meas Peak Phase error 515* 0° 20° Radiated meas measurements RMS Phase error 515* 0° 5° Radiated meas measurements Frequency error 515* -180 Hz +180 Hz Radiated meas measurements RX Level (BS power level : -...

  • Page 22: Appendix 1 Packaging Requirements

    By NCK Team L2 Repair Document RX Level (BS power level : - 513* Radiated meas 65dBm) Keyboard test (1) Power level measurements 880* 25 dBm 35 dBm Radiated meas Peak Phase error 880* 0° 20° Radiated meas measurements RMS Phase error 880* 0°...
  • Page 23 By NCK Team L2 Repair Document put commercial label and network Put failure code label and custom code on one side label on other side Network PCBA of Bar Phone code Custom label Commercial code Failure code label Put commercial label and custom At the same time put network code label on PCBA label and failure code label...
  • Page 24 By NCK Team L2 Repair Document Put commercial label on anti-vibration 3、 Packing Requirements Please pay attention to the following points when different models put into one box ： iii. Stick up the same models with tapes Mark the model, quantity and specification of custom label on tape The packing box for PCBA should have marking sticker and well sealed by the tape with TCL logo vii.

This manual is also suitable for:

Medoc one touch 985aMedoc one touch 985nMedoc one touch 985s