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TCL
L2 Repair Document
Communication Ltd.
Idol4 S VF
VFD 900
Note: this manual is non-contractual and TCL Communication Ltd. can modify it without prior
notice on the characteristics of described equipments.
Rev.
Page
1.3
1/74
VFD 900 Level 2 Repair Document
All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
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Summary of Contents for TCL Idol4 S VF
- Page 1 L2 Repair Document Communication Ltd. Idol4 S VF VFD 900 Note: this manual is non-contractual and TCL Communication Ltd. can modify it without prior notice on the characteristics of described equipments. Rev. Page 1/74 VFD 900 Level 2 Repair Document...
- Page 2 L2 Repair Document Communication Ltd. 2016/8/29 Update Xiaolong Yang 2016/5/3 Update Xiaolong Yang 2016/3/28 Draft creation Xiaolong Yang Rev. Date Modification description Prepared By Checked By Approved By Rev. Page 2/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
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Page 3: Table Of Contents
L2 Repair Document Communication Ltd. Content Level 2 repair process ....................5 Warranty Check and Visual Inspection ..............6 2.1 Warranty confirmation of L1..................6 2.2 Pretest ........................8 Battery ........................17 3.1 Battery information ....................17 3.2 Battery test ......................19 3.3 Battery specification .................... - Page 4 L2 Repair Document Communication Ltd. 6.4 Vibrator issue ......................58 6.5 Touch panel issue ....................59 6.6 SIM recognize issue ....................60 6.7 TF card recognized issue ..................61 6.8 Main camera issue ....................62 6.9 Sub camera issue ....................63 6.10 MIC issue .........................
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Page 5: Level 2 Repair Process
L2 Repair Document Communication Ltd. 1 Level 2 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 6: Warranty Check And Visual Inspection
L2 Repair Document Communication Ltd. 2 Warranty Check and Visual Inspection 2.1 Warranty confirmation of L1 IMEI sticker check: 1) Power on the handset, enter *#06# 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 one on the IMEI sticker; if not, it‟s out of warranty policy. - Page 7 L2 Repair Document Communication Ltd. Mechanical warranties check items: Corrosion Corrosion on the USB connector, SIM connector, and other metal surfaces。 Hole (diameter > 1mm) Holes on any surface, including the front casing, furnished frame, battery cover, touch Lens, keypad…...
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Page 8: Pretest
L2 Repair Document Communication Ltd. Others Damage caused by disassembly ,wrong part assembly, loss of components Use in abnormal environment like high temperature causing plastic melts 2.2 Pretest Check that the SIM card is set correctly. Insert the battery. Power on the cell phone. - Page 9 L2 Repair Document Communication Ltd. II. Press “Pass” to continue. SMARTPA CAL I. It will running the test automatically and show “TOP OK; BOTTOM OK; SmartPA Test PASS” if it functions well; II. Press “Pass” to continue. SpeakBOX I.
- Page 10 L2 Repair Document Communication Ltd. Touch Panel I. “Please draw on the yellow area” according to instructions; II. Press “Pass” to continue. I. You will see the LCD display three colors: RED, GREEN and BLUE if it functions well; II.
- Page 11 L2 Repair Document Communication Ltd. I. The screen backlight will be flashing if it functions well; II. Press “Pass” to continue. Front Camera Press “Pass” to continue if the front camera functions well. Main Camera Press “Pass” to continue if the main camera functions well. ...
- Page 12 L2 Repair Document Communication Ltd. receiver if it functions well; II. Press “Pass” to continue; III. You will hear a voice prompt which introduces some emergency call numbers from the bottom receiver if it functions well; IV. Press “Pass” to continue; V.
- Page 13 L2 Repair Document Communication Ltd. I. Close the NFC test card on battery cover and it will show “NFC: Detected; ID: xxxx” if it functions well; II. Press “Pass” to continue. Memory Card I. Insert SD card and the phone will detect it if it functions well; II.
- Page 14 L2 Repair Document Communication Ltd. I. Insert headset according to the instruction and you will hear FM playing and FM frequency will be displayed on the screen if it functions well; II. Press “Pass” to continue; III. Remove headset according to instruction and press “Pass” to continue. ...
- Page 15 L2 Repair Document Communication Ltd. Light Sensor I. It will show the value of ambient light and the value will change according to the phone‟s environment (Bright or Dark), then it will say “dark: OK”, “bright: OK” if it functions well; II.
- Page 16 L2 Repair Document Communication Ltd. II. Press “Pass” to continue. Wifi I. It will search for WIFI hotspot and it will display searched result on the screen if it functions well; II. Press “Pass” to continue. I. It will run GPS and search for satellite, and then it will display info such as “PRN”, “SNR”, etc.
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Page 17: Battery
L2 Repair Document Communication Ltd. I. You will see the percentage information and the charging information on the screen. II. Press function key “Back” to quit the test. Firmware I. You will see the firmware information on the screen, such as TP. II. - Page 18 L2 Repair Document Communication Ltd. Battery feature Model Element Capacity Battery Li Lithium 3000mAh Battery life The 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 ratio coverage.
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Page 19: Battery Test
L2 Repair Document Communication Ltd. 3.2 Battery test 1) Below table describes the various events related to a standard charger connected to a cell phone. VFD 900 Cell phone status before charger connected Display lights up and following battery icon displayed: During charging Sequential icon flashing: Following fixed battery icon display :... -
Page 20: Battery Specification
L2 Repair Document Communication Ltd. Confirm it works correctly or not. If it cannot work correctly after change charger. Check the Charge connector on the cell phone. If it is damaged, replace the cell phone. 3.3 Battery specification Cell model CSL376776 Pack model... -
Page 21: Software Download
L2 Repair Document Communication Ltd. 4. Software download It is authorized to download software for the handset which needs to be updated. This downloading tool is called “Sugar QCT_SP”. Thus internet access is necessary. TS Website: https://css.tclmobile.cn/. 4.1 Equipments requested when download ⑴... -
Page 22: Sw Download Process
L2 Repair Document Communication Ltd. 4.3 SW download process Ⅰ. Power off the handset and connect it with PC by USB cable, and then open “Sugar QCT_SP” v10.4.3 (you can get the latest version from TS website: https://css.tclmobile.cn/). “Sugar QCT_SP” login window looks like follow picture. - Page 23 L2 Repair Document Communication Ltd. Ⅱ. Use “Get Status” function to check current SW vision, available version from server and handset info such as IMEI, PTM, CU ref, data code, etc. Select the product models – “VFD 900”; Rev. Page 23/74 VFD 900 Level 2 Repair Document All rights reserved.
- Page 24 L2 Repair Document Communication Ltd. Press “Get Status” button. Remark：You can get “Date code” of the headset by using “Get Status” function. Rev. Page 24/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 25 L2 Repair Document Communication Ltd. III. Power off the handset and reconnect it with PC by USB cable, then click “Upgrade”, upgrade process will start automatically. IV. Upgrade finished. The phone will turn on automatically if the download is finished successfully. Rev.
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Page 26: Disassembly And Assembly Vfd 900
L2 Repair Document Communication Ltd. 5 Disassembly and assembly VFD 900 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 procedure: Screwdriver Pry bar Tweezers Plastic Flake SIM Card Tray Pin Soldering iron... -
Page 27: Disassembly Process
L2 Repair Document Communication Ltd. 5.3 Disassembly process The steps of disassembly VFD 900 are as below. Step1: Separate the SIM tray first by using SIM Card Tray Pin. Step2: Separate the back cover by using hot wind gun. level Ⅲ 75 ℃. - Page 28 L2 Repair Document Communication Ltd. Heating area 15mm (3) Pull up the battery cover with the suction cup (the largest angle between front casing and battery cover do not exceed 30° ), and then use the plastic flake to slide along the left/right side of battery cover carefully (the depth of flake infix at 1mm).
- Page 29 L2 Repair Document Communication Ltd. (4) Adjust the temperature of hot wind gun to 130℃. Adjust the temperature to up/down (5) Use hot wind gun to heat up the edges of top/bottom side uniformly (Notice: temperature: 130℃, Air Level: 3, Height: 15-30mm, Time: about 30s) Rev.
- Page 30 L2 Repair Document Communication Ltd. Heating area 15mm-30mm (6) Insert pry bar and separate battery cover and furnished frame carefully. Rev. Page 30/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 31 L2 Repair Document Communication Ltd. Disconnect finger print FPC connector with tweezers Rev. Page 31/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 32 L2 Repair Document Communication Ltd. Step3: Remove the PET deco with tweezers. Step4: Take off 13 screws with screwdriver. There are 2 kinds of screws as below (Remark: There have two box conductive rings under the screw in yellow circle). Description Part number Screw，PM（Machine）PM1.4X0.3PXL2.5，...
- Page 33 L2 Repair Document Communication Ltd. ① ② ① ③ ② ② ② ① ① ① ① ① ① ① ③ Rev. Page 33/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 34 L2 Repair Document Communication Ltd. Step5: Remove the TOP/BOTTOM speak box with tweezers. Pry up the top speaker box from here Step 6: Disconnect several FPCs connector and coaxial cable with tweezers, and then pry up the main PCBA and remove it from front casing. Audio jack FPC connector HAC FPC...
- Page 35 L2 Repair Document Communication Ltd. Rev. Page 35/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 36 L2 Repair Document Communication Ltd. Step 7: Remove the battery from front casing. There are 3 battery stickers between battery and front refer to below picture casing ( (1) Pull the battery sticker horizontally and stick it to pry bar. Rev.
- Page 37 L2 Repair Document Communication Ltd. (2) Press the battery carefully and spin pry bar slowly, then pull out the battery sticker completely. (3) Repeat these steps until all of battery stickers are pulled out, and then remove battery from front casing.
- Page 38 L2 Repair Document Communication Ltd. Or you can remove the battery by using the JIG (PN: WAA34D0QJ003). For details, please refer to the video which located in CSS web, find the video search in CSS as below. Rev. Page 38/74 VFD 900 Level 2 Repair Document All rights reserved.
- Page 39 L2 Repair Document Communication Ltd. Note: 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 for emergency. II. The battery can be re-used after disassembly if it is normal. III.
- Page 40 L2 Repair Document Communication Ltd. Step 9: Remove Sidekey FPC, HAC FPC, Audio jack FPC, volume key and power key with tweezers. Rev. Page 40/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 41 L2 Repair Document Communication Ltd. Step 10: Remove main camera and front camera by tweezers and push out camera deco with pry bar. Notice: If only replace the camera lens which has scratch or crack (not to disassemble battery cover), please put the camera lens downward and remove the shards of camera lens with tweezers carefully, then replace a new one.
- Page 42 L2 Repair Document Communication Ltd. Step 11: Disassemble complete. Remark： For details of disassembly steps, please refer to the file “Disassembly of Idol 4S” on CSS. Repair tips -> Video: Rev. Page 42/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
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Page 43: Reassembly Process
L2 Repair Document Communication Ltd. 5.4. Reassembly Process Please make reference to the disassembly process for assembly reverse an order of the disassembly steps. Jig list: description Picture WAA00002U002 Press battery cover after assembly WAA61KAU6002 paste adhesive paper jig WAA61KATG002 Back cover press adaptor Rev. - Page 44 L2 Repair Document Communication Ltd. Attention: When assembling main PCBA, make sure that main camera, front camera, sidekey FPC, HAC FPC, Audio jack FPC, front camera rubber, volume key and power key are well installed firstly; When assembling battery, make sure that sub FPC and coaxial cable are well installed firstly; ...
- Page 45 L2 Repair Document Communication Ltd. ① ② ① ③ ② ② ② ① ① ① ① ① ① ① ③ Rev. Page 45/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 46 L2 Repair Document Communication Ltd. Assemble the foam of back cover（Please refer to the method of Idol 4S） (1) Stick top box batt foam and bot box batt foam Rev. Page 46/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 47 L2 Repair Document Communication Ltd. (2) Place the battery deco foam B and battery deco foam D on the JIG (PN: WAA61K0HU002), then fix them on the positioning column. Positioning column Rev. Page 47/74 VFD 900 Level 2 Repair Document All rights reserved.
- Page 48 L2 Repair Document Communication Ltd. (3) Place the battery cover on the JIG and press it for a few seconds (4)Remove battery cover away. Rev. Page 48/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 49 L2 Repair Document Communication Ltd. (5) Place the battery deco foam A and battery deco foam C on the JIG, then fix them on the positioning column. Positioning column (6) Place the battery cover on the JIG and press it for a few seconds Rev.
- Page 50 L2 Repair Document Communication Ltd. (7) Remove battery cover away. Rev. Page 50/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
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Page 51: Disassembly Process Evaluation
L2 Repair Document Communication Ltd. Assemble the battery cover with the JIG (PN: WAA61K0TG002) for Idol 4S, (Pressure: 40KG, Time: 30s) Remark: For details of this JIG, please refer to the file “Assemble and press the battery cover of Idol 4S”... -
Page 52: Disassembly Complete
L2 Repair Document Communication Ltd. Time for Jigs for Spare part Difficulty Class Remark disassembly disassembly Hot wind gun Battery cover suction cup Class 3 Plastic Flake PET deco Tweezers Class 1 Screws Screwdriver Class 1 Top/Bottom speak box Tweezers Class 1 Tweezers Main PCBA... - Page 53 L2 Repair Document Communication Ltd. Rev. Page 53/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
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Page 54: Level 2 Repair
L2 Repair Document Communication Ltd. Please get the latest L2 SPL in Forlog system. 6 Level 2 repair This chapter describes the Level 2 repair that can be done without any diagnostic equipment. All these repairs only refer to the hardware part. In case the Level 2 repair can‟t solve the problem, or the PCBA is damaged, exchange the PCBA. -
Page 55: Power On Issue
L2 Repair Document Communication Ltd. 6.1 power on issue Power on failure Charge for 15 minutes, check whether can power on Check whether the connection Reassemble battery b e t w e e n battery a n d battery connector is good Replace it with a new Check whether battery status is good battery... -
Page 56: Charge Issue
L2 Repair Document Communication Ltd. 6.2 Charge issue Charging failure Check whether the voltage of the Replace battery battery is 0V and Charge for 15 minutes, check whether battery is good. r e p l a c e b a t t e r y C h e c k w h e t h e r b a t t e r y connector is good connector... -
Page 57: Display Issue
L2 Repair Document Communication Ltd. 6.3 Display issue Display failure Check whether the connection Reassemble LCD b e t w e e n LCD a n d LCD connector is good Reweld or replace LCD Check whether LCD connector is connector normal C h e c k w h e t h e r LCD i s... -
Page 58: Vibrator Issue
L2 Repair Document Communication Ltd. 6.4 Vibrator issue Vibrating function failure C h e c k w h e t h e r t h e c o n n e c t i o n Reweld Vibrator between Vibrator and PCBA is good Check whether Vibrator is Change Vibrator normal... -
Page 59: Touch Panel Issue
L2 Repair Document Communication Ltd. 6.5 Touch panel issue Touch function failure Check whether the connection Reassemble TP between TP and TP connector is good C h e c k w h e t h e r T P i s n o r m a l ( i n t e r c h a n g e Change TP method) -
Page 60: Sim Recognize Issue
L2 Repair Document Communication Ltd. 6.6 SIM recognize issue S I M c a r d c a n ’ t b e recognized Re-assemble or change Check whether the SIM card is SIM card good C h e c k w h e t h e r S I M c a r d Re-weld or change SIM connector is good card connector... -
Page 61: Tf Card Recognized Issue
L2 Repair Document Communication Ltd. 6.7 TF card recognized issue T F c a r d c a n ‟ t b e recognized Check whether the TF card is Change TF card good C h e c k w h e t h e r t h e T F c a r d Re-weld or change TF connector is good card connector... -
Page 62: Main Camera Issue
L2 Repair Document Communication Ltd. 6.8 Main camera issue Main camera function failure Check whether the connection Reassemble main camera between main camera and main camera connector is good Check whether main camera is Replace main camera normal C h e c k w h e t h e r m a i n c a m e r a Reweld or replace Main connector is normal camera connector... -
Page 63: Sub Camera Issue
L2 Repair Document Communication Ltd. 6.9 Sub camera issue Sub camera function failure Check whether the connection Reassemble sub camera between sub camera and sub camera connector is good Check whether sub camera is Replace sub camera normal C h e c k w h e t h e r s u b c a m e r a R e w e l d o r r e p l a c e s u b connector is normal camera connector... -
Page 64: Mic Issue
L2 Repair Document Communication Ltd. 6.10 MIC issue No sound emitting or sometimes no sound emitting/ noises were heard by other side during the call /recording function failure / Check whether the connection Reassemble or replace between main FPC and main main FPC FPC connector is good Check whether MIC is normal... -
Page 65: Speaker Issue
L2 Repair Document Communication Ltd. 6.11 Speaker issue N o r i n g i n g /play music failure o r hands free sound failure C h e c k w h e t h e r t h e c o n n e c t i o n Reassemble speaker between speaker and PCBA is good Replace speaker... -
Page 66: Usb Connector Issue
L2 Repair Document Communication Ltd. 6.12 USB connector issue Charging failure R e w e l d o r r e p l a c e USB Check whether USB connector connector is normal Check whether the connection Reassemble or replace between sub FPC and sub sub FPC FPC connector is good... -
Page 67: Other Component Exchange
L2 Repair Document Communication Ltd. software version. Send the NG PCBA with record sticker back to L3 repair center with the recommended packaging method, Note: packaging method please refer item “APPENDIX 1 Packaging Requirements”. 8 Other component exchange The other components exchange such as Antenna bracket Vibrator Speaker... - Page 68 L2 Repair Document Communication Ltd. Cosmetic aspect of the handset, The Software Technical sticker state on the Board Switch on the handset Default welcome message Press *#2886# on the idle screen to start the auto test Rev. Page 68/74 VFD 900 Level 2 Repair Document All rights reserved.
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Page 69: Appendix 1 Packaging Requirements
L2 Repair Document Communication Ltd. APPENDIX 1 Packaging Requirements Any L3 PCBA which has appearance like below cases is not acceptable. 1) The PCBA which shielding cover is rusty or distortion, copper peel off; × × × 2) Smudge on PCBA, such as soldering flux, rudimental glue, handwriting, burn, scratch and so on ; ×... - Page 70 L2 Repair Document Communication Ltd. × × × × 3) Symptom sticker, high temperature adhesive or nonstandard label on PCBA; Note: Rev. Page 70/74 VFD 900 Level 2 Repair Document All rights reserved. Transfer, copy, use or communication of this file is prohibited without authorization.
- Page 71 L2 Repair Document Communication Ltd. a. Nonstandard label means broken label, label with handwriting, dirty label, label pasted in the wrong place, etc. b. L2E label, IMEI label and PCBA label are acceptable to be kept on PCBA only under the condition that these labels are intact, clean and smoothly pasted in the right place) ×...
- Page 72 L2 Repair Document Communication Ltd. 4) PCBA with liquid or mildew. × 2. PCBA label must be retained on the PCBA. Clean and intact IMEI label should be retained on the PCBA. √ √ IMEI label PCBA label Note： Ⅰ.
- Page 73 L2 Repair Document Communication Ltd. × √ Choose box according to shipping quantity. Each slot usually put 4 or 5pcs. (4pcs for big one and 5pcs for small one). Meanwhile, use Wrinkled tape (marking the material code and qty) to distinguish the PCBA of different code.
- Page 74 SPAIN Pisco (eg.) 2AYGES1 power on If you have any question or problem, please feel free to contact us Thanks for your cooperation. TCL Communication Ltd. Global Customer Service TS Dept. May 3 , 2016 Rev. Page 74/74 VFD 900 Level 2 Repair Document...
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