F11 Pro Service Manual V1.2

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 Content
1.Guidance
2.General Repair Information    
3.Product Overview
4.Exploded View of Phone's Structure
5.Disassembly Steps
6.Installation steps
7.Calibration
8.Post-maintenance functional test
9.Precautions

1. Guidance
1.1 Guidance Overview:
The purpose of this document is to help OPPO level1 and level 2 maintenance engineers to carry out service to OPPO products. This Service Manual is to be used only by authorized OPPO maintenance service centers, and the content shall be keep in confidential. Please note that OPPO provides also other guidance documents (e.g. Technical Service Bulletins) for maintenance service cooperative corporations, therefore, please follow these regularly and comply with the given instructions. While every endeavor has been made to ensure the accuracy of this document, some errors may exist. If you find any error or if you can offer further suggestions, please notify OPPO by using the address below: zhouyangguang@oppo.com.  Please keep in mind also that this document is continuously being updated and modified, please keep watching out for the newest version.                                                                                               
1.2. Warnings and Cautions:
Please refer to the phone's user guide for instructions relating to operation, service and maintenance including important safety information. Note the following: 
1. Service centers may be required to install the handset's vehicle-mounted system in vehicles. Under certain fault conditions, the handset's RF signals may affect the operation of the vehicles' electric power management systems and anti–skid braking systems (ABSs). If necessary, consult the dealer/manufacturer to determine the immunity of vehicle electronic systems to RF energy.
2. The handset must not be operated in areas likely to contain potentially explosive atmospheres, such as petrol stations, gas stations and blasting areas.
3. Operation of any radio transmitting equipment, including handsets, may interfere with the functionality of the medical devices protected by industrial mechanisms. Consult the manufacturer of the medical devices if necessary. Other electronic equipment may also be subject to interference.
                                                                                            
2. General Repair Information
In this section the technician will get some general hints to carry out repairs: 
Customer service personnel can download and read product documentation on:Download and read the product guide or user manual on the site: ftp://:ftp://wxfuwu@172. 16. 103. 212:919 
Before starting the repair, you must enter the ESD Protected Area and connect your wristband. Use gloves to avoid corrosion and fingerprints. Protect windows and display screens with a film to avoid dust and scratches. When cleaning the metal pads, you have to use a soft cloth/ESD brush and isopropanol solution. It is not allowed to use an eraser because it scratches the surface and will lead later on to oxidation and corrosion. Mechanical parts (except shielding covers and bent parts), which cannot be repaired in the event of a failure, can only be replaced, if they are not soldered. After removing and maintaining the shielding covers, make sure to replace them with new ones. Otherwise, the high-frequency leakage can have an influence on the device. Always use original OPPO spare parts. Check the soldering joints of the parts, which are concerned regarding the indicated error (e.g. soldered connectors or switches) and re-solder them if necessary (only repair centers that can conduct lead-free soldering). Remove redundant soldering flux after soldering. Assemble the handset with the standard screw torque (see the Introduction of the Service Manual).
Always use your own equipment for testing where you are sure that it works. For complaints about charger function, please test the handset with your own charger to be sure if the handset or charger causes the malfunction. When doing the fault log entries, always note the fault code, which caused the malfunction. The accuracy of this code will be a great help to quality improvement. Also, fill in the replaced part, if needed.
Many service documents are available on the FTP server: ftp://wxfuwu@172. 16. 103. 212:919, which will be notified via email. Please note that the documents shall be updated in time.

3. Product Overview

ParameterSpecification
ScreenScreen6.5inch 1080P TFT LCD
Operating SystemOperating SystemAndroid9.0 + ROM 6.0
CPUCPUMain frequency 2.1GHz 8 core
MemoryRAM6G
 ROM64G and 128G
CameraFront16M
 Rear48M+5M
NetworkNetwork EditionUniversal version/Asia Pacific version/Simplified Asia-pacific version
 Network ModelLTE+VOLTE
 Network TypeDual-SIM
 Support Band2G:GSM 850/900/1800/1900MHz
3G:WCDMA band 1/5/8
4G:TD-LTE bands 38/40/41
4G:FDD-LTE  bands 1/3/5/7/8/20/28
BatteryCapacity4000mAh
DataBluetoothBT4.2
WIFIWIFIWIFI Display
SensorL-sensor, G-sensor, Distance-sensor, 态E-compass, Visual Gyro Sensor
SIM CardDouble Nano SIM
T card External MemoryT card; Either-or card holder for Nano SIM card and T card;
Earphone3.5mm earphone
Adapter5V4A
USB7pin USB, support OTG
Other FeaturesSignal flashlight , support FM


4. Exploded View of Phone's Structure
4.1. Machine decomposition diagram


4.2 Exploded map corresponding material table: Note: This table is used only for the name of the annotation. It is not suitable for the preparation of materials. Please refer to the ā€œPrice list of Commonly-used Materials and Accessoriesā€ for the preparation. 
Materials that must be replaced :


5.Disassembly Steps:

CONTENTSNGraphical descriptionInstructions
Preparation1
             
   
  • Tools required: ESD wristband (ESD gloves), electric batch (crosshead), constant temperature platform, 2.5ml alcohol syringe (blue plastic head), flat plastic tweezers, low-viscosity protective film, Dust-free cloth, thimble/ejector pin, disassembling rod, disassembling sheet, thermal gel etc.

1 
  • Power-off the phone before disassembly( Method: Long press the power key for to slide off);

2. Remove the card holder; 
Disassemble the battery cover2 
  • Then put it on a constant temperature platform and place it on the heating platform with the back side facing down. Be careful not to put the camera on the platform. Heating requirements: The temperature platform parameters require 70°C-80°C and for 5-10mins

2ļ¼ŽAfter the battery cover is disassembled, the double-sided tape at the inner edge of the battery cover should be removed (there is still residual temperature). If the rubber there is difficult to remove, use the inject with alcohol to clean it. 
Disassemble the bottom cover3 
  • Use the Cross electric screwdriver to remove the bottom cover  screws for a total of 22pcs

  • Use disassemble rod removed front camera bracket ,and removed the rear camera BTB, tear off Speaker box thermal graphite sheet and Speaker BOX anti-aliasing foam

  • Wrap the head of the disassembler bar with a dust-free cloth and lift the back cover from the side corners of the rear cover. and slide the disassemble bar upwards along the long side of the cover to disassemble the back cover. Lift the lower cover from the corner of the upper side of the card holder with the disassembler bar, and slide the upper side to the straight side to disassemble the upper side buckle. Shake the back cover from side to side to remove the cover.

  • Remove the finger FPC after removed the bottom cover ,then clean the adhesive

  • Remove the  BTB frame Assembly

Precautions :Use the film to protect the camera lens after disassembly.
Disassemble the battery  4 
 
  • Open the battery BTB as shown in Figure right and pull out the easy-tore paper handle beside the battery. Inject a syringe of 0.2ml alcohol in the positions of red box;  

  • Stand the phone for 5-10S to let the alcohol penetrate under the sticker;

  • After standing, pull the handle and pull the battery slowly (Note: the battery should be pulled straight as far as possible and avoid pulling the battery vertically to cause the battery to deform). Remove the battery f to the rear slowly (Pay attention to avoid the wrinkles of the battery wrapper), and make the repair mark in the corresponding position of the battery.

Disassemble the mainboard and rear camera 5 
  • Use the electric batch to remove speaker box and mainboard 2 pcs screws.

  • Remove the FPC BTB and rear camera BTB and remove the camera.

  • Use the plastic tweezers to remove the RF wire from the slot. The clamp on the main board needs pressing to gently pull the RF line out of the clamp. The operation of taking out RF line on the antenna board is the same as that of the motherboard. (Do not directly pull the motherboard end to avoid the RF falling off)

  • Remove the mainboard , then use the disassembly bar to clean the thermal gel of the main board and the top cover.

Disassemble speaker ,C board ,U board ,RF cable ,motor ,antenna board 6 
  • Tear off the foam cushion the bottom of the battery compartment , FPC sticker and the USB FPC conductive cloth;

  • Remove the USB board ,and remove the speaker;

  • Remove FPC BTB, and remove the C board ,then remove the RF cable from Antenna board

  • Take out the antenna board from the right side carefully ,avoid damaging the antenna board ;

  • 1Remove the motor by tweezers

Disassemble the front camera and stepper motor ,receiver 7 
  • Remove the 3pcs screws of stepper motor from the bottom cover;

  • Remove the stepper motor PIN by plastic tweezers ,then removed the stepper motor;

  • Remove the front camera module ,be careful the FPC ,then clean the adhesive;

  • 4. Remove the receiver by tweezers; 


6.Installation steps:

ProcessSNPicturesOperation
Assemble front camera assembly1
  • Paste double-side tape for front camera FPC, pre-fold the FPC along the edge of the reinforcing plate;

  • Assemble the front camera module into the guide rail on the battery cover carefully;

  • Tear off the release film ,fold and paste the FPC along the edge of the reinforcing plate;

  • Insert the gearbox into the lever;

  • Install the gearbox screws (3pcs )

Assemble the light sensor2
  • Paste power key and volume key FPC to top cover assembly

  • Assemble left proximity sensor silicon case ,then assemble the left proximity sensor to top cover assembly;

  • Assemble right proximity sensor silicon case ,then assemble the right proximity sensor to top cover assembly;

Assemble receiver and antenna board3
  • Assemble two receivers;

  • Assemble the motor;

  • Assemble, the antenna board from the left side;

  • Assemble RF cable on the  antenna board end;

Assemble the speaker4
  • Buckle the main FPC on the antenna board end;

  • Assemble the speaker box from the bottom ;

  • Install the speaker box screws (1pcs);

Assemble mainboard5
  • Assemble the rear camera module;

  • Paint the thermal gel along with the red trace which shown on the screen;

  • 3,assemble the mainboard from the right ,pay attention to the slot ,

  • Install the rear camera module ,

5. Install the mainboard screw (1pcs)
Assemble FPC6
  • Assemble RF cable on the  mainboard end;  

  • Buckle BTB of touch FPC ,USB FPC ,and main FPC , then paste well to the battery compartment bottom cushion;

  • Paste FPC;

  • Paste the foam cushion on the bottom of the battery compartment;

  • Paste USB FPC conductive cloth;

Assemble battery 7
  • Paste the easy –tore film

  • Assemble the battery , and push well to the battery compartment ;

Notice: check the foreign matter in the battery compartment;
  • Assemble the BTB bracket;

  • Paste the double-side tape to fingerprint module;

  • Assemble fingerprint module and tear off the release film;

Assemble bottom cover assembly8
  • Assemble the battery module form the top;

  • Buckle the front camera BTB;

  • Assemble front camera BTB bracket;

  • Install the bottom cover screws (22pcs);

  • Paste the speaker graphite sheet ;

assemble battery cover9
  • Paste the battery cover double-side adhesive tape ,and tear off the release film;

  • Assemble the battery cover and press it tightly;

  • Insert the SIM holder; 


7.Calibration:
Calibration Path : input *#899# in the dialing interface > Aftersale calibration/ last test in the automatic test ; When the following interface pops up, take a photo with the chart. 
Note: Please align the yellow box with the edge of the chart, and then take a Photo. Then, do not operate the phone when the phone enters the computing interface until it display ā€œPassā€ with the calibration completed. 

Precautions:
1. If the phone sent to the SC is with Poor blurred effect issues in the Portrait Mode, re-calibrate the camera for the user.
2. Re-calibrate the phone for the user once the phone has been disassembled; Or the phone will be with Poor blurred effect issues;
3. If it shows ā€œFail 69ā€ during calibration, the lens is too far from the chart;
4. If it shows ā€œFail 70ā€ during calibration, the lens is not parallel to the chart;
5. If it shows ā€œFail 68ā€ during calibration, the lens is too close from the chart; 

8.Post-maintenance functional test:
After the repair is completed, first tested and identified the fault for the user. After the identification is completed, the basic functions of the mobile phone must be tested, and it can be returned to the user after passing the test. 
8.1 Visual inspection:
Check whether the mobile phone display screen is dirty or not; the mobile phone has no gaps, cracked shells, cracked keys, scratches, and whether the USB has fallen off etc.
8.2 Functional test path: 
Input *#899# in the dial interface > automatic test > function test; 
8.3 Testing requirements       

No.Test ItemTest Requirement
1Motor hall calibrateEnter motor Hall calibrate, enter the password "6776", click "Start Calibration", the front camera will rise, then click "Start Test",
2Motor testEnter the motor test and click "Start Test".
3LCD testClick on the screen to switch among red, green, blue, white, black, gray, gray scale , multicolor, and fruit colors, cables, highlights, black spots, etc.
4Vibration TestThe motor vibrates for 3 seconds,
1. Listen to the vibration noise.
2. Test whether there is no vibration or vibration weak,
If there is the situation above, it is a defective product.
5Touch screen auto testIf the interface jumps to the next test, the test is passed
6Front camera preview1. For the white interface of the camera, detect whether there are black spots, black lines or blurred screen.
2. For the black interface, check whether there are bright spots, white spots or blurred screen;
3. check if the front lift is in place
7Rear  camera Preview1. For the white interface of the camera, detect whether there are black spots, black cables or blurred screen.
2. For the black interface, check whether there are bright spots, white spots or blurred screen;
3. For the interface with words, check whether the focus is clear
8Second rear camera  Preview1. For the white interface of the camera, detect whether there are black spots, black cables or blurred screen.
2. For the black interface, check whether there are bright spots, white spots or blurred screen;
3. For the interface with words, check whether the focus is clear
9Echo test
  1. Testing main MIC: Blow the air to the MIC hole on the bottom of the phone. If the receiver (earphone)  sounds, the test is passed

  2. Testing sub MIC: Blow air to the sub MIC hole on the top of the phone. If the speaker sounds, the test is passed. Press the Back key to enter the "Confirm" dialog.

10Flashlight testCheck the function and color of the flashlight
11Flash ChargerIf the interface appears ā€œPASSā€ and the interface automatically jumps to the next test, the VOOC Flash charge test is passed.
12Headset in-out plug testInsert the earphone in the earphone plug test. If the insertion is identified, the earphone test is passed.
13Sensor self-test and calibrationPlace the mobile phone flat on the desktop, click on the first calibration item. If it shows ā€œPASSā€, and automatically jumps to the next test item, it is without failure.
14GyroscopeAfter entering the test, take the mobile phone to draw the "8" word graphic. After the test OK, PASS will be displayed, and the next test item will be automatically jumped
15M SensorShake the phone from the left to the right side in the M Sensor in the test interface. After the test passes, it will automatically jump to the next test item and the M sensor is without failure.
16Proximity sensor testUse the palm to cover the light sensor hole in the Proximity sensor test interface, and the screen will turn green from black. If the test is passed and the interface jump to the next test, the sensor is without failure.
17Keypad testPress the power Key, volume Key one by one.  If the interface automatically jumps to the next test item without malfunction (if the Key is stuck or rising), the Key is with failure.
18Finger print auto testAutomatic test OK will display PASS, automatically jump to the next test item
19Media testCheck whether there is silence, weak sound, noisy sound, broken sound. If there isn’t failure with the speaker, it is passed.
20Call testCall the SIM card operator to check the receiver. If the call is normal without noise, weak sound, the receiver is without failure.
21Aftersale calibrationPlease make the yellow frame and the chart coincide ,and take a photo ,calibrate the result , please wait a moment ,if calibrate success, will display pass ,calibrate complete  

After the above 19 test items are tested, they will prompt to the test result interface. If the test PASS, project will hit ā€œāˆšā€; if the test FAIL, project will hit ā€œĆ—ā€. Items showing "X" need to be clicked again to test, until it is displayed as shown below:


9.Precautions

ITEMDisassemble and Assemble PrecautionsFault phenomenon
1Stepper motor FPC needs to be assembled under the motorPoor camera lift
2Assembly Stepper motor can not press the solder joint positionFPC damage ļ¼Œand the motor not work
3When installing the front camera BTB, pay attention to the fact that the male and female seats are aligned and then gently buckled down.front camera not open
4Disassemble the machine to pay attention to whether the speaker foam is damaged or layered, if layered need to be replaced Speaker noise
5When disassembling the bottom cover, first remove the front BTB bracket, then remove the front camera BTB, careful Front FPC cannot bend and finally disassemble the lower cover.front camera not open
6The light guide column is affected by alcohol. Note that the light guide column can’t have large amount of alcohol.Abnormal light perception
7Do not use alcohol to wipe the front transparent cover; (When there is dirt, use only dry and clean cloth to wipe clean)Prevent cracking of the cover or failure after repair (acrylic material is not alcohol resistant)
8After disassembling the mainboard, immediately clean the thermal gel on the top cover and the mainboard, and do not scrape it onto the shrapnel or gold finger;Prevent contact failure after the shrapnel is assembled
9When assemble the front slider assembly, the front FPC pre-bending must be aligned with the silk screen and pressed with the fingertips;When there is not sticker well , the front camera will be retracted a number of times, and the FPC will not recover properly and cause the front camera assembly Stuck.
10When manually working on the thermal gel, pay attention to the path and method in the disassemble and assembly video;怀



     
 

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