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K102 ERA HD Service Manual 

 

 

 

 

 

 

 

CONFIDENTIAL 

18.02.2016 

 

V1.0 

     

1.  INTRODUCE 

 
The purpose of this document is to help Service Centre workshop technicians to carry out service to pro18ducts. 
This Service Manual content of it is confidential. 

 

Please keep in mind also that this documentation is continuously being updated and modified, so watch always 
out for the newest version. 
 

Warnings and cautions 
 

Please refer to the phone’s user guide for instructions relating to operation, care and maintenance including 
important safety information. Note also the following: 
 

Warnings 
 

 

1.  Service  Centre  must  be  taken  on  installation  in  vehicles  fitted  with  electronic  engine  management 

systems  and  anti

–skid  braking  systems  (ABS).  Under  certain  fault  conditions,  emitted  RF  energy 

can  affect  their  operation.  If  necessary,  consult  the  vehicle  dealer/manufacturer  to  determine  the 
immunity of vehicle electronic systems to RF energy. 

 
2.  The  hand  portable  telephone  must  not  be  operated  in  areas  likely  to  contain  potentially  explosive 

atmospheres, EG petrol stations (service stations), blasting areas etc. 

 
3. Operation of any radio transmitting equipment, including cellular telephones,  may interfere  with the 

functionality of inadequately protected medical devices. Consult a physician or the manufacturer of 
the  medical  device  if  you  have  any  questions.  Other  electronic  equipment  may  also  be  subject  to 
interference. 

 

Cautions 
 

         1. Servicing and alignment must be undertaken by qualified personnel only. 

2. Ensure all work is carried out at an anti

–static workstation and that an anti–static wrist strap is worn. 

3. Use only approved components as specified in the parts list. 
4. Ensure all components, modules screws and insulators are correctly re

–fitted after servicing and 

alignment. 

5. Ensure all cables and wires are repositioned correctly. 

 
 
 
 
 
 
 
 
 

Summary of Contents for K102 ERA HD

Page 1: ...ICE MANUAL K102 ERA HD Phone Features Band GSM 900 1800MHz WCDMA 2100MHz Display 5 0 HD 720 1280 Camera 8 0MP AF Back Camera with flash 5 0MP Front Camera Operating System Android 5 1 Memory 8GB ROM 1G RAM Connections Wi Fi BT GPS OTG Battery Capacity Lithium Ion 2500mAh ...

Page 2: ...tents Page 1 INTRODUCE 3 2 ESD PROTECTION 4 3 EXPLODED VIEW 5 4 PCBA MAINBOARD COMPONENTS 6 6 SERVICE DEVICES 7 7 SOFTWARE UPDATE 8 8 DISASSEMBLY INSTRUCTIONS 9 9 NETWORK AND CALL FUNCTION TEST 12 10 FUNCTION TEST MODE 13 Change History Status Version Date Remarks V1 0 2016 02 18 ...

Page 3: ...consult the vehicle dealer manufacturer to determine the immunity of vehicle electronic systems to RF energy 2 The hand portable telephone must not be operated in areas likely to contain potentially explosive atmospheres EG petrol stations service stations blasting areas etc 3 Operation of any radio transmitting equipment including cellular telephones may interfere with the functionality of inadeq...

Page 4: ...t is otherwise ready for use To replace the covers ESD protection must be applied All electronic parts of the product are susceptible to ESD Resistors too can be damaged by static electricity discharge All ESD sensitive parts must be packed in metallized protective bags during shipping and handling outside any ESD Protected Area EPA Every repair action involving opening the product or handling the...

Page 5: ...nual CONFIDENTIAL 18 02 2016 V1 0 3 EXPLODED VIEW Back Cover Receiver Switch on key FPC 3in 1 LCM MODUL Battery RF Antenna Mainboard PCBA Back Camera BT WIFI GPS Sub PCBA RF CABLE Front camera Volume Key FPC Vibrator Speaker Main FPC ...

Page 6: ...2 2016 V1 0 4 PCBA MAINBOARD COMPONENTS Flash LED Power on Key FPC RF IC Backlight IC Flash IC SIDE KEY FPC LCD FPC CONNECTER CPU SC7731 FPC CONNECTOR Charging IC TFLASH Slot SIM CARD SLOT Front Camera Slot Back Camera Slot WIFI BT GPS IC RF PA GPS BT WIFI ...

Page 7: ...PAGE 7 13 K102 ERA HD Service Manual CONFIDENTIAL 18 02 2016 V1 0 5 SERVICE DEVICES Micro USB cable Phillips Screwdriver Tweezers ESD Disassemble Stick Disassemble Piece ESD soldering station ...

Page 8: ... Manual CONFIDENTIAL 18 02 2016 V1 0 6 SOFTWARE UPDATE Driver SPRD_NPI_USBDriver_1 4 Download tool UPGRADEDOWNLOAD_R2 9 9015 IMEI write tool WriteIMEI_R3 0 0001 Micro USB Cable Please keep the battery enough power Service Software ...

Page 9: ...tweezers Disassemble Piece and Disassemble Stick Retrieve card pin Electric soldering iron 3 Remove SIM tray 4 Unscrew the 2 screws of two sides as shown 5 Use Disassemble Piece Slide between the housing Cautions Disassemble the housing don t touch antenna FPC 6 Use the Electric soldering iron to open the Battery lead and open the Power VOL Key FPC ...

Page 10: ...ntenna by screwdriver 8 Remove the RF cable 9 Open the FPC connectors Speaker Vibrator remove the PCAB USB 10 Remove Power key FPC and VOL key FPC 11 Unscrew the 3teenth screws as shown and remove the Main antenna Housing 12 Unscrew the 4teenth screws as shown and remove the PCBA MB ...

Page 11: ...11 13 K102 ERA HD Service Manual CONFIDENTIAL 18 02 2016 V1 0 13 Remove the Battery 14 Remove the Back Front camera from the MB and remove the Receiver from the Front cover disassembly procedure is complete ...

Page 12: ...IM card has been opened o Long press the power button to switch on the mobile phone o Check whether the signal of the network is in good order o Dial a fixed telephone number o Check the quality of network through the calling o If there have any problem about the network or the quality of calling please send the phone to repair in our factory o End the test both of the network and call ...

Page 13: ...PAGE 13 13 K102 ERA HD Service Manual CONFIDENTIAL 18 02 2016 V1 0 9 FUNCTION TEST MODE power on 5 press 5 to go to function test mode function check END ...

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