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Carlcare Technical Training
SERVICE MANUAL
V1.0
PAGE
PAGE 1 (20)
TECNO_L9_Service Manual_V1.0
SECURITY
CONFIDENTIAL
TECNO L9
Phone Features
Band：
GSM/EDGD: 900/1800 MHz
WCDMA: 2100 MHz (Compatible 900/2100)
Display：
5.5 ''HD IPS (1280*720)
Camera：
5.0MP AF Back Camera with Flashlight
8.0MP FF Front Camera with Flashlight
Operating System：
Android N
Processor：
MT6580W Octa-core 1.3GHz
Memory：
16GB ROM + 1GB RAM
Connections：
BT, WIFI, FM, G-Sensor, PS&ALS, OTG, GPS,
Fingerprint
Battery Capacity：
4000mAh
DOC NAME
RELEASE TIME
th
12
April,2017
AUTHOR
Lin Hongqiang
VERSION
V1.0
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Summary of Contents for Tecno L9
- Page 1 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 SERVICE MANUAL TECNO L9 Phone Features Band： GSM/EDGD: 900/1800 MHz WCDMA: 2100 MHz (Compatible 900/2100) Display： 5.5 ''HD IPS (1280*720) Camera： 5.0MP AF Back Camera with Flashlight 8.0MP FF Front Camera with Flashlight Operating System：...
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Page 2: Table Of Contents
PAGE DOC NAME AUTHOR PAGE 2 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 Table of contents Page INTRODUCE..............................3 ESD PROTECTION ............................4 EXPLODED VIEW ............................5 EXPLODED EXPANSION ..........................6 PCBA MAINBOARD COMPONENTS ......................7 MATERIAL BOM ............................. -
Page 3: Introduce
PAGE DOC NAME AUTHOR PAGE 3 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 1. INTRODUCE The purpose of this document is to help Carlcare Service Centre workshop technicians to carry out service to products. -
Page 4: Esd Protection
PAGE DOC NAME AUTHOR PAGE 4 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 2. ESD PROTECTION Carlcare requires that service points have sufficient ESD protection (against static electricity) when servicing the phone. Any product of which the covers are removed must be handled with ESD protection. -
Page 5: Exploded View
L9 PC black H8012 1 A V1.3 CONN 101.5mm L9 12201372 17201355 19301070 25001221 PF uphousing CAM 5M GC5024 MOT COIN BAT TECNO BL 39DT + CTP L9 gold L9 Plus FRONT ST 0827 L12 H LL 3900mAh ATL IN V1.0... -
Page 6: Exploded Expansion
L9 black 23501860 23501815 sensor glue set L9 black MIC rubber L9 Plus black 23701130 23701132 battery steel plate assembly L9 CTP Steel L9 silver 23001374 23303046 FPC Side key L9 H8012 38.1*13.39*0.93 FP PC gasket L9 V1.0... -
Page 7: Pcba Mainboard Components
PAGE DOC NAME AUTHOR PAGE 7 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 5. PCBA MAINBOARD COMPONENTS Flash driver IC CTP FPC connector (U4401) GPS LNA IC (U5001) RF PA SKY77761 EMMC (U3201) (U4001) Switching Charger... - Page 8 PAGE DOC NAME AUTHOR PAGE 8 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 Sub board FPC connector RF cable connector USB Port V1.0...
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Page 9: Material Bom
PCBA MB H8012 A1 16GB+8Gb V1.3 12102416 PCBA_SUB_H8012_1_A_V1.3_自制 PCBA SUB H8012 1 A V1.3 17201355 CAM_5M_GC5024_L9 Plus_FRONT_ST CAM 5M GC5024 L9 Plus FRONT ST 17201286 CAM_8M_3H7_X557_BACK_SUNNY CAM 8M 3H7 X557 BACK SUNNY 19301070 MOT_COIN_0827_L12_H_带导电胶_LL MOT COIN 0827 L12 H LL 19401107 SPK_1115_SPR_H3.0_铝膜_RoHS_HS... -
Page 10: Pcba Bom
PAGE DOC NAME AUTHOR PAGE 10 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 7. PCBA BOM Please get the official BOM from material team. The picture you can get from the 5.PCBA MAINBOARD COMPONENTS. SAP code Description Placement... -
Page 11: Service Devices
PAGE DOC NAME AUTHOR PAGE 11 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 8. SERVICE DEVICES Tools for upgrade Micro USB Cable Computer Battery (BT-39DT, 4000mAh) Disassemble Piece Disassemble Stick Disassemble Stick Tools for disassembly Suction Cup... -
Page 12: Software Update
PAGE DOC NAME AUTHOR PAGE 12 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 9. SOFTWARE UPDATE Service Micro USB Cable Software Driver: (MTK FT driver) SP_Drivers_v1.5, MTK WIN7 driver Please keep the battery Download tool: Efuse v3.1701.20.11 enough power IMEI write tool: SN_Write_tool_exe_v1.1516.00... -
Page 13: Disassembly Instructions
CONFIDENTIAL April,2017 V1.0 10. DISASSEMBLY INSTRUCTIONS 1. TECNO L9 disassembly. 2. Push the pin into SIM card hole gently until SIM card holder come out as shown. 3. Remove the SIM card holder. 4. Push the pin into T card hole gently until T card holder come out as shown. - Page 14 PAGE DOC NAME AUTHOR PAGE 14 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 7. Unscrew them by Torx Screwdriver. 8. Lever open the left side of Battery cover by Disassemble Stick as shown. 9.
- Page 15 PAGE DOC NAME AUTHOR PAGE 15 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 13. Suck the TP by Suction Cup and then hold the 14. Remove the Battery cover as shown. Battery cover with left hand. Pull the Suction Cup up with right hand.
- Page 16 PAGE DOC NAME AUTHOR PAGE 16 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 19. Remove the Battery. 20. Unscrew the six M1.4 screws and remove the Antenna frame as shown. 21. Unscrew the seven M1.4 screws and remove the 22.
- Page 17 PAGE DOC NAME AUTHOR PAGE 17 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 25. Remove the Vibrator from Sub board by Soldering 26. TECNO L9 disassembly procedure is complete. Iron. V1.0...
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Page 18: In 1 Screen Disassembly
AUTHOR PAGE 18 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 11. 3 IN 1 SCREEN DISASSEMBLY Attention: L9 3 in 1 screen is a non-air-gap product, Don’t try to disassemble it. V1.0... -
Page 19: Disassembly And Assembly Hints
PAGE DOC NAME AUTHOR PAGE 19 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 12. DISASSEMBLY AND ASSEMBLY HINTS 1. The two torx screws only can be unscrewed by this 2. When assembling the Battery cover, you must type of screwdriver as shown. -
Page 20: Network And Call Function Test
PAGE DOC NAME AUTHOR PAGE 20 (20) TECNO_L9_Service Manual_V1.0 Lin Hongqiang SECURITY RELEASE TIME VERSION Carlcare Technical Training CONFIDENTIAL April,2017 V1.0 13. NETWORK AND CALL FUNCTION TEST Insert a SIM card into the tested cell phone, and make sure the network function of SIM card has been opened.
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