Lenovo Moto G8 Installation and operating manual

Moto G8
Lenovo Moto G8
Level 2 –Service and Repair Manual

Lenovo Moto G8
Level 2 –Service and Repair Manual
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REVISION HISTORY
Revision
Date
Notes
1
01/16/2020
Initial Release.

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Level 2 –Service and Repair Manual
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TABLE OF CONTENTS
Revision History.................................................................................................................................. 2
List of Tables....................................................................................................................................... 6
Table of Figures.................................................................................................................................. 6
Safety Information .............................................................................................................................. 7
Cautions and Warnings.......................................................................................................................7
Battery Safety Guidelines.................................................................................................................... 7
Introduction......................................................................................................................................... 8
External Views.....................................................................................................................................8
Main Exploded Views........................................................................................................................ 10
Disassembly and Recovery............................................................................................................. 13
Disassembly and Recovery Map.......................................................................................................13
Tools Required for Disassembly.......................................................................................................14
SIM Tray Removal ............................................................................................................................ 16
Water Detection Label Inspection.....................................................................................................17
IMEI Label Removal.......................................................................................................................... 18
Battery Cover Removal.....................................................................................................................19
Battery Cover Adhesive Removal..................................................................................................... 21
Insulating Tape Removal ..................................................................................................................22
PCB Bracket Removal ......................................................................................................................23
Rear-Facing Camera Lens Removal ................................................................................................24
Water Detection Label Inspection.....................................................................................................25
Finger Print Sensor Removal............................................................................................................26
Rear-Facing Camera Removal .........................................................................................................27
TOF Sensor Grommet Removal .......................................................................................................28
Main PCB Removal........................................................................................................................... 29
Front-Facing Camera Removal.........................................................................................................31
Headset Jack Grommet Removal..................................................................................................... 32
Finger Print Sensor Foam Removal.................................................................................................. 33
Main PCB Copper Foil Removal....................................................................................................... 34
Proximity Sensor Board Removal.....................................................................................................35
Proximity Sensor Grommet Removal................................................................................................36
Receiver Removal............................................................................................................................. 37
Side Key Flex Removal..................................................................................................................... 38
Speaker Box Removal ...................................................................................................................... 39
Water Detection Label Inspection.....................................................................................................40
Coax Cable Removal........................................................................................................................ 41
Sub Board Removal.......................................................................................................................... 42

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USB Grommet Removal.................................................................................................................... 43
Vibrator Removal ..............................................................................................................................44
Battery Removal................................................................................................................................ 45
Main Flex Removal ........................................................................................................................... 47
Side Key Grommet Removal.............................................................................................................48
Sim Tray Silica Gel Sheet Removal.................................................................................................. 49
Parts Refresh..................................................................................................................................... 50
Tools Required for Parts Refresh .....................................................................................................50
Battery Cover Cleaning.....................................................................................................................51
PCB Bracket Cleaning ......................................................................................................................52
Main PCB Cleaning........................................................................................................................... 53
Front-Housing Thermal Gel Cleaning...............................................................................................54
Front Housing Cleaning ....................................................................................................................55
Assembly........................................................................................................................................... 56
Assembly Map................................................................................................................................... 56
Tools Required for Assembly............................................................................................................57
Sim Pin Hole Grommet Assembly.....................................................................................................58
Water Detection Label Assembly......................................................................................................59
Front-Housing Insulating Tape Assembly.........................................................................................60
Side Key Grommet Assembly...........................................................................................................61
Side Key FPC Assembly................................................................................................................... 62
Proximity Sensor Board Adhesive Assembly....................................................................................63
Proximity Sensor Board Assembly....................................................................................................64
Thermal Gel Assembly...................................................................................................................... 65
Main PCB Conductive Copper Foil Assembly................................................................................... 71
Headset Jack Grommet Assembly....................................................................................................72
Water Detection Label Assembly......................................................................................................73
Front-Facing Camera Assembly .......................................................................................................74
Front-Facing Conductive Copper Foil Assembly ..............................................................................75
Main PCB Assembly ......................................................................................................................... 76
Receiver Assembly ........................................................................................................................... 77
Vibrator Assembly............................................................................................................................. 78
USB Grommet Assembly..................................................................................................................79
Water Detection Label Assembly......................................................................................................80
Sub Board Assembly.........................................................................................................................81
Coax Cable Assembly....................................................................................................................... 82
Link Flex Assembly...........................................................................................................................84
Battery Assembly..............................................................................................................................85
Speaker Box Assembly.....................................................................................................................87

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Rear-Facing Camera Assembly........................................................................................................88
Front-Facing Camera Copper Foil Assembly.................................................................................... 90
TOF Grommet Assembly ..................................................................................................................91
Rear-Facing Camera Grommet Assembly........................................................................................92
Finger Print Sensor Assembly...........................................................................................................93
Insulating Tape Assembly.................................................................................................................94
PCB Bracket Assembly..................................................................................................................... 95
Rear-Facing Camera Lens Assembly............................................................................................... 96
Finger Print Sensor Foam Assembly................................................................................................97
Insulating Tape Assembly.................................................................................................................98
Battery Cover Graphite Assembly..................................................................................................... 99
FPS Assembly.................................................................................................................................100
Battery Cover Assembly.................................................................................................................. 101
IMEI Label Assembly ......................................................................................................................102
Sim Tray Assembly.........................................................................................................................103

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LIST OF TABLES
Table 1. External Views Parts List........................................................................................................9
Table 2. Assembly Exploded View Parts List.....................................................................................10
TABLE OF FIGURES
Figure 1. External Views.......................................................................................................................8
9BFigure 2. Assembly Exploded View....................................................................................................10

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SAFETY INFORMATION
Cautions and Warnings
Electrostatic Discharge
The phone components may be damaged by electrostatic discharge (ESD). Always use an ESD mat and ground strap
when working with internal components.
Battery Safety Guidelines
Handle Battery with care. Ensure Battery edges and surfaces are not dented or deformed. If the Battery Pack is dropped
to the floor, it may be internally damaged and must be scrapped.
Ensure all surfaces, fixtures, and phone components contacting the Battery are smooth and clean.
Ensure Battery and its insulation are not damaged (e.g. scratched, dented, punctured) prior to and throughout assembly.
Prior to assembly, ensure Battery edges and surfaces are not dented or deformed, and that fixtures and parts that will
contact the Battery are free of foreign material.
Ensure screws and screwdrivers do not contact the Battery.
Failure to adhere to Safety Critical Note(s) may increase risk of rupture, burning, or failure to function safely when used
by the customer.

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INTRODUCTION
External Views
Figure 1. External Views

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Table 1. External Views Parts List
Reference #
Description
1
SIM Door
2
Front housing
3
Main Lens
4
Front Facing Camera
5
Receiver Mesh
6
Sensor
7
Headset Jack
8
USB Port
9
Speaker Mesh
10
Power Key
11
Volume Key
12
Camera Lens
13
Camera Ring
14
Flash Lens
15
FPS Bezel
16
FPS
17
Battery Cover

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Main Exploded Views
9BFigure 2. Assembly Exploded View
Table 2. Assembly Exploded View Parts List
Reference #
Description
Recovery Part
1
HSG,FRNT,RAV BR LDA L5 Kit WHT JR
HSG,FRNT,RAV BR LDA L5 Kit BLU JR
RAV Display ASSY LDA L5 KIT AR/IN WHT JR
RAV Display ASSY LDA L5 KIT AR/IN BLU JR
Yes
2
XT2045-1 Main Board 4+64G DS CS
XT2045-1 Main Board 4+64G SS CS
XT2045-2 Main Board 4+64G DS CS
XT2045-6 Main Board 4+64G DS CS
ASSY,BD KIT,RAV BR 4+64 MB
Yes
3
HQ21405100000+Rubber_Black_Earphone_DGJR
Yes
4
HQ21405107000+Rubber_Black_Rear camera8M
Yes
5
HQ21405111000+Rubber_BLK_Light Distance
No
6
HQ22231931000+Insulating tape_DS
No
7
HQ22231978000+Insulating tape
No

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Reference #
Description
Recovery Part
8
HQ22211720000+Double-sided adhesive_DS
No
9
HQ21910058000+conductive copper foil_DS
No
10
ACCY,BAT,BATTERY,4000mAh,KG40;ATL446574;
No
11
HQ21910057000+conductive copper foil_DS
No
12
ASSY,DTR BRD,RAV BR PSensor PCBA
Yes
13
HQ21810404000+PCB bracket DGJR
HQ21810402000+PCB bracket_Camera deco
Yes
14
HQ20321112000+Receiver plate spring
No
15
MDL,CAMR,8M,sofia;front8M;F4H7YCJ;Q Tech
Yes
16
MDL,CAMR,2M,sofia;after2M;L02AA30;Ofilm
Yes
17
MDL,CAMR,16M,sofia;after16M;F16E10AF;Q T
Yes
18
MDL,CAMR,8M,F4H7YCC
Yes
19
HQ22261518000+Battery cover graphit_ZYTS
No
20
HQ20746477000+Battery cover blue DGJR
HQ20746474000+Battery cover white DGJR
HSG,BAT CVR,RAV BR BAT CVR KIT BE JR
HSG,BAT CVR,RAV BR BAT CVR KIT WH JR
Yes
21
HQ23800024000+Dual SIM tray_HL
HQ23800025000+Dual SIM tray_Blue_NCVM_HL
HQ23800019000+Single SIM tray_T-Flash_HL
HQ23800026000+Single SIM tray_T-FLASH_HL
Yes
22
HQ22261516000+Flake graphite_ZYTS
No
23
HQ21212634000+Single camera lens_BLK_ZB
Yes
24
HQ21212637000+Double camera lens_BLK_ZB
HQ21212676000+Double_camera_lens_ZB
Yes
25
FINGERPRT SCANNER,RAV R,Neue Blue,FPC152
FINGERPRT SCANNER,RAV R,white,FPC1520,O-
Yes
26
HQ20330637000+Speaker Box1712_DS
Yes
27
HQ22002899000+Side key_FPC
No
28
HQ20401162000+Motor_12.3x4.6x3.7_AH
No
29
HQ21405110000+Rubber_Side key_DGJR
No
30
HQ21300324000+Coaxial cable
Yes
31
HQ21405102000+Rubber_Black_TOF_DGJR
Yes
32
HQ22231933000+Insulating tape_DS
No
33
HQ21405101000+Rubber_BLK_Sim pin hole
No
34
HQ21405106000+Rubber_Black_USB_DGJR
Yes
35
HQ22002898000+ZQL1883ALTA_FPC
No
36
XT2045-1 Sub Board CS
ASSY,DTR BRD,RAV BR KB PCBA
Yes

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Reference #
Description
Recovery Part
37
HQ21910063000+Conductive copper foil
No
38
HQ22110563000+screw
No
39
HQ22110564000+screw
No
-
HQ60460003000+Waterproof Label
No
-
RAV Cam Deco PSA_B&HQ22211819000CSS
No
-
Sofia R ThermGel_5CC&715000511131 CSS
-
-
IMEI LABEL REV2
No
-
HQ22202564000+Conductive foam_DS
No
-
RAV FPS adhesive&HQ22211773000 CSS
No
-
RAV Cam adhesive_R&HQ22211729000CSS
No
-
RAV Cam adhesive_L&HQ22211728000CSS
No
-
RAV Batt adhesive2&HQ22211775000 CSS
No
-
RAV Batt adhesive1&HQ22211774000 CSS
No

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DISASSEMBLY AND RECOVERY
Disassembly and Recovery Map
*Shaded parts may be eligible for parts recovery.

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Tools Required for Disassembly
The following tools are required to disassemble the Moto G8 phone.
Description
Part #
Picture/Drawing
3 mm Allen Wrench
--
Hot Plate
--
Thin Plastic Spudger
0-00-00-40826
SIM/SD Tray Removal Tool
--
Black Stick
--
Torque Driver
--

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Description
Part #
Picture/Drawing
Shim
4-00-5L-10000
Torx Bit
--
Stick
--
Plastic Tweezers
--
--
ESD Mat
--
--
Wrist Strap
--
--
Gloves
--
--

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SIM Tray Removal
NOTE
The SIM Tray can be recovered and
reused after removal.
1. Power off the device before beginning with the
procedure. Use the SIM Tray Removal pin to
push into the SIM Tray hole.
2. Press the SIM Tray removal tool to make it pop-
out as shown.
3. Use fingers to take out the SIM Tray.

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Water Detection Label Inspection
NOTE
If the Water Detection Label (WDL) has been
activated, the phone’s warranty no longer applies.
1. Inspect the WDL inside the SIM Tray Slot for
signs of activation. Use external light if needed.
2. Inspect the WDL inside the Headset Jack for
signs of activation. Use external light if needed.

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IMEI Label Removal
NOTE
Remove the IMEI Label only if
necessary. After you remove it, you
cannot reuse it.
Use the Plastic Tweezer to remove the IMEI Label
from the SIM tray.

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Battery Cover Removal
NOTE
The Battery Cover can be recovered
and reused after removal if it is
undamaged.
1. Use the stick to press the edge of the Battery
Cover from the Front-Housing as shown.
// CAUTION //
Only press the Battery Cover with the Stick and do
not touch the USB Connector to avoid damaging
the phone.
2. Use the Stick to press the edge of the Battery
Cover from the Front-Housing as shown.

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3. Use the Stick to press the edge of the Battery
Cover from the Front-Housing on the points as
shown.
//CAUTION//
Please make sure not to slide the Stick in the
gaps.
4. Use the Plastic Tweezer to remove the Battery
Cover Graphite as shown.
5. Use the pointed end of the Black Stick to push
out the Finger Print Sensor Flex from the Battery
Cover as shown.
/// WARNING ///
Use care not to disconnect the Fingerprint
Sensor (FPS) Flex from the Battery Cover when
removing the Front Housing.