Lenovo Moto Z4 Installation and operating manual

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Lenovo Moto Z4
Lenovo Moto Z4
Level 2 – Service and Repair Manual

Lenovo Moto Z4
Level 2 – Service and Repair Manual
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REVISION HISTORY
Revision
Date
Notes
1
05/09/2019
Initial release.

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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
Soldering Safety Guidelines...........................................................................................................................................7
Introduction...................................................................................................................................................................8
External Views ..............................................................................................................................................................8
Exploded Views...........................................................................................................................................................10
Disassembly and Recovery ........................................................................................................................................13
Disassembly and Recovery Map..................................................................................................................................13
Tools Required for Disassembly ..................................................................................................................................14
SIM/SD Tray Removal .................................................................................................................................................16
IMEI Label Removal.....................................................................................................................................................17
SIM/SD Tray Water Detection Label (WDL) Inspection..................................................................................................18
Display Removal .........................................................................................................................................................19
Display Foil Cushion Removal......................................................................................................................................29
Proximity Sensor Grommet Removal ...........................................................................................................................31
Side-Key Flex Foam Removal ......................................................................................................................................33
WDL Inspection...........................................................................................................................................................36
Fingerprint Sensor (FPS) Removal ...............................................................................................................................37
Battery Cable Cover Removal ......................................................................................................................................39
Foil Cushion Removal..................................................................................................................................................40
Coax Cable Cover Removal..........................................................................................................................................41
Copper Foil Heat Spreader Removal ............................................................................................................................42
Thermal Pad Removal .................................................................................................................................................43
Audio Bracket Removal ...............................................................................................................................................45
WDL Inspection...........................................................................................................................................................47
Top Carrier Removal ...................................................................................................................................................48
Top Carrier Tape Removal...........................................................................................................................................50
Rear-Facing Imager Removal ......................................................................................................................................52
Main PCB Support Foam Removal ............................................................................................................................... 57
Earpiece Speaker Gasket Removal ..............................................................................................................................60
PCB Coax Cable Removal ............................................................................................................................................61
Headset Jack Grommet Removal.................................................................................................................................62
USB Grommet Removal............................................................................................................................................... 63

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Rear-Facing Imager Foam Removal.............................................................................................................................69
Battery Removal..........................................................................................................................................................70
Battery Pad Removal...................................................................................................................................................72
Coax Cable Removal ...................................................................................................................................................73
Rear-Facing Imager Lens Removal..............................................................................................................................76
Flash Lens Removal ....................................................................................................................................................78
Flash PCB Removal .....................................................................................................................................................80
Parts Refresh ..............................................................................................................................................................86
Tools Required for Parts Refresh .................................................................................................................................86
Assembly.....................................................................................................................................................................94
Assembly Map ............................................................................................................................................................94
Tools Required for Assembly.......................................................................................................................................95
Rear Inlay Assembly....................................................................................................................................................97
Rear Inlay Assembly: Manual Method........................................................................................................................101
Rear Housing WDL Assembly ....................................................................................................................................104
Flash Lens Assembly.................................................................................................................................................105
Rear-Facing Imager Lens Assembly ..........................................................................................................................107
Flash PCB Assembly..................................................................................................................................................109
Rear-Facing Imager Foam Assembly .........................................................................................................................111
Front-Facing Flash Grommet Assembly .....................................................................................................................112
Vibrator Assembly .....................................................................................................................................................114
Main PCB WDL Assembly ..........................................................................................................................................117
Headset Jack Grommet Assembly .............................................................................................................................121
USB Grommet Assembly ...........................................................................................................................................122
PCB Coax Cable Assembly ........................................................................................................................................123
Earpiece Speaker Gasket Assembly...........................................................................................................................125
Front-Facing Imager Assembly..................................................................................................................................126
Thermal Pad Assembly..............................................................................................................................................127
Copper Foil Heat Spreader Assembly.........................................................................................................................129
Main PCB Assembly ..................................................................................................................................................132
Coax Cable Assembly................................................................................................................................................134
Battery Pad Assembly ...............................................................................................................................................136
Battery Assembly ......................................................................................................................................................137
Side-Key Flex Foam Assembly ..................................................................................................................................140
FPS Assembly ...........................................................................................................................................................142
Battery Cable Cover Assembly...................................................................................................................................145
Coax Cable Cover Assembly ......................................................................................................................................146
Microphone Bracket Assembly ..................................................................................................................................147
Audio Bracket Assembly............................................................................................................................................ 149

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Top Carrier WDL Assembly........................................................................................................................................152
Proximity Sensor Assembly .......................................................................................................................................153
Top Carrier Tape Assembly .......................................................................................................................................155
Top Carrier Assembly................................................................................................................................................157
Front-Facing Imager Grommet Assembly ..................................................................................................................158
Battery Graphite Assembly ........................................................................................................................................159
Display Assembly......................................................................................................................................................165
IMEI Label Assembly .................................................................................................................................................170
SIM/SD Tray Assembly ..............................................................................................................................................171

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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
459BFigure 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.
Soldering Safety Guidelines
Handle the Soldering Iron with care. Staff engaged in soldering tasks not involving BGA components must be trained
and work in accordance with the requirements of IPC-A-610 and IPC-7711, and work in accordance with J-STD-001.
Ensure that the components used for electrical repair meet the following requirements:
Solder paste is tin- and lead-free.
Solder wire is lead-free.
Flux, whether liquid or gel, is No Clean RMA flux.

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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/SD Tray
2
Secondary Microphone
3
Top Carrier
4
Speaker Mesh
5
Display
6
Volume Keys
7
Power Key
8
Rear-Facing Imager Lens
9
Rear-Facing Imager
10
Flash Lens
11
MOD Contacts
12
Primary Microphone
13
USB Port

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Exploded Views
459BFigure 2. Assembly Exploded View
Table 2. Assembly Exploded View Parts List
Reference #
Description
Recovery Part
1
Stingray FRU TP LCM ASSY
YES
2
ACCY,BAT,ACCY, BAT,3600mAh, KZ40, ATL426
NO
3
Stingray FRU MB NA 4+128G SS
Stingray FRU MB NA VZW 4+128G SS
YES
4
Stingray FRU FLASH SUB Board
YES
5
Stingray RearCVR FLSHGRY Etching NA
Stingray RearCVR FLSHGRY Etching VZW
Stingray RearCVR WHT Etching VZW
Stingray FRU RearCVR FLSHGRY
Stingray FRU RearCVR WHITE
YES
6
HSG,REAR,STINGRAY,HSG_INLAY_ FOLES_BLACK
LENS,OTHR,INLAY FOLES BLK AG VZW
HSG_INLAY_ FOLES_WHITE,AG,VZW
YES
7
MDL,CAMR,0.8um
YES
8
MDL,CAMR,24M,CMOS-MIPI,O-film
YES
9
VIBR,LIN,R4xH3.25,0.205KHz,Vibrator,R4xH
NO
10
Stingray P Sensor OP1 FPCA,15.56x10.44mm
NO
11
AU,SPKR,TBD,8OHM,BX,1.5W at 8OHM,800Hz,9
YES
12
HSG,SIM,STINGRAY,ASSY_SNGL_SIM_TRAY_ BLA
ASSY_SNGL SIM TRAY_ OLES_WHITE
YES
13
LENS,MN,STINGRAY,CAMERA_LENS_ FOLES_BLAC
YES
14
LENS,FLSH,STINGRAY,FLSH LENS_FOLES
YES
15
MDL,FNGRPRT,Shelby2,FOD,Goodix9518,Qtech
YES
13 627 5
4
34
32 15
21
11
24
23 38
8
716 37 39
22
20
2
19 1
40
41
12
10
14
26
3
31 17
25
35 36
30
18
9
28
29

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Reference #
Description
Recovery Part
16
HDW,SCR,STL,Screw_ M1.4x0.30x2.50mm_Plum
HDW,SCR,STL,Screw,M1.4X2.8,Plum
NO
17
HDW,BRKT,STINGRAY,MET,FOLES Headphone SK
NO
18
HDW,BRKT,STINGRAY,MET,ASS_FOLES Mic1 BRK
NO
19
DICUT,PSA,PSA,DIECUT_FOLES_TP_PSA
NO
20
BATTERY_GASKET,FOLES
NO
21
CBL,COAX,500mohm,STINGRAY,FOLES_Sub Coax
YES
22
DICUT,ADHS,ADHS,DIECUT_FOLES_BATTERY_ADH
NO
23
CBL,COAX,500mohm,STINGRAY,FOLES_Main Coax
YES
24
CABLE_LINE_GASKET,FOLES
NO
25
HTSK,HT SPRD,HT,FOLES-HEAT_SPREAD_BATTER
NO
26
DICUT,FOAM,FROM,DIECUT_FOLES_RH_MAIN_CAM
NO
27
DICUT,PSA,PSA,DIECUT_FOLES_INLAY_PSA
NO
28
DICUT,ADHS,ADHS,DIECUT_FOLES_MAIN_LENS_A
NO
29
DICUT,ADHS,ADHS,DIECUT_FOLES_FLASH_ADHES
NO
30
DICUT,ADHS,PET,DIECUT_FOLES_COND_FOAM_OL
NO
31
GROM,CUST,STINGRAY,SILC,FOLES_TYPE_C_GRO
YES
32
GROM,CUST,STINGRAY,SILC,FOLES_HEADPHONE_
NO
34
DICUT,FOAM,GSKT,DIECUT_FOLES_FRONT_REC_G
NO
35
SHLD,CVR,STINGRAY,MET,FOLES_CABLE_FRAME
YES
36
SHLD,CVR,STINGRAY,MET,FOLES_BTB_CONN_FRA
YES
37
IP52_GASKET,FOLES
NO
38
GROM,CUST,STINGRAY,SILC,FOLES_FF CAMR GR
YES
39
DICUT,COND CLTH,CTH,DIECUT_FOLES_ANT_CON
NO
40
DICUT,FOAM,GSKT,DIECUT_FOLES_PCB_SPK_GAS
NO
41
HTSK,HT SPRD,HT,FOLES-HEAT_SPREAD_CAMERA
NO
--
GROM,CUST,STINGRAY,SILC,FOLES_MODS GROM
FOLES_MODS GROMMET_WHITE
YES
--
DIECUT_FOLES_MAIN_CAM_GASKET
NO
--
GROM,CUST,STINGRAY,SILC,FOLES_PSENSOR GR
YES
--
THRM,COND,THRM,FOLES-THERMAL_COPPER_CPU
NO
--
THRM,COND,THRM,FOLES-THERMAL_GREASE_PMU
NO
--
HTSK,HT SPRD,HT,FOLES-HEAT_SPREAD_CPU
NO
--
DICUT,COND FM,FOIL,DIECUT_FOLES_ANT_COPP
NO

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Reference #
Description
Recovery Part
--
DICUT,COND FM,FOIL,DIECUT_FOLES_ANT_COPP
NO
--
DICUT,COND FM,FOIL,DIECUT_FOLES-THERMAL_
NO
--
DICUT,FOAM,GSKT,DIECUT_FOLES_CABLE_GASKE
NO
--
DICUT,FOAM,MYL,DIECUT_FOLES_CONNECTOR_MY
NO
--
DICUT,FOAM,GSKT,DIECUT_FOLES_CONDUTIVE_G
NO
--
LBL,IMEI,GHOST
NO
--
LBL,WATER, DETECT, 3M 5559, 0.127T, VZ
NO
--
FOLES_OLED_COND_FOAM
NO
--
FOLES_SOCKET_COPPER
NO
--
FOLES_MODS_MYLAR
NO
--
DIECUT_FOLES_JTAG_MYLAR
NO
--
DICUT,ADHS,PET,FOLES_LIGHT_GUIDE_FILM
NO
--
FOLES_PCB_SUPPORT_FOAM2
NO
*Refer to this table as a reference to parts listed in the Assembly section.

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DISASSEMBLY AND RECOVERY
Disassembly and Recovery Map
SIM/SD Tray
Display
Main PCB
Top Carrier
Proximity
Sensor
IMEI Label
Display Foil
Cushion
Foil Cushion
Fingerpr int
Sensor (FPS)
WDL
Inspection
Battery
Graphi te
WDL
Inspection
Audio
Bracket
Microphone
Bracket
Thermal Pad
Copper Foil
Heat
Spreader
Display Film
Coax Cable
Cover
Top Carrier
Tape
Proximity
Sensor
Grommet
Front-Facing
Imager
Grommet
Black Tape
Battery Cable
Cover
Rear-Facing
Imager
Front
Housing
Main PCB
Graphite
Heat
Spreader
Headset Jack
Grommet
Earpiece
Speaker
Gasket
JTAG
Connector
Vi bra tor
Foam
Small Copper
Foil Heat
Spreader
Front-Facing
Imager
Copper Block
Ma in P CB
Support Foam
Vibrator
PCB Coax
Cable
USB
Grommet
Rear-Facing
Imager Foam
Battery
Batte ry Pad
Flash PCBFlash Lens
Rear-Facing
Imager Lens
Rear
Housing
Foam
Grommet
Rear Inlay
Front-Facing
Flash
Grommet
Coax Cable
*Shaded parts may be eligible for parts recovery.

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Tools Required for Disassembly
The following tools are required to disassemble the Lenovo Moto Z4 phone.
Description
Part #
Picture / Drawing
7″ x 7″ Hot Plate --
SIM/SD Tray Removal Tool 4-00-U2-10000
Blackstick --
T3 Torx Bit --
Torque Driver (Adjustable) --
Shim 4-00-5L-10000
Thin Plastic Spudger 0-00-00-40826
Moto 8th Generation Display Removal Fixture MR-M2-003

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Description
Part #
Picture / Drawing
Moto 7th Generation Display Removal Fixture MR-M2-001
Inlay Removal Insert MR-M2-001-043
Lens Adhesive Heating Plate 3-00-X1-10000
Metal Shim Tool (Optional) --
LCD Screen Opening Pliers (Optional) IP0092-160315
Tweezers (Plastic or Plastic-Tipped) --
Tweezers (Metal) --
ESD Mat and Wrist Strap
--
--
Gloves or Finger Collets
--
--

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SIM/SD Tray Removal
NOTE
The SIM/SD Tray can be recovered
and reused after removal.
1. Insert the SIM/SD Tray Removal Tool
(4-00-U2-10000) into the SIM/SD Tray
hole.
2. Push the SIM/SD Tray Removal Tool into
the SIM/SD Tray hole until the SIM/SD
Tray ejects from the phone.
3. Remove the SIM/SD Tray from the phone.

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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 Tweezers to peel the IMEI Label from the
SIM/SD Tray.

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SIM/SD Tray Water Detection Label (WDL) Inspection
NOTE
If the WDL is activated, the phone’s warranty no
longer applies.
Inspect the WDL in the SIM/SD Tray Slot as
shown. Examine it for signs of activation.

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Display Removal
Preheating for Display Removal
NOTE
The Display can be recovered and
reused after removal if it is
undamaged.
Remove the Display Liner, if present.
NOTE
Display Removal Methods A and B have the
same preheating steps, as shown below.
1. Place the Lens Adhesive Heating Plate (3-
00-X1-10000) on the Hot Plate.
2. Set the Hot Plate to 80 °C (176 °F).
// CAUTION //
Do not set the Hot Plate temperature higher than
80 °C (176 °F). Damage to the phone may
occur.
NOTE
Preheating with an oven is also acceptable if the
oven is set to the same temperature.

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Display Removal Method A
3. Place the phone in the Heating Plate, with
the Display side down.
4. Wait 10 minutes for the Display adhesive to
warm up.
5. Remove the phone from the Heating Plate
or the oven.
// CAUTION //
Wear protective gloves when handling heated
phones.
NOTE
Perform the Display removal procedure before
the phone starts to cool off.
1. Use your fingers to slide the phone into the
Moto 8th Generation Display Removal Fixture
as shown.
NOTE
Begin this step after removal from the Hot Plate or
oven, before the phone starts to cool off.
2. Slide the phone into the Display/Inlay
Removal Fixture in the orientation shown.
Center the phone in the Fixture.
3. Use your fingers to slide the rail into the
SIM/SD Card Slot and guide holes to lock the
phone into place.