Lenovo Flex 3 Service Manual

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535
1030 Hard disk drive
For	access,	remove	these	FRUs	in	order:
•	“1010	Base	cover ”	on	page	32
•	 “1020	Battery	pack”	on	page	35
Attention: 
•	 Do	 not	drop	 the	hard	 disk	drive	 or	apply	 any	physical	 shock	to	it. The hard 
disk drive is sensitive to physical shock. Improper handling can cause damage and 
permanent loss of data.
•  Before removing the drive, suggest the customer to backup all the...

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/
Flex 3-1570 (HSW)/Flex 3-1535 Hardware Maintenance Manual
Figure 3. Removal steps of hard disk drive (continued)
Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535
11
1
2
StepScrew (quantity) ColorTorque
1M2.0	×	2.5	mm,	Phillips	head,	nylok-coated	(3)	
HDD	Brkt	to	UCASE Black
2.0	kgf*cm
When installing: 	Make	sure	that	the	HDD	connector	is	attached	firmly.	 

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535
Figure 3. Removal steps of hard disk drive  (continued)
Peel	off	the	hard	disk	drive	mylar	label	in	the	direction	shown	by	arrow	 3.	
Remove	the	screws	 4	and	detach	the	metal	frame	from	the	hard	disk	drive.	
Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475
3
4
4
4
4
Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535
34
4
4
4
Step
Screw (quantity) ColorTorque
4M3.0	×	4.0	mm,	Phillips	head,	nylok-coated	(4)	
HDD...

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/
Flex 3-1570 (HSW)/Flex 3-1535 Hardware Maintenance Manual
1040 PCI Express Mini Card for wireless LAN
For	access,	remove	these	FRUs	in	order:
•	“1010	Base	cover ”	on	page	32
•	 “1020	Battery	pack”	on	page	35
Figure 4. Removal steps of PCI Express Mini Card for wireless LAN
Disconnect	 the	two	 wireless	 LAN	cables	 (black,	 white)	
1,	
and	 then	 remove	 the	
screw	 2.
2
11
In	
step	
1,
	 unplug	 the	jacks 	by 	using	 the	removal	 tool...

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535
Figure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued) 	
Remove	the	card	in	the	direction	shown	by	arrow	 3.
3
When installing:
•	
In	 models	 with	a	wireless	 LAN	card	 that	has	two	antenna	 connectors,	 plug	
the	 black	 cable	 (1st)	(MAIN)	 into	the	jack	 labeled	 MAIN,	and	 the	white	 cable	
(2nd)	(AUX)	into	the	jack	labeled	 AUX	on	the	card.	
•	 In	 models	 with	a	wireless	 LAN...

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/
Flex 3-1570 (HSW)/Flex 3-1535 Hardware Maintenance Manual
1050 DIMM
For	access,	remove	these	FRUs	in	order:	
•	“1010	Base	cover ”	on	page	32
•	 “1020	Battery	pack”	on	page	35
Figure 5. Removal steps of DIMM 
Release 	the	 two	latches	 on	both 	edges	 of	the	 socket	 at	the	 same	 time	in	 the 	
directions	 shown	by	arrows	
1,	
and	 then	 unplug	 the	DIMM	 in	the	 direction 	
shown	by	arrow	 2.
11
2
When installing:
	Insert	 the	notched...

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535
1060 IO board
For	access,	remove	these	FRUs	in	order:	
•	“1010	Base	cover ”	on	page	32
•	 “1020	Battery	pack”	on	page	35
Figure 6. Removal steps of IO board
Detach	 the	LED	 board	 connector	 in	the	 directions	 shown	by	arrows	
1	
and	
2.	
Remove	the	screw	 3.
123
Step
Screw (quantity) ColorTorque
3M2.0	×	4.0	mm,	Phillips	head,	nylok-coated	(1)		
IO	to	Hinge	to	U	case	(Flex	3-1470/	
Flex	3-1470	(HSW)/Flex...

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/
Flex 3-1570 (HSW)/Flex 3-1535 Hardware Maintenance Manual
1070 Speakers
For	access,	remove	these	FRUs	in	order:
•	“1010	Base	cover ”	on	page	32
•	 “1020	Battery	pack”	on	page	35
Figure 7. Removal steps of speakers
Detach	the	connector	in	the	direction	shown	by	arrow	 1.
1
Remove	the	speakers	in	the	direction	shown	by	arrows	
2.
2
2
When installing:
	Make	sure	that	the	connector	is	attached	firmly. 

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535
1080 Fan assembly and Heat Sink assembly
For	access,	remove	these	FRUs	in	order:
•	“1010	Base	cover ”	on	page	32
•	 “1020	Battery	pack”	on	page	35
Figure 8. Removal steps of fan assembly and heat sink assembly
Unplug	 the	fan	connector	 in	the	 direction	 shown	by	arrow	
1.	
Loosen	 the	five	
screws 	
2 .	Release	the	cables	from	the	cable	guides	
3.	
22222
1
33 

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Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475/Flex 3-1570/
Flex 3-1570 (HSW)/Flex 3-1535 Hardware Maintenance Manual
Figure 8. Removal steps of fan assembly and heat sink assembly (continu\
ed)
Remove	the	Fan	and	Heat	Sink	in	the	direction	shown	by	arrow	4.
4
When installing:
•	
Route	 the	antenna	 cables	along	the	cable	 guides.	 As	you	 route	 the	cables,	
make	 sure	that	they	 are	not	subjected	 to	any	 tension.	 Tension	could	cause	
the	cables	to	be	damaged	by	the	cable	guides,	or	a	wire...