Lenovo Flex 5 User Guide

Lenovo ideapad
FLEX 5-1470 
Lenovo ideapad
FLEX 5-1570
Hardware 
Maintenance 
Manual  

Notes:
•	Before	using	this	information	and	the	product	it	supports,	be	sure	to	read	the	general	information	under	“Notices”	on	page	77.
•	
This	manual	applies	to	the	following	models:	Lenovo	ideapad	FLEX	5-1470/Lenovo	ideapad	FLEX	5-1570.	The	illustrations	used	in	this	manual	are	for	Lenovo	ideapad	FLEX	5-1470	unless	otherwise	stated.
First Edition (March 2017)
© Copyright Lenovo 2017. All rights reserved.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General 
Services...

iii
Contents
About this manual .......................................iv
Safety information
 ........................................1
General safety ................................................2
Electrical safety ..............................................3
Safety inspection guide ..................................5
Handling devices that are sensitive to 
electrostatic discharge
 ....................................6
Grounding requirements .................................6
Safety notices:...

iv
About this manual
This manual contains service and reference information for the following\
 
Lenovo products:Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570
Use this manual to troubleshoot problems.
The manual is divided into the following sections:
• The common sections provide general information, guidelines, and safety 
information required for servicing computers.
• The product-specific section includes service, reference, and product-specific 
parts information.
Important:
This	manual	is...

1
Safety information
Safety information
This chapter presents the following safety information that you need to get 
familiar with before you service a Lenovo ideapad FLEX 5-1470/Lenovo ideapad  
FLEX 5-1570 computer:
• “General safety” on page 2
• “Electrical safety” on page 3
• “Safety inspection guide ” on page 5
• “Handling devices that are sensitive to electrostatic discharge ” on page 6
• “Grounding requirements” on page 6
• “Safety notices: multilingual translations ” on page 7
• “Laser compliance...

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Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 
Hardware Maintenance Manual
General safety
Follow these rules below to ensure general safety:
• Observe a good housekeeping in the area where the machines are put 
during and after the maintenance.
• When lifting any heavy object: 
1. Make sure that you can stand safely without slipping.
2. Distribute the weight of the object equally between your feet.
3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift it.
4. Lift it...

3
Safety information
Electrical safety
Observe the following rules when working on electrical equipments.
Important:
Use	only	approved	tools	and	test	equipments.	Some	hand	tools	have	handles	covered	with	a	soft	material	that	does	not	insulate	you	when	working	with	live	electrical	currents.
Ma

ny
	cust
 omers
	have	rubber	floor	ma
 ts
	nea
 r
	the
 ir
	ma
 chines
	tha
 t
	cont
 ain
	sma
 ll
	conductive	fibers	to	decrease	electrostatic	discharges.	Do	not	use	such	kind	of	mat	to	protect	yourself	from...

4
Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 
Hardware Maintenance Manual
• Always look carefully for possible hazards in your work area. Examples of 
these hazards are moist floors, nongrounded power extension cables, power 
surges, and missing safety grounds. 
• Do not touch live electrical circuits with the reflective surface of a plastic 
dental mirror. The surface is conductive; such touching can cause personal 
injury and machine damage.
• Do not service the following parts with the...

5
Safety information
Safety inspection guide
The purpose of this inspection guide is to assist you in identifying pot\
ential 
unsafe conditions. As each machine was designed and built, required safety 
items were installed to protect users and service personnel from injury. This 
guide addresses only those items. You should use good judgment to identify 
potential safety hazards according to the attachment of non-Lenovo features or 
options not covered by this inspection guide.
If any unsafe conditions...

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Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 
Hardware Maintenance Manual
Handling devices that are sensitive to electrostatic discharge
Any computer part containing transistors or integrated circuits (ICs) should be 
considered sensitive to electrostatic discharge (ESD). ESD damage can occur 
when there is a difference in charge between objects. Protect against ESD 
damage by equalizing the charge so that the machine, the part, the work mat, 
and the person handling the part are all at the...