Lenovo Yoga 3 Service Manual

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About this manual
Safety notices: multilingual translations
The  safety  notices  in  this  section  are  provided  in  English,  French,  German, 
Hebrew, Italian, Japanese, and Spanish. 
Safety notice 1 
Before	the	computer	 is	powered	 on	after	 FRU	 replacement,	 make	sure	all	screws,	
springs, 	and 	other 	small 	parts 	are 	in 	place 	and 	are 	not 	left 	loose 	inside 	the	
computer. 	Verify 	this 	by 	shaking 	the 	computer 	and 	listening 	for 	rattling 	sounds.	
Metallic	parts	or	metal	flakes...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
Safety notice 2 
 DANGER
Some	standby 	batteries 	contain 	a 	small 	amount 	of 	nickel 	and 	cadmium. 	Do 	not	
disassemble 	a 	standby 	battery, 	recharge 	it, 	throw 	it 	into 	fire 	or 	water, 	or 	short-
circuit 	it. 	Dispose 	of 	the 	battery 	as 	required 	by 	local 	ordinances 	or 	regulations.	
Use	 only	 the	battery	 in	the	 appropriate	 parts	listing.	 Use	of	an	 incorrect	 battery	can	
result	in	ignition	or	explosion	of	the	battery....

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Safety notice 3
 DANGER
The	battery 	pack 	contains 	small 	amounts 	of 	nickel. 	Do 	not 	disassemble 	it, 	throw	
it	 into	 fire	or	water,	 or	short-circuit	 it.	Dispose	 of	the	 battery	 pack	as	required	 by	
local	 ordinances	 or	regulations.	 Use	only	 the	battery	 in	the	 appropriate	 parts	listing	
when	 replacing	 the	battery	 pack.	Use	of	an	 incorrect	 battery	can	result	 in	ignition	
or	explosion	of	the	battery.	
La 	batterie 	contient 	du 	nickel. 	Ne 	la 	démontez 	pas,...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
Safety notice 4
 DANGER
The	lithium 	battery 	can 	cause 	a 	fire, 	an 	explosion, 	or 	a 	severe 	burn. 	Do 	not	
recharge 	it, 	remove 	its 	polarized 	connector, 	disassemble 	it, 	heat 	it 	above 	100°C	
(212°F),	 incinerate	 it,	or	 expose	 its	cell	 contents	 to	water.	 Dispose	 of	the	 battery	 as	
required	 by	local	 ordinances	 or	regulations.	 Use	only	 the	battery	 in	the	 appropriate	
parts	 listing.	 Use	of	an	 incorrect	 battery	can...

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Safety notice 5
If	the 	LCD 	breaks 	and 	the 	fluid 	from 	inside 	the 	LCD 	gets 	into 	your 	eyes 	or 	on 	your	
hands, 	immediately 	wash 	the 	affected 	areas 	with 	water 	at 	least 	for 	15 	minutes.	
Seek	medical	care	if	any	symptoms	caused	by	the	fluid	are	present	after	washing.
Si	 le	panneau	 d’affichage	 à	cristaux	 liquides	 se	brise	 et	que	 vous	 recevez	 dans	les	
yeux 	ou 	sur 	les 	mains 	une 	partie 	du 	fluide, 	rincez-les 	abondamment 	pendant 	au	
moins	 quinze...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
Safety notice 6
 DANGER
To	avoid	 shock,	 do	not	 remove	 the	plastic	 cover	that	protects	 the	lower	 part	of	the	
inverter	card.
Afin 	d’éviter 	tout 	risque 	de 	choc 	électrique, 	ne 	retirez 	pas 	le 	cache 	en 	plastique	
protégeant	la	partie	inférieure	de	la	carte	d’alimentation.
Aus 	Sicherheitsgründen 	die 	Kunststoffabdeckung, 	die 	den 	unteren 	Teil 	der	
Spannungswandlerplatine	umgibt,	nicht	entfernen.
Per	 evitare 	scosse	 elettriche,...

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Safety notice 8
 DANGER
Before	removing 	any 	FRU, 	turn 	off 	the 	computer, 	unplug 	all 	power 	cords 	from	
electrical 	outlets, 	remove 	the 	battery 	pack, 	and 	then 	disconnect 	any 	interconnecting	
cables.
Avant	 de	retirer	 une	unité	 remplaçable	en	 clientèle,	mettez	 le	système	 hors	tension,	
débranchez	 tous	les	cordons	 d’alimentation	 des	socles	 de	prise	 de	courant,	 retirez	
la	batterie	et	déconnectez	tous	les	cordons	d’interface.
Die 	Stromzufuhr 	muß...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: 
• “Strategy for replacing FRUs” on page 16
–  “Strategy for replacing a hard disk drive” on page 17
–  “Important notice for replacing a system board” on page 17
•  “Important information about replacing RoHS compliant FRUs” on page 18
Important:
BIOS	and	device	driver	fixes	are	customer-installable.	 The	BIOS	and	device	
drivers	are	posted	on	the...

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Important service information
Use  the  following  strategy  to  prevent  unnecessary  expense  for  replacing  and 
servicing FRUs:
• If you are instructed to replace an FRU, but the replacement does not solve 
the problem, reinstall the original FRU before you continue.
•  Some  computers  have  both  a  processor  board  and  a  system  board.  If  you 
are instructed to replace either of them, and replacing one of them does not 
solve the problem, reinstall that board, and then replace the other...

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Lenovo YOGA 3 Pro-1370 Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
R o H S ,   T h e   R e s t r i c t i o n   o f   H a z a r d o u s   S u b s t a n c e s   i n   E l e c t r i c a l   a n d 
Electronic  Equipment  Directive  (2002/95/EC)  is  a  European  Union  legal 
requirement affecting the global electronics industry. RoHS requirements 
must  be  implemented  on  Lenovo  products  placed  on  the  market  after 
June  2006.  Products  on  the  market...