Chapter
1.
About
this
manual
This
manual
contains
service
and
reference
information
for
ThinkCentre
®
computer
machine
types
listed
on
the
front
cover.
It
is
intended
only
for
trained
Service
Providers
who
are
familiar
with
Lenovo
®
computer
products.
Note:
Be
sure
to
read
and
understand
the
Chapter
2,
“Safety
information,”
on
page
3
before
using
the
information
in
this
manual.
The
“Symptom-to-FRU
Index”
chapter
and
the
“Additional
service
information”
chapter
apply
to
all
ThinkCentre
computers.
This
manual
includes
a
complete
field
replaceable
unit
(FRU)
part
number
list
for
each
machine
type
listed
on
the
front
cover.
If
you
have
Internet
access,
the
FRU
part
numbers
are
also
available
at:
http://www.lenovo.com/support
Important
safety
information
Be
sure
to
read
all
caution
and
danger
statements
in
this
book
before
performing
any
of
the
instructions.
Veuillez
lire
toutes
les
consignes
de
type
DANGER
et
ATTENTION
du
présent
document
avant
d’exécuter
les
instructions.
Lesen
Sie
unbedingt
alle
Hinweise
vom
Typ
″
ACHTUNG
″
oder
″
VORSICHT
″
in
dieser
Dokumentation,
bevor
Sie
irgendwelche
Vorgänge
durchführen
Leggere
le
istruzioni
introdotte
da
ATTENZIONE
e
PERICOLO
presenti
nel
manuale
prima
di
eseguire
una
qualsiasi
delle
istruzioni
Certifique-se
de
ler
todas
as
instruções
de
cuidado
e
perigo
neste
manual
antes
de
executar
qualquer
uma
das
instruções
Es
importante
que
lea
todas
las
declaraciones
de
precaución
y
de
peligro
de
este
manual
antes
de
seguir
las
instrucciones.
©
Copyright
Lenovo
2009
1
Summary of Contents for ThinkCentre 7522
Page 1: ......
Page 2: ......
Page 3: ...ThinkCentre Hardware Maintenance Manual ...
Page 17: ...Chapter 2 Safety information 11 ...
Page 18: ...12 Hardware Maintenance Manual ...
Page 19: ... 18 kg 37 lbs 32 kg 70 5 lbs 55 kg 121 2 lbs 1 2 Chapter 2 Safety information 13 ...
Page 23: ...Chapter 2 Safety information 17 ...
Page 24: ...1 2 18 Hardware Maintenance Manual ...
Page 25: ...Chapter 2 Safety information 19 ...
Page 26: ...1 2 20 Hardware Maintenance Manual ...
Page 33: ...Chapter 2 Safety information 27 ...
Page 34: ...28 Hardware Maintenance Manual ...
Page 35: ...1 2 Chapter 2 Safety information 29 ...
Page 39: ...Chapter 2 Safety information 33 ...
Page 40: ...1 2 34 Hardware Maintenance Manual ...
Page 44: ...38 Hardware Maintenance Manual ...
Page 48: ...42 Hardware Maintenance Manual ...
Page 88: ...82 Hardware Maintenance Manual ...
Page 128: ...122 Hardware Maintenance Manual ...
Page 388: ...382 Hardware Maintenance Manual ...
Page 393: ......
Page 394: ...Part Number 53Y6319 Printed in USA 1P P N 53Y6319 ...