Sony BDP-BX57 / BDP-S570 Service Manual ▷ View online
Et
hernet
flow
chart
C
annot
connect
w
ith
the
net
w
ork
, c
annot
update
the
net
w
ork
.
Is
the
LAN
c
able
plugged
in
properly
?
N
o
Plug
in
the
LAN
c
able
firm
ly
Yes
Is
the
LED
of
the
hub
rout
er
lit
?
(LI
N
K
LED
)
N
o
Is
pow
er
supplied
to
the
M
B
board?
N
o
T
o
Pow
er
Supply
(Sy
st
em
)
flow
chart
Yes
Yes
R
eplac
e
the
M
B
board.
Are
the
net
w
ork
s
et
tings
of
the
m
enu
correc
t?
N
o
M
ak
e
the
correc
t net
w
ork
s
et
tings
.
Yes
R
eplac
e
the
M
B
board
BDP-BX57/S570
9-14
U
S
B
(
Fr
on
t)
D
ev
ic
e
Flow (EXCEPT FOR BDP-S270)
U
S
B
d
ev
ic
e
is
n
ot
re
co
gni
ze
d
Inser
t t
he
U
S
B
de
vic
e
agai
n.
Is
it
recogn
iz
ed
when
the
powe
r
is
tu
rned
OF
F
and
then
O
N
again
?
N
o
Is
5
V
presen
t a
t CN37
1
pin1
(
F
R
-
30
9
boar
d)
?
N
o
Is
5
V
pres
en
t a
t
C6
13
(M
B
bo
ar
d)
?
N
o
Is
6
V
pres
en
t a
t
C601
pin
2
(M
B
boa
rd
N
o
P
owe
r
supp
ly
boar
d
de
fe
ct
iv
e
P
oo
r
co
nt
ac
t o
f t
he
U
S
B
d
ev
ic
e
D
ef
ec
tiv
e
harne
ss
b
et
wee
n
th
e
U
S
B
board
and
the
M
B
board
.
Does
repla
cing
IC
601(
M
B
board
)
im
pro
ve
the
s
ymp
toms
?
N
o
Repla
ce
the
MB
boar
d
Y
es
Repl
ac
e
the
harnes
s
be
tween
the
M
B
board
and
the
U
S
B
board
.
Do
the
s
ymp
toms
im
pro
ve
?
N
o
Repl
ac
e
the
M
B
board
.
IC
601(M
B
board
)
de
fec
tiv
e
Y
es
D
ef
ec
tiv
e
harn
es
s
be
twee
n
th
e
U
S
B
board
and
the
M
B
boar
d
BDP-BX57/S570
9-15
Y
es
Y
es
Y
es
Y
es
U
S
B
(R
ear)
D
ev
ic
e
Flo
w
U
S
B
d
ev
ic
e
is
n
ot
re
co
gni
ze
d
Ins
er
t t
he
U
S
B
de
vic
e
agai
n.
Is
it
rec
ogni
zed
when
the
powe
r is
tu
rned
O
FF
and
then
O
N
again
?
N
o
Is
5
V
pres
en
t a
t CN36
1(
U
S
B
-023
boar
d
) pin1
?
N
o
Is
5
V
pres
en
t a
t
C
61
4
(M
B
board
)?
N
o
Is
6
V
pres
en
t a
t
C
60
8
(M
B
board
)?
N
o
P
owe
r s
upp
ly
boar
d
de
fe
ct
iv
e
Y
es
Y
es
Y
es
Y
es
P
oor
c
on
ta
ct
o
f t
he
U
S
B
d
ev
ic
e
D
ef
ec
tiv
e
harn
es
s
be
twe
en
th
e
U
S
B
board
and
the
M
B
board
.
Does
repla
cing
IC
602(M
B
board
)
im
pro
ve
the
s
ymp
toms
?
N
o
Repla
ce
the
MB
boar
d
Y
es
Repl
ac
e
the
harne
ss
be
tween
the
M
B
board
and
th
e
U
S
B
boar
d.
Do
the
s
ymp
toms
im
pro
ve
?
N
o
Re
pl
ac
e
the
M
B
board
.
IC
602(M
B
board
) de
fec
tiv
e
Y
es
D
ef
ec
tiv
e
harn
es
s
be
twe
en
th
e
U
S
B
board
and
the
M
B
boar
d
BDP-BX57/S570
9-16
9-17
BDP-BX57/S570
HUB board flow chart (1/2)
(1) Does not
recognize a USB dev
ice at t
he front panel
Insert
a US
B memory device t
o t
he t
ermina
l on front
panel.
Sta
rt
t
he serv
ice mode.
Perform Diag>Wireless LAN Test
>Show WLAN HwInfo
Is "WLAN HwInfo" display
ed properly
?
Repla
ce the harness for t
he CN103.
Do t
he sy
mptoms improve?
Is 3.3 V present
at IC102 pin 4?
Is 3.3 V present
at IC102 pin 1
?
A
B
Defect
iv
e IC102.
Perform Diag>Dev
ice Test>USB H
ost
Is "Front
USB Media check" OK?
Repla
ce the harness for t
he
CN104.
Do t
he sy
mptoms improve?
Replace the FR boa
rd.
Do t
he sy
mptoms improve?
Is 5 V present
at IC105 pin 4?
Is 3.3 V present
at IC105 pin 1?
D
No defect.
Or noncompliant USB memory
device.
Defectiv
e ha
rness for t
he CN104.
Defectiv
e FR boa
rd.
Is 5.8 V pr
esent at
IC
105 pin 2?
Repla
ce the
harness for
the CN102.
Do
the sy
mptoms improve?
A
Replace HUB
boa
rd.
Do
the sy
mptoms improve?
Defectiv
e IC104.
Replace the MB boa
rd.
Then per
form
the drive a
djust
ment.
HUB boa
rd flow chart (2/2)
(2) From WLAN flow
Inser
t a
US
B memor
y device
to the termina
l on
front panel.
Sta
rt the serv
ice mode.
Perform
D
iag>Dev
ice Test> USB Host
Is "Front US
B
Media check" OK?
Replace the
harness for
the CN103.
Do
the sy
mptoms improve?
Is 3.3 V pr
esent at
IC102 pin 4?
Is 3.3 V pr
esent at
IC102 pin 1
?
E
Replace the
harness for
the CN102.
Do
the symptoms improve?
F
Replace
the WLAN module.
Do
the symptoms improve?
Replace the
harness for
the CN101.
Do
the symptoms improve?
Replace
the EM board.
Do
the sy
mptoms improve?
Replace the harness
for
CN401(E
M
board.)
Do
the sy
mptoms improve?
Is 5
V present at IC103
pin 4?
Is 3.3 V pr
esent at
IC103 pin 1?
E
Defectiv
e har
ness for t
he CN401(EM
board).
Defectiv
e IC103
Replace HUB
boa
rd.
Do
the sy
mptoms improve?
Defectiv
e IC104.
Replace
the MB boa
rd.
Then per
form
the drive a
djust
ment.
B
A
C
C
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
D
G
YES
YES
YES
NO
NO
YES
NO
NO
NO
YES
YES
YES
NO
NO
YES
E
NO
F
G
YES
NO
YES
Defectiv
e WLAN module.
NO
YES
YES
NO
Defectiv
e har
ness for t
he CN103.
Defectiv
e har
ness for t
he CN101.
Defectiv
e EM boar
d.
YES
NO
Is 5.8 V pr
esent at
IC102 pin 2
?
NO
Defectiv
e IC102.
Defectiv
e har
ness for CN102.
Defectiv
e IC105.
YES
YES
Defectiv
e har
ness for CN102.
NO
Defectiv
e ha
rness for t
he CN103.
NO
NO
YES
YES
NO
Is 5.8 V present
at IC102 pin 2
?
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