Sony BDP-BX57 / BDP-S570 Service Manual ▷ View online
9-2
BDP-BX57/S570
Main Flowchart
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
No
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
Power ON by power switch on front or remote control.
Has system reset (PU_XRST) been cancelled? Measurement point JL1122
To Video section flowchart
To IFcon section flowchart
Start (and return from each flowchart)
Approximately 10 seconds after the AC is applied, the WAIT display flashes several times and the power is turned OFF automatically.
Are the power supply voltages on the MB board normal?
To Power Supply (System) flowchart.
END
Replace the MB board.
To Drive flowchart BU Adjustment Flow [yy] ~ After BU/MB Replacement ~
To Drive flowchart
To FL/FR board flowchart
Check the parts and mounting around X401.
Replace the MB board.
To Drive flowchart BU Adjustment Flow [yy] ~ After BU/MB Replacement ~
Is OPEN or CLOSE displayed on the fluorescent tube?
Is there any problem in the FFC connection to CN2470 which connects the drives?
To FR board flowchart
Is XMB or the SETUP screen displayed on the video output screen?
Do the up, down, left, and right arrow keys of the remote control permit operations on the XMB?
Is the main clock (X401) oscillating properly at 27 MHz?
Check the flexible cable of the drive. Are CN2470,CN2462 or CN1401 disconnected?
Check the connections of the connectors. If there is no improvement, replace the MB board.
To Drive flowchart BU Adjustment Flow [yy] ~ After BU/MB Replacement ~
SYS ERR display appears on fluorescent tube.
To Drive flowchart
Is the sound reproduced properly when a BD, DVD, or other disc is played?
To Audio section flowchart
Is the picture reproduced properly when a BD, DVD, or other disc is played?
To Video section flowchart
Are BD, DVD, or other discs that are loaded on the drive recognized correctly?
BDP-BX57/S570
9-3
Pow
er
(Sy
st
em
) F
low
AC
IN
C
hec
k t
he
out
pu
t v
olt
ages
fro
m t
he
pow
er
supply
blo
ck
.
CN
301
pin
1:
+12V
(U
N
SW
12V)
CN
301
pin
2:
+12V
(F
E_U
N
SW
12V)
CN
301
pin
6:
+5.
8V
(F
E_U
N
SW
6VA)
CN
301
pin
7,
8,
9:
+5.
8V
(U
N
SW
6V)
CN
301
pin
10:
-6V(
UN
SW
-6V)
N
o
Yes
C
hec
k t
he
fus
es
H
av
e
any
of
the
below
fus
es
blow
n?
N
o
M
B
board:
PS301,
PS302
, PS303,
PS304,
PS802 FR
board:
PS701
Yes
C
hec
k
the
follow
ing
pow
er
c
ont
rol
s
ignals
while
the
pow
er
is
ON
PC
O
NT
_C
OR
E:
M
B
board
R
327
PC
O
NT
2:
M
B
board
R
318
PC
O
NT
3:
M
B
board
R
305,
R
307,
R
306,
R
309,
R
343,
R
329
AT
A_PC
ON
T: M
B
board
R
376
N
o
Yes
C
hec
k t
he
volt
age
s
bas
ed
on
the
sc
hem
at
ic
diagram
N
o
Volt
age
line
s t
ha
t are
no
t out
pu
t are
short
ed
to
GN
D
N
o
Failure
of
pow
er
supply
IC
->
R
epla
ce
the
IC
R
eplac
e
the
M
B
board
if t
here
is
no
C
he
ck
tha
t t
he
harness
ha
s
been
ins
ert
ed
properly
. If t
here
is
no
problem
, replac
e t
he
pow
er
supply
bloc
k.
Re
pla
ce
bl
ow
n
fu
se
s
Re
pla
ce
th
e
MB
boar
d
if
th
ere
is
n
o
imp
ro
ve
m
en
t
To
IF
con
se
ct
ion
Flow
IF
co
n S
ecti
on
F
lo
w C
ha
rt(1/
2)
IF
co
n b
lo
ck
p
owe
r s
upp
ly
c
hec
k
U
N
SW
3.3
V
vo
ltage
(+
3.3
V)
Is
3.
3V
out
pu
t fr
om
IC301
pi
n4
?
N
o
Input
vo
ltag
e
Is
+
5.
8V
inpu
t t
o I
C301
pi
n5
?
N
o
Is
the
fu
se
(P
S301)
b
lo
wn
?
N
o
To P
ow
er
S
upp
ly (
Syst
em
) f
low
char
t
Y
es
Ye
s
Yes
Repl
ace PS
301
If s
ym
pto
m
s do
not
im
prove,
c
hec
k f
or
a
shor
t on
the
ci
rcu
it
boar
d
RE
G c
ont
ro
l vo
ltag
e
Is
+
5.
8V
inpu
t t
o I
C301
pi
n1
?
N
o
Rep
lac
e I
C30
1
Y
es
Rep
la
ce
R30
2
If
sym
pto
m
s do
not
im
prove
, rep
la
ce
IC30
1
P_
FA
IL
d
etecti
on
o
pe
rati
on
c
hec
k
Check
the
P
_F
AI
L vol
tag
e
N
o
N
o
Is +
3.
3V
out
put
fr
om
IC1504
pi
n2
?
Y
es
M
ai
n
un
it
ke
y
ch
ec
k
Check
of
k
ey
vol
tage
fro
m
m
ai
n un
it K
ey
Ta
bl
e (
*)
w
hen
k
ey
is pr
es
se
d or
n
ot
pre
sse
d
N
o
N
o
POW
ER:
C
N
1509
p
in5(J
L156
9)
KE
Y0
ST
OP
:
C
N
1509
p
in2(J
L153
1)
KE
Y1
OPE
N/CLOS
E:
C
N
1509
p
in4(J
L153
3)
KE
Y2
PL
AY
:
C
N
1509
p
in3(JL153
2)
KE
Y3
Y
es
Re
m
ot
e co
nt
ro
l op
er
ati
on
ch
ec
k
Check
the
w
avef
or
m
w
hen
the
rem
ote
cont
rol
bu
tton
is not
press
ed
N
o
Chec
k w
het
her
the
F
FC i
s di
sconnect
ed
from
CN
150
4
. (
Ot
her
than
the
PO
W
ER key
)
N
o
Check
of
the
3
.3
V v
ol
tag
e
C
N
15
04
pi
n13
an
d
IC1503
pi
n2
4
Is
there
a
prob
le
m
w
ith
the
RB
1503
m
ount
ing
cond
iti
on
?
Y
es
Check
of
the
w
avef
or
m
w
hen
the
key
is
pre
sse
d
In
co
m
par
ison
w
ith
a
nor
m
al
w
av
ef
or
m
, i
s
th
e w
av
ef
or
m
of
the
vo
ltage
out
put
tl
?
N
o
Is t
he
rem
ot
e c
ont
rol
that
is used
in t
he
inspect
ion
broken
?
N
o
Does
rep
lace
m
ent
o
f t
he
FR
b
oa
rd
re
su
lt i
n
im
prov
em
ent
?
N
o
Yes
Chec
k w
het
her
the
F
FC i
s di
sconnect
ed
from
CN
150
4
. (
Ot
her
than
the
PO
W
ER k
ey
)
Yes
Rep
la
ce
R1564
and
c
heck
for
+
3.3
V at
I
C
150
4 pi
n1
If
sym
pto
m
s
do
not
im
prov
e,
rep
la
ce
IC1504
(P
_F
AIL
d
et
ec
tio
n)
Is t
he
F
FC f
rom
CN
150
9
di
sconnect
ed?
(Ot
her
than
the
PO
W
ER k
ey
)
Is t
he
h
arnes
s f
ro
m
CN
150
9
di
sconnect
ed?
(P
O
W
ER key
)
Is
the
SW
P-
001
harnes
s f
ro
m
the
po
wer
supp
ly di
sc
onne
ct
ed?
(P
O
W
ER k
ey
)
Is
there
a
prob
le
m
w
ith
the
m
ount
ing
cond
iti
on
of
RB
150
2
o
r
15
01
?
Is
ther
e a
prob
le
m
w
ith
the
m
ount
ing
cond
iti
on
of
C1513
, 1514
, 1515
or
151
6
?
*
Ke
y
Ta
bl
e
In
pu
t
(K
EY
0)
(K
EY
1)
2.
90
-
0.
00
-
Ke
y_
OF
F
『P
OW
ER
』
Ke
y_
OF
F
『S
TOP
』
『OP
EN
/C
LOSE
』
(K
EY
2)
(K
EY
3)
Ke
y_
OF
F
Ke
y_
OF
F
『P
LAY
』
A
B
To
FR
boar
d F
lo
w
BDP-BX57/S570
9-4
IF
co
n
Se
ct
io
n Fl
ow
C
ha
rt(2
/2
)
Ch
ec
k
of
IF
co
n
res
et
in
pu
t p
or
t
Is
th
e
vo
lta
ge
o
f
IC15
03
p
in
6
"H"(3.
3V
)?
N
o
Is
ther
e
a
pro
bl
em
wi
th
th
e
m
ou
nt
in
g
con
di
tio
n
of
R15
12
, C15
08
o
r R15
15
?
Ye
s
Y
es
Pc
on
t o
utp
ut
po
rt
ch
ec
k
Che
ck
o
f eac
h
po
we
r s
up
pl
y
co
nt
ro
l po
rt
whe
n
th
e
po
we
r i
s
O
N
* C
or
re
spondi
ng
o
utp
ut
IC15
03
p
in2
0
PC
O
N
T3
IC15
03
p
in
3
0
PC
O
N
T_
C
O
R
E
IC15
03
p
in3
1
PC
O
N
T4
IC15
03
p
in2
1
PC
O
N
T2
IC15
03
p
in3
3
AT
A_
PC
O
N
T
SW
3.
3V
and
S
AT
A_
1.
2V
A
o
ut
pu
t
C
O
R
E_
1.
1V
o
ut
pu
t
DDR2
_1
.8
V
sy
st
em
ou
tp
ut
D
C
SW
5V
FE_
SW
5V
N
o
C
he
ck
fo
r s
hor
ts
at
eac
h
por
t
N
o
All
th
e
po
rts
go
"H
" w
ith
in
2
to
1
0
ms
, b
ut
so
on
g
o
"L
"
N
o
D
o
th
e
sy
mp
to
ms
im
pr
ov
e
af
te
r che
ck
in
g
th
e
so
lde
rin
g
an
d
pa
tte
rn
o
f
IC1
50
3
?
N
o
Po
w
er
s
upp
ly
o
utp
ut
ch
ec
k
C
he
ck
th
e
ou
tp
ut
o
f t
he
c
or
re
spo
nd
in
g
vo
lta
ge
SW
3.
3V
Sh
or
t c
irc
ui
t o
per
at
io
n
ch
ec
k
N
o
To
P
ow
er
Supp
ly
(S
ys
te
m)
fl
ow
cha
rt
N
o
W
he
n
IC15
03
p
in2
0
PC
O
N
T3
ha
s
gon
e
"H
",
is
th
e
SW
3.
3V
v
ol
tag
e
ou
tp
ut
?
Ye
s
Re
pl
ac
e
IC15
03
or
re
pl
ac
e
th
e
M
B
boa
rd
Y
es
Ch
ec
k
SY
S_
RS
T
sig
na
l o
ut
pu
t
Is
IC15
03
p
in
35
"H"(3.
3V
)?
Th
e
mo
un
tin
g
con
di
tio
n
of
R11
17
an
d
R
11
56
ar
e
O
K
N
o
Re
pl
ac
e
IC1
50
3
an
d
th
e
M
B
boa
rd
Y
es
Ch
ec
k
th
e
co
m
m
un
ic
ati
on
w
ith
th
e
ho
st
CPU
(SY
SC
O
N_
RE
Q
s
ig
na
l c
hec
k)
Do
c
yc
lica
l "
H"
an
d
"L"
c
omm
un
ica
tion
wa
ve
fo
rms
come
to
IC15
03
p
in
36
?
N
o
Is
ther
e
a
pro
bl
em
wi
th
th
e
m
ou
nt
in
g
con
di
to
n
of
R15
58
or
R15
62
?
N
o
D
o
th
e
sy
mp
to
ms
im
pr
ov
e
af
te
r re
pl
ac
in
g
IC1
01
?
N
o
Y
es
Ch
ec
k
th
e
co
m
m
un
ic
ati
on
w
ith
th
e
ho
st
CPU
(Se
ria
l c
om
m
uni
ca
tio
n
si
gn
al
c
he
ck
)
Do
c
yc
lica
l "
H"
an
d
"L"
c
omm
un
ica
tion
wa
ve
fo
rms
come
to
IC15
03
p
in2
5,
2
6
an
d
27
?
N
o
Is
ther
e
a
pro
bl
em
w
ith
th
e
mou
nt
in
g
con
di
to
n
of
R
B150
3,
R15
43
, R15
46
, R11
31
,
R11
32
, o
r R11
33
?
N
o
R
ep
la
ce
IC
15
03
o
r re
pl
ac
e
th
e
M
B
bo
ar
d
Is
th
e
vo
ltag
e
at
th
e
"H
" l
ev
el
(3
.3
V)
?
1.
2VA
o
ut
pu
t
C
O
R
E_
1.
1V
o
ut
pu
t
DDR2
_1
.8
V
ou
tp
ut
D
C
SW
5V
FE_
SW
5V
A
B
BDP-BX57/S570
9-5
Y
es
Y
es
Y
es
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