Sony BDP-BX18 / BDP-S185 / BDP-S186 Service Manual ▷ View online
9-7
BDP-BX18/S185/S186
Rem
ote control does not o
perate
Check of +3.3V voltage at IC710 pin1?
No
(M
B board)
No
To Power supply flow chart
Y
es
No
Ch
e
ck
FFC disconnected from
CN701 or broken?
Y
es
To IFcon section f
low
chart
Check of appearance waveform during
pressing remote control at IC703 pin2
No
Y
es
Check of +3.3V voltage at CN1002 pin 3?
Check of +3.3V voltage at CN701 pin 2?
No
Replace FFC
If symptoms do not improve,
Change FR board
Check of appearance waveform during
pressing remote control at CN1002
pin3 (MB board)
Y
es
Y
es
Change IF Board
No
Ch
ec
k
of appearance waveform
during pressing remote control
at CN701 pin3
No
Replace IC1002
If symptoms do not improve,
Change IF board
Check pattern along SIRCS line
If symptom do not improve,
Change IF board
Ch
ec
k
FFC disconnected from
CN701 or broken?
No
Reconnect
FFC
If symptoms do not improve,
Change FFC
Y
es
Y
es
Change FR Board
Y
es
Check pattern around IC710
If symptom do not improve,
Change IF board
W
hi
te LED
does not lig
ht
Yes
Is there v
ol
tage of
about 3.3V voltage at
Base Q720?
No
Yes
Check +5V voltage at CN1002 pin9?
No
Yes
Check if FFC broken or disconnected from CN701
No
Yes
Reconnect FFC. If symptoms do not improve, replace FFC
Check of +3.3V voltage at CN701 pin1?
No
Yes
Yes
Yes
Replace IF
Board.
No
Chech IC101 AA5
Check
pattern around C
N
10
02
of
M
B
Board.
If symptoms do not improve, replace MB board.
9-8
BDP-BX18/S185/S186
Check +5V voltage at CN701 pin9?
Check if FFC broken or disconnected from CN701
Yes
Reconnect FFC. If symptoms do not improve, replace FFC
Check of +3.3V voltage at R720?
No
Replace R720. If symptoms do not improve, replace FR board
Check polarity of D720(LED) Is reverse polarity occurs?
No
Check
pattern around D
72
0(
LE
D
),
If symptoms do not improve, change IF board.
Replace D720. If symptoms do not improve, replace IF board
Check pattern around D720(LED),If symptoms do not improves, change IF board
Replace Q720. If symptoms do not improve, replace IF board
Is there v
ol
tage of
about 3.3V voltage at
Collector Q720?
Check polarity of D720(LED) Is reverse polarity occurs?
Replace D720 If symptoms do not improve, change IF board
Yes
Yes
No
No
No
9-9
O
p
ti
cal
Bl
o
c
k Un
it
(
BU)
I
O
P
ch
eck f
lo
w
(
z
z
) ~
[
B
ef
o
r
e BU Rep
lacem
e
n
t]
O
p
ti
cal
Bl
o
ck Un
it
(
BU)
O
P
Dat
a
W
r
it
e F
lo
w
(
y
y)
~
[
A
ft
er
B
U/
M
B
Repl
aceme
n
t]
BDP-
S
185
c
a
n
play
t
h
e B
D
-d
is
c
BLX-
104
BDP-
S
185
c
a
n
play
t
h
e DV
D/
CD
-d
is
c
Ch
ec
k
Dr
iv
e P
o
w
e
r
S
u
pp
ly
CN301 P
in
3:
12V
/
IC309 P
in
1:
5V
Ch
ec
k
PS3
0
1
, PS3
0
2
Replac
e P
S
w
h
e
n
open
Ch
ec
k
/
r
eplac
e t
h
e F
F
C c
able,
t
h
en
c
h
ec
k
BDP-
S
185
oper
a
te
s
n
o
rm
all
y
OPT-001
F
F
C
c
able
(1
-838-
6
1
5
-1
1)
SPD-001
F
F
C c
abl
e (
1
-838-
617-
1
1)
Ch
ec
k
t
h
e
O
pt
ic
al
B
loc
k
Un
it
(
B
U)
by
s
e
rv
ic
e m
o
de.
(
F
low
c
har
t
zz)
B
U
IOP
i
s
OK
?
Replac
e t
h
e O
p
ti
c
a
l
B
loc
k
Un
it
(
B
U)
O
p
ti
c
a
l B
loc
k
Un
it
(
B
U)
r
e
pl
ac
e
(F
lo
w
c
h
a
rt y
y
)
OK
O
p
ti
c
a
l
B
loc
k
or
B
U
n
o
pr
oblem
DVD:
HLX-
513
CD:
HLX-
A1
NO
YES
NO
YES
YES
NO
NO
YES
NO
YES
E
n
te
r S
e
rv
ic
e
M
ode
Pr
e
s
s
<O
PEN/CLO
SE>.
, <PLAY
>,
<ST
O
P>
an
d plu
g
in
A
C
P
o
w
e
r
In
s
ide *
S
er
v
ic
e M
ode
M
enu
S
e
le
ct [8
]
D
ri
v
e
In
s
ide *
D
ri
v
e
S
e
le
ct [7
]
OP
C
h
e
c
k
M
e
n
u
In
s
ide *
O
P
Ch
ec
k
M
enu
S
elec
t
[2]
dI
O
P
t
h
en
pr
es
s
'
E
NT
E
R
'
S
pec
if
ic
at
io
n
dI
O
P
BD:
6
m
A
DVD,
CD:
9m
A
IO
P
ou
t
of
s
pec
if
ic
at
io
n
n
eed
B
U
replac
em
en
t
O
p
ti
c
a
l B
loc
k
Un
it
(
B
U)
r
eplac
e
(F
lo
wc
ha
rt
yy)
AC Po
w
e
r
OFF
NO
YES
Rem
ov
e t
h
e
def
ec
tiv
e
B
U
f
rom
Loadi
n
g
A
s
sy
a
n
d
a
lso
re
mo
ve
B
U
i
n
su
la
to
r
(4
p
cs)
Un
pac
k
n
e
w
B
U
an
d t
a
k
e
O
P
Dat
a
B
ar
c
ode ph
ot
o
by
c
am
er
a
A
sse
m
b
le
B
U
w
ith
In
su
la
to
rs
to
L
o
a
d
in
g
A
s
s
y
(
tig
h
ten
s
c
rew
w
it
h
2k
g
f)
Dec
ode t
h
e O
P
Dat
a
B
a
rc
ode ph
ot
o us
ing
BD
PRdec.exe
a
n
d
sa
ve
th
e
te
st
d
a
ta
to
U
S
B
me
mo
ry
(F
il
e
N
a
m
e
:
B
u
D
a
ta
.t
x
t)
E
n
ter
S
er
v
ic
e
M
ode an
d in
s
er
t
US
B
me
mo
ry
t
o
U
S
B
co
n
n
e
ct
o
r
S
e
le
ct [8
]
D
ri
v
e
-->
S
e
le
ct [1
]
D
ri
v
e
OP
d
a
ta
W
ri
te
Pr
e
s
s
ENT
ER
A
fte
r F
in
is
h
in
g
R
e
W
ri
te
OP
d
a
ta
-->
T
u
rn
A
C
P
o
w
e
r OF
F
A
n
d c
on
fir
m
dI
O
P
by
s
e
lec
t
[7
]
O
P
Ch
ec
k
M
e
n
u
t
o
v
e
ri
fy
I
O
P
in
s
p
e
c
if
ic
at
io
n
IO
P
in
s
p
e
c
if
ic
at
io
n
-
->
T
u
rn
A
C
P
o
w
e
r
OFF
T
u
rn
P
ow
er
O
N
an
d
c
h
ec
k
playbac
k
per
fo
rm
an
c
e
u
s
in
g
B
D
,
DV
D an
d CD
BL
X-
104
DVD:
HLX-
513
CD:
HLX-
A1
T
he
fol
lo
w
ing
cases
need
OP
Data W
ri
te:
(1) Rep
lace
BU (M
B
is
ori
g
in
al
)
(2) Rep
lace
M
B
(BU i
s
ori
g
inal
)
(3) Rep
lace
both BU and M
B
JI
G requi
rement
Di
gi
tal
camera (w
it
h
macro mode)
Barcode decoder (BDPRdec.exe)
in
s
ta
lle
d
in
jig
PC's (j
ig
purpose)
USB memory
ESD free w
o
rk
bench
l
Drive fl
owchart
-+
-+
BDP-BX18/S185/S186
Et
hernet f
low
c
hart
C
annot c
onnect
w
it
h t
he net
w
ork,
c
annot
update through the network
Is
t
he LAN
c
able plugged in properly
?
No
Plug in t
he LAN
c
able f
irm
ly
Yes
Is
t
he LED
of
t
he hub rout
er lit
?
(LI
N
K LED
)
No
Is
pow
er s
upplied t
o t
he M
B board?
No
T
o Pow
er Supply
(Sy
s
tem
) f
low
c
hart
Yes
Yes
R
eplac
e t
he M
B board.
Are t
he net
w
ork
s
et
tings
of
t
he m
enu
co
rr
e
ct?
No
M
a
ke t
he c
o
rrec
t net
w
ork
s
e
tt
ings.
Yes
R
eplac
e t
he M
B board
9-10
BDP-BX18/S185/S186
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