Sony BDP-BX38 / BDP-S280 / BDP-S380 / BDP-S383 Service Manual ▷ View online
W
hi
te LED
does not lig
ht
(BDP-BX38/380/S383 ONLY)
Is there v
ol
tage of
about 5.8V at PS1201?
Yes
Is there v
ol
tage of
about 3.3V voltage at
Base Q709?
No
Yes
No
Check +5.8V voltage at CN1204 pin16?
No
Yes
Check if FFC broken or disconnected from CN702
No
Yes
Reconnect FFC. If symptoms do not improve, replace FFC
Check of +3.3V voltage at CN702 pin10?
No
Yes
Yes
Yes
Replace IF
Board.
No
To IFCon flowchart
Check
pattern around
CN1204 o
f M
B B
oa
rd
.
If symptoms do not improve, replace MB board.
9-11
BDP-BX38/S280/S380/S383
(MB board)
Replace PS1201(MB board) If symptoms to not improve replace IF board If symptoms still do not improve, replace MB board
Check +5.8V voltage at CN702 pin7?
Yes
Check if FFC broken or disconnected from CN702
Yes
Reconnect FFC. If symptoms do not improve, replace FFC
Check of +3.3V voltage at R718?
No
Replace R718. If symptoms do not improve, replace FR board
Check polarity of D709(LED) Is reverse polarity occurs?
No
Check
pattern around
D709(LED),
If symptoms do not improve, change IF board.
Replace D709. If symptoms do not improve, replace IF board
Check pattern around D709(LED),If symptoms do not improves, change IF board
Replace Q709. If symptoms do not improve, replace IF board
Is there v
ol
tage of
about 3.3V voltage at
Collector Q709?
Check polarity of D709(LED) Is reverse polarity occurs?
Replace D709 If symptoms do not improve, change IF board
Yes
Yes
No
No
No
9-12
O
p
ti
cal
Bl
o
ck Un
it
(
BU)
I
O
P
ch
eck f
lo
w
(
z
z
) ~
[
B
ef
o
re BU Rep
lacem
e
n
t]
O
p
ti
cal
Bl
o
ck Un
it
(
BU)
O
P
Dat
a
W
ri
te F
lo
w
(
y
y)
~
[
A
ft
er
B
U/
M
B
Repl
acem
e
n
t]
BDP-
S
380
c
a
n
play
t
h
e B
D
-d
is
c
BLX-
104
BDP-
S
380
c
a
n
pl
ay
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
380
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
able (
1
-838-
617-
1
1)
Ch
ec
k
t
h
e
O
p
ti
c
a
l
B
loc
k
Un
it
(
B
U)
by
se
rvi
c
e
m
o
d
e
.
(F
lo
w
c
h
a
rt
z
z
)
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
eplac
e
(F
lo
w
c
h
a
rt y
y
)
OK
O
pt
ic
al
B
loc
k
or
B
U
n
o
pr
obl
em
DVD:
HLX-
513
CD:
HLX-
A1
NO
YES
NO
YES
YES
NO
NO
YES
NO
YES
En
te
r Se
rv
ic
e
M
o
d
e
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
elec
t [
7]
O
P
Ch
ec
k
M
enu
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:
3
m
A
DVD,
CD:
3m
A
IO
P
ou
t
of
s
p
ec
if
ic
at
io
n
n
eed
B
U
re
plac
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
(
ti
g
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
BDPRdec.exe
a
n
d
sa
ve
th
e
te
st
d
a
ta
to
U
S
B
me
mo
ry
(F
ile
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
c
to
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
ec
if
ic
a
tio
n
IO
P
in
s
p
ec
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
pl
aybac
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-BX38/S280/S380/S383
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
o
rk
s
e
tt
ings.
Yes
R
eplac
e t
he M
B board
9-13
BDP-BX38/S280/S380/S383
USB (Rear) Dev
ice Flow
USB dev
ice is not
reco
g
niz
ed
In
sert t
he USB dev
ice again
.
Is
it
recogn
iz
ed when t
h
e power
is
tu
rned OFF and t
hen ON
again
?
No
Is
5V presen
t at CN60
4
pin1(
MB-
138
board
)?
No
Is
6V present at
IC603 pin8
(MB board)
No
Power suppl
y
board
def
ectiv
e
Poor cont
act
of
t
he USB
dev
ice
Does replac
ing I
C
601(M
B
board
)
improv
e t
h
e sy
mptoms?
No
Repla
c
e t
he MB
board
Y
e
s
IC
603(M
B
board
) def
ectiv
e
9-14
BDP-BX38/S280/S380/S383
Y
e
s
Y
e
s
Repla
c
e t
he MB
board
Y
e
s
Click on the first or last page to see other BDP-BX38 / BDP-S280 / BDP-S380 / BDP-S383 service manuals if exist.