Sony BDP-BX18 / BDP-S185 / BDP-S186 (serv.man2) Service Manual ▷ View online
BDP-BX18/S185/S186
Key
1
does
not
operate
Is there v
oltage of about 3.3V at pin
6
of
CN701
wit
hou
tp
ressin
g
the
ke
ys?
No
Yes
Check the potential voltage CN701 pin6 change from +3.3V to near 0V when pressing the stop button.
9-6
FR-316 IF board flow chart
Does
s
ymptom
improv
e
when
replace
FR-316
board?
Ye
s
W
hich row
of key
s do n
ot
oper
ate?
STOP b
utto
ns ->
Ke
y1
does
not
operate
Reference: Relationship of Buttons and Voltages
OPEN/CLOSE
button
->
Key
2
does
n
ot
oper
ate
PLAY
button
->
Key
3
does
not
operate
Input
2.90-3
.30
0.00-0.40
KEY0 (S700)
(S701)
(S702)
(S703)
Ke
y_
OF
F
POWE
R
KEY1
Key_OFF
STOP
KEY2
Key
_O
FF
OP
EN/CLO
SE
KEY3
Key
_O
FF
PL
AY
Reconnect
FFC,
if
symtoms
donot improve, replace FFC
Does FFC disconnected
CN701
or
broken
from
Yes
No
Disconnected FFC or
FR-316
board
replace
Reconnect
FFC,
if
symtoms
do not improve, replace FFC
Does FFC disconnected
CN701
or
broken
from
Yes
Check IC101, B23
Check
pattern
and
S701
might
be
broken
Yes
Is there v
oltage of about 3.3V at pin
5
of
CN701
w
ithout
pressin
g
the
ke
ys?
Yes
Check the potential voltage CN702 pin5 change from +3.3V to near 0V when pressing the stop button.
Disconnected FFC or
FR-316
board
replace
Reconnect
FFC,
if
symtoms
do not improve, replace FFC
Does FFC disconnected
CN701
or
broken
from
Yes
No
Check
pattern
and
S702
might
be
broken
Yes
Key
2
does
not
op
erate
Is there v
olta
ge of abo
ut 3.3V at p
in
10
of
CN701
w
ithout
pressin
g
the
ke
ys?
Check IC101 (D20)
Yes
Check the potential voltage CN701 pin10 change from +3.3V to near 0V when pressing the stop button.
Disconnected FFC or
FR-316
board
replace
Reconnect
FF
C
,i
fsymtoms
do not improve, replace FFC
Does harness disconnected
CN701
or
broken
from
Yes
No
Check
pattern
and
S700
migh
t be
broken
Yes
Key
0 does
no
to
perate
No
No
No
No
CHECK IC101
button
->
Ke
y0
does
no
t operat
e
POWER
Is there v
olta
ge of abo
ut 3.3V at pin
4
of
CN701
without
pressin
g
the
ke
ys?
Yes
Check the potential voltage CN702 pin4 change from +3.3V to near 0V when pressing the stop button.
Disconnected FFC or
FR-316
board
replace
Re
connect
FFC,
if
symtoms
do not improve, replace FFC
Does harness disconnected
CN701
or
broken
from
Yes
No
Check
pattern
and
S703
might
be
broken
Yes
Key
3
does
not
operate
No
Check IC101, A23
No
Check IC101, A22
BDP-BX18/S185/S186
9-7
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
Check
FFC
disconnected
from
CN701 or broken?
Y
es
Check
of
appearance
waveform
during
pressing remote control at IC710 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 FR Board
No
Check
of
appearance
waveform
during pressing remote control at CN701 pin3
No
Replace
IC710
If
symptoms
do
not
improve,
Change FR board
Check
pattern
along
SIRCS
line
If
symptom
do
not
improve,
Change FR board
Check
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 FR board
CHECK IC101
BDP-BX18/S185/S186
W
hit
e LED
does
not
light
Ye
s
Is
there
vol
tage
of
about
3.3V
voltage
at
Base Q720?
No
Yes
Check +5V voltage at CN1002 pin8?
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 pin9?
No
Ye
s
Ye
s
Yes
Replace
IF
Board.
No
ChecK IC101 AA5
Check
pattern
around
CN
10
02
of
M
B
Board.
If symptoms do not improve, replace MB board.
9-8
Check +5V voltage at CN701 pin8?
Check if FFC broken or disconnected from CN701
Ye
s
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
Chec
k pattern
around
D7
20
(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
vol
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
BDP-BX18/S185/S186
9-9
Opt
ical
Bl
ock
Uni
t
(B
U)
I
O
P
check
fl
ow
(
zz)
~
[Bef
or
e
BU
Rep
lace
m
]t
ne
me
cal
pe
R
B
M/
U
B
re
tf
A[
~
)y
y(
w
ol
F
eti
r
W
at
a
D
P
O
)
U
B(
ti
n
U
kc
ol
B
la
cit
p
O
]t
ne
B
D
P
-S190
ca
n
pl
a
y
th
e
BD-d
is
c
BLX-
104
BDP-
ca
n
p
lay
t
he
DVD
/CD-d
is
c
Ch
ec
k
Dr
iv
e
Pow
e
r
Su
pp
ly
Ch
ec
k
PS3
0
1
,
PS3
0
2
Repl
ac
e
P
S
w
he
n
open
Ch
e
ck
/
r
eplac
e
th
e
F
F
C
cable,
t
hen
c
hec
k
BD
P-
S190
ope
ra
te
s
no
rm
a
lly
OPT-005
F
F
C
c
a
ble
(1
-83
9
-540
-1
1)
SPD-005
FF
C
c
a
ble
(1
-8
39
-541
-1
1
)
Ch
ec
k
th
e
O
p
tic
a
l
Bl
oc
k
Un
it
(B
U)
by
se
rv
ic
e
m
o
de.
(
F
low
char
t
zz)
BU
IOP
is
OK?
Repl
ac
e
th
e
O
p
tic
a
lB
lo
ck
U
ni
t
(B
U
)
Op
tica
l B
lo
ck
U
ni
t
(BU
)
re
p
la
ce
(F
lo
w
ch
a
rt
yy
)
O
K
Op
tic
al
B
loc
k
or
B
U
no
p
ro
b
le
m
DVD:
HLX-
513
CD:
HLX-
A
1
NO
Y
E
S
NO
YES
YE
S
NO
NO
YES
NO
YES
E
nte
r
S
e
rvi
ce
M
o
d
e
Pr
es
s
<O
PEN/CLOSE>.,
<PLAY
>
,<ST
OP>
an
d
pl
ug
in
A
C
Po
w
er
In
si
d
e
*S
e
rvi
ce
Mo
d
e
M
enu
Sel
ec
t[
8]
D
riv
e
In
si
d
e
*
D
riv
e
Se
le
ct
[7
]
O
P
Ch
ec
k
M
e
nu
In
side
*OP
C
he
ck
M
en
u
Sel
ec
t
[2]
dI
O
P
th
en
pr
e
ss'
E
N
TE
R
'
Sp
e
cif
ic
a
tio
n
dI
O
P
B
D
:6
m
A
D
V
D
, C
D
:
9
m
A
IO
P
o
ut
of
s
pec
ifi
ca
tio
n
need
BU
repl
ac
em
en
t
Op
tica
l B
lo
ck
U
nit
(
BU)
replac
e
(Fl
o
w
ch
a
rt
y
y)
A
CP
ow
er
O
FF
NO
YE
S
Rem
o
ve
th
e
d
e
fe
ct
iv
e
B
U
f
rom
Loadi
ng
As
sy
a
nd
al
so
rem
ov
e
B
U
in
su
la
to
r
(4
p
cs)
Un
pac
k
new
B
U
an
d
ta
ke
O
P
Dat
a
Ba
rc
ode
ph
ot
o
b
y
cam
er
a
As
se
m
b
le
B
U
w
ith
I
nsu
la
to
rs
to
L
o
a
d
in
g
As
sy
(t
ig
ht
e
n
sc
rew
wi
th
2
kgf)
D
e
co
d
e
th
e
OP
D
a
ta
B
a
rc
ode
ph
ot
o
us
ing
BDPRdec.exe
an
d
sav
e
th
e
te
st
d
a
ta
to
USB
m
e
m
o
ry
(F
ile
Nam
e
:
Bu
Dat
a.
txt
)
En
ter
Se
rvi
ce
M
ode
an
d
in
ser
t
USB
me
mo
ry
t
o
U
S
B
c
o
nne
ct
o
r
Se
le
ct
[
8]
Dr
iv
e
--
>
S
e
le
ct
[1
]
D
ri
ve
OP
d
a
ta
W
ri
te
Pr
es
s
EN
TE
R
Af
ter
F
in
is
h
in
g
R
e
W
ri
te
OP
d
a
ta
--
>T
urn
AC
P
ow
er
O
FF
A
nd
co
nf
ir
m
d
IO
P
b
y
se
le
ct
[7
]
O
P
C
he
ck
M
e
nu
t
o
v
e
ri
fy
I
O
P
in
s
pec
ific
at
io
n
IOP
in
s
p
ec
ific
at
io
n
--
>
T
ur
n
A
C
P
ow
e
r
OFF
T
ur
n
Pow
e
r
O
N
an
d
ch
ec
k
pla
ybac
k
per
for
m
an
ce
us
in
g
B
D
,
DV
D
an
d
CD
BLX-
104
DVD:
HLX-
513
C
D
:
H
L
X
-A1
Th
e
f
o
llo
w
in
g
c
a
ses
n
e
ed
O
P
Dat
a
W
ri
te:
(1)
Repl
ace
BU
(M
B
is
ori
gi
nal
)
(2)
R
epl
ace
M
B
(BU
is
ori
gi
n
al
)
(3)
R
e
p
la
ce
b
o
th
B
U
and
M
B
JI
G
requi
rement
Di
gi
tal
c
amera
(w
ith
ma
cr
o
mode
)
Ba
rco
d
ed
e
coder
(BDPRdec.exe)
in
st
a
lle
d
in
jig
PC
's
(j
ig
pu
rpose)
USB
memory
ESD
free
w
o
rk
b
e
nch
l
Drive
flowchart
-+
-+
S190
Q311 Pin 6: 12V Q302 Pin 6: 5V
P
Select Mode : 1 or 2
:n
oit
an
al
px
E
te
s
V
D
B:
1
ed
o
M
09
3
S/
09
1
S/
93
X
B-
P
D
B:
2
ed
o
M
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