Sony BDP-S780 Service Manual ▷ View online
W
hi
te LED
does not lig
ht
Is
there
v
olt
ag
e
of
about
5.8V at PS1201?
Y
es
Is
there
v
olt
ag
e
of
about
3.3V
voltage at
Base Q709?
N
o
Yes
N
o
Check +5.8V voltage at CN1204 pin7?
No
Y
es
Check if FFC broken or disconnected from CN702
No
Y
es
Reconnect FFC. If symptoms do not improve, replace FFC
Check of +3.3V voltage at CN702 pin10?
No
Ye
s
Ye
s
Ye
s
Replace FR
Board.
No
To IFCon flowchart
Check
pattern around
CN
1204 o
f M
B
Board.
If symptoms do not improve, replace MB board.
9-14
(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?
N
o
Replace R718. If symptoms do not improve, replace FR board
Check polarity of D702(LED) Is reverse polarity occurs?
N
o
Chec
k pattern around D
70
2(
LE
D
),
If symptoms do not improve, change FR board.
Replace D702. If symptoms do not improve, replace FR board
Check pattern around D702(LED),If symptoms do not improves, change FR board
Replace Q709. If symptoms do not improve, replace FR board
Is there v
ol
tage of
about
3.3V
voltage at
Collector Q709?
Check polarity of D702(LED) Is reverse polarity occurs?
Replace D702 If symptoms do not improve, change FR board
Yes
Yes
No
No
No
BDP-S780
9-15
Opt
ical
Bl
ock Uni
t (
B
U)
I
O
P check f
low
(
z
z)
~
[B
ef
or
e
BU Re
p
lace
m
e
n
t]
Op
tic
a
l B
lo
c
k
U
n
it (B
U
) O
P
D
a
ta
W
r
ite
F
lo
w
(y
y
) ~ [A
fte
r
B
U
/M
B
R
e
p
la
c
e
m
e
n
t]
BD
P-S780
ca
n
p
la
y
th
e
BD-d
is
c
BL
X-
104
BD
P-
S780
c
a
n
p
lay
t
h
e
DV
D
/CD
-d
is
c
Ch
ec
k
Dr
iv
e P
o
w
e
r
Su
pp
ly
CN
301
Pi
n
3:
12V
/
IC309 P
in
1:
5
V
Ch
ec
k
PS3
0
1
, PS3
0
2
Repl
ac
e P
S
w
h
e
n
open
Ch
e
c
k
/
r
epl
ac
e t
h
e F
F
C c
able,
t
h
en
c
h
ec
k
BD
P-
S
780
ope
ra
te
s
n
o
rm
a
lly
OPT-001
F
F
C
c
abl
e
(1
-83
8
-615
-1
1)
SPD
-001
FF
C
c
a
ble (
1-
83
8
-6
17-
1
1
)
Ch
ec
k
t
h
e
O
p
ti
c
a
l
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
O
K
?
Repl
ac
e t
h
e O
p
tic
a
l
Bl
o
c
k
U
ni
t
(B
U
)
O
p
ti
c
a
l B
lo
c
k
U
n
it
(
B
U
)
re
p
lac
e
(F
lo
w
c
h
a
rt
y
y
)
O
K
Op
tic
al
B
loc
k
or
B
U
no
p
ro
b
le
m
DVD:
HLX-
513
CD:
HLX
-A1
NO
Y
E
S
NO
YES
YE
S
NO
NO
YES
N
O
YES
E
n
te
r S
e
rvi
c
e
M
o
d
e
Pr
es
s
<O
PEN/CLO
SE>.
, <PLAY
>
,<
S
T
OP
>
a
n
d pl
u
g
i
n
A
C
Po
w
e
r
In
si
d
e
*S
e
rvi
c
e
Mo
d
e
M
enu
Sel
e
c
t
[8]
D
riv
e
In
si
d
e
*
D
riv
e
Se
le
c
t [7
]
O
P
Ch
ec
k
M
e
nu
In
s
id
e
*OP
C
h
e
c
k M
en
u
Sel
ec
t
[2
]
dI
O
P
th
en
pr
e
s
s
'E
N
TE
R
'
Sp
ec
if
ic
a
tio
n
dI
O
P
B
D
:
3m
A
D
V
D
, C
D
: 3
m
A
IO
P
o
u
t of
sp
e
c
if
ic
a
ti
o
n ne
e
d
BU
repl
ac
em
en
t
Op
ti
ca
l
Bl
o
c
k
U
n
it
(
BU
)
re
plac
e
(F
lo
w
c
ha
rt
yy)
A
C
P
ow
er
O
FF
NO
YE
S
Rem
o
v
e
th
e
d
e
fec
ti
v
e B
U
f
rom
Loadi
n
g
A
ss
y
a
n
d al
s
o
rem
o
ve
B
U
i
n
su
la
to
r (4
p
cs)
Un
pac
k
n
e
w
B
U
an
d
ta
k
e
O
P Da
ta
Ba
rc
ode
ph
ot
o
b
y
c
am
er
a
As
s
e
m
b
le
B
U
w
it
h
I
n
su
la
to
rs to
L
o
a
d
in
g
As
s
y (
ti
g
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
BD
PRdec.exe
an
d s
av
e
th
e
te
s
t dat
a
to
USB m
e
m
o
ry
(F
il
e
N
a
m
e
:
B
u
D
a
ta
.t
x
t)
En
ter
Se
rv
ic
e
Mo
d
e
a
n
d
i
n
s
e
rt
USB
me
mo
ry
t
o
U
S
B
c
o
nne
c
to
r
Se
le
c
t
[8]
Dr
ive
-->
S
e
le
ct [1
]
D
ri
v
e
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
u
rn
A
C
P
ow
er
O
FF
A
n
d
co
n
fi
rm
d
IO
P
b
y
se
le
ct
[7
]
O
P
C
h
e
ck
M
e
n
u
to
ve
ri
fy
IOP
i
n
sp
e
c
ifi
c
a
ti
o
n
IO
P
i
n
s
p
ec
if
ic
at
io
n
-
->
T
u
rn
A
C
P
ow
e
r
OFF
T
u
rn
P
o
w
e
r
ON
a
n
d
c
h
e
c
k p
la
y
bac
k
per
for
m
a
n
c
e u
s
in
g
B
D
,
DV
D an
d CD
BL
X-
104
DVD:
HLX-
513
C
D
:
H
L
X
-A1
Th
e
f
o
ll
o
w
in
g
c
a
ses n
e
ed O
P
D
at
a W
ri
te:
(1) Rep
lace
BU (M
B
is
ori
g
in
al
)
(2)
R
ep
la
ce M
B
(BU
is
ori
g
inal
)
(3)
R
e
p
la
ce b
o
th
B
U and M
B
JI
G requi
rement
Di
gi
tal
c
amera (w
it
h
ma
cr
o mode
)
Ba
rco
d
e
de
c
oder
(BDPRdec.exe)
in
s
ta
lle
d
in
jig
PC
's
(j
ig
p
u
rp
o
se)
USB memory
ESD free w
o
rk
b
e
nch
l
Drive
fl
owchart
-+
-+
BDP-S780
Fan f
low
chart
FAN
ER
R
dis
play
appears on t
he VFD
Ent
er t
he Serv
ic
e Mode and t
urn on t
he f
an
from t
he I
Fc
on m
enu
Is
the v
olt
age of
C
N
1503 pin3 on t
he order
of
5V?
No
D
is
connect
the harness
from t
he f
an t
hat
is
ins
ert
ed in C
N
1503 and t
ak
e t
he
No
Is
the v
olt
age of
IC
1501 pin2 on t
he order of
3.
3V?
No
Is
the c
onnect
ion bet
ween I
C
1501 pin1 and
IC
1503 pin58 broken? Als
o c
hec
k w
het
her
Yes
Yes
Yes
Is
the f
an roat
ing?
No
R
eplac
e t
he f
an
C
hec
k around t
he f
an pow
er s
upply(I
C
1501).
Yes
Is
F
anStat
e of
the Serv
ic
e M
ode sc
reen s
et
to
O
N
?
No
D
is
connect
the harness
from
the f
an t
hat
is
ins
ert
ed in C
N
1503 and s
hort
pins 1 and 2
together.
D
oes F
anStat
e of
the Serv
ic
e M
ode s
creen
go ON
?
No
Is
the c
onnect
ion bet
ween
IC
1503 pin2 and
IC
1503 pin55 brok
en?
Als
o check w
het
her t
he t
rac
e is
bridged w
ith
the adj
ac
ent
one.
Yes
Yes
C
heck
w
het
her s
om
et
hing is c
aught in t
he
fan blades.
If
there is
not
hing t
here,
replac
e
R
eplac
e t
he f
an.
9-16
BDP-S780
the t
rac
e is
bridged w
ith
the adj
ac
ent
one.
Et
hernet f
low
c
hart
C
annot
c
onnec
t
w
ith
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 LA
N
c
able
fi
rm
ly
Yes
Is
t
he LED
o
f t
he hub rout
er lit
?
(L
IN
K
LED
)
No
Is
pow
er
s
upplied
to
th
e
MB
board?
No
T
o Pow
er Supply
(Sy
s
tem) f
low
c
hart
Yes
Yes
R
eplac
e
th
e
MB board.
Are
th
e
ne
tw
ork
s
e
tt
ings
o
f t
he
m
enu
c
orre
c
t?
No
Ma
ke
the
c
orre
c
t
ne
tw
ork
s
e
tt
ings.
Yes
R
eplac
e t
he M
B board
9-17
BDP-S780
Wireless LAN Flowchart
C
annot connec
t to Wireless LAN network
Does it able to scan for Wireless network;
Wireless Setup > Scan?
No
Is the harness from Wlan moduleto CN603
is connected properly?
Yes
No
No
Yes
Does the wireless LAN router is on with
Wireless LAN enable?
Yes
No
Are the network settings for wireless LAN
is correct?
Yes
Reset network settings ; Resetting > Reset
to factory default settings > Network settings
Turn on the router and enable the wireless
LAN?
Make the correct wireless LAN network
settings
Connect the harness properly
Is the voltage of CN603 pin 4 is more than
5V
Yes
No
Yes
Replace the WLAN module
Replace the MB Board
Click on the first or last page to see other BDP-S780 service manuals if exist.