Read Sony BDP-BX18 / BDP-S185 / BDP-S186 (serv.man2) Service Manual online
BDP-BX18/S185/S186
USB
(Fron
t)
Dev
ice
Flow
USB
dev
ice
is
not
reco
gniz
ed
Insert
the
USB
dev
ice
again.
Is
it
recogniz
ed
when
the
pow
eri
s
turned
O
FF
and
then
O
N
again
?
No
Is
5V
pre
sent
at
CN201
(FR-316)
board
) pin1?
No
Is
5V
pres
ent
at
CN1002
(MB
board)
Pin 12 or pin 13?
No
Is
5V
present
at
IC
6 01 pin1
(M
B
board)
?
No
Power
suppl
y
IC310
(MB
board
-
defective
Y
es
Y
se
Y
se
Y
se
Poo
r contact
of
the
U
S
B
de
vi
ce
Def
ec
tiv
e
FFC
bet
we
en
th
e
IF
boar
d
an
d t
he
MB
board.
Does
replac
ing
IC
601(MB
board)
improv
e
the
sy
mptoms?
No
Repla
ce
the
MB
board
Y
es
Repl
ac
e
the
FFC
be
tween
th
e
MB
board
and
the
IF
boar
d.
Do
the
sy
mp
toms
im
pro
ve
?
N
o
Repla
ce
the
MB
board
10
6
CI(
.
M
B
board)
def
ec
tiv
e
Ye
s
Def
ectiv
e
FFC betwe
en
th
eI
F
boar
d
and
the
MB
boa
rd
9-11E
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