Fan
flo
wc
hart
FA
N
ER
R
dis
pla
y appears
on
the
FLD
En
ter
the
Ser
vic
e M
ode
and
turn
on
the
fan
fro
m
the
IF
con
m
enu
Is
the
vol
tage
of
C
N1503
pin3
on
the
order
of
5V?
No
Dis
connec
t the
harnes
s f
rom
the
fan
tha
t is
ins
ert
ed
in
C
N1503
and
ta
ke
the
No
Is
the
vol
tage
of
IC
1501
pin2
on
the
order
of
3.3V?
No
Is
the
connec
tion
be
tween
IC
1501
pin1
and
IC
1503
pin58
bro
ken?
Al
so
che
ck
whe
ther
Yes
Yes
Yes
Is
the
fan
roa
ting?
No
Repla
ce
the
fan
Che
ck
around
the
fan
po
wer
suppl
y(I
C1501).
Yes
Is
FanSta
te
of
the
Ser
vic
e M
ode
sc
reen
se
t
to
ON
?
No
Dis
connec
t the
harnes
s f
rom
the
fan
tha
t is
ins
ert
ed
in
C
N1503
and
shor
t pin
s 1
and
2
together. Doe
s F
anSta
te
of
the
Ser
vic
e M
ode
sc
reen
go
O
N?
No
Is
the
connec
tion
be
tween
IC
1503
pin2
and
IC
1503
pin55
bro
ken?
Als
o c
he
ck
whe
ther
the
tra
ce
is
bridged
wi
th
the
ad
jac
en
t one.
Yes
Yes
Che
ck
whe
ther
so
me
thing
is
caught
in
the
fan
blades
. If
there
is
no
thing
there
, repla
ce
Repla
ce
the
fan.
BDP-BX37/S270/S370/S373/S470
9-13
