IF
co
n
Sect
io
n
Fl
ow
Ch
ar
t(1
/2
)
IF
co
n
bl
ock
p
ow
er
s
up
pl
y
ch
ec
k
U
N
SW
3.
3V
v
ol
tag
e
(+
3.
3V
)
Is
3
.3
V
ou
tpu
t f
ro
m
IC301
p
in4
?
N
o
Input
vo
ltag
e
Is
+
5.
8V
inpu
t t
o
IC301
p
in5
?
N
o
Is
th
e
fu
se
(P
S301
) b
lo
wn
?
N
o
To
P
ow
er
S
upp
ly
(S
ys
te
m
) f
lo
wc
har
t
Y
es
Y
es
Y
es
Rep
la
ce P
S301
If
sy
m
pt
om
s
do
not
im
pro
ve,
c
he
ck
for
a
shor
t on
the
c
irc
ui
t boar
d
R
EG
c
ont
ro
l vo
ltag
e
Is
+
5.
8V
inpu
t t
o
IC301
p
in1
?
N
o
Rep
la
ce
IC30
1
Y
es
Rep
la
ce
R30
2
If
sy
m
pt
om
s
do
not
im
pro
ve
, rep
la
ce
IC30
1
P_
FA
IL
d
etect
io
n
op
er
at
io
n
ch
ec
k
Check
the
P
_F
AI
L
vo
ltag
e
N
o
N
o
Is
+
3.
3V
ou
tpu
t f
ro
m
IC1504
p
in
2
?
Y
es
M
ai
n
un
it
ke
y
ch
ec
k
Check
of
k
ey
v
ol
tage
fro
m
m
ai
n
un
it
Key
Ta
bl
e
(*
) w
hen
k
ey
is
pr
es
se
d
or
n
ot
p
re
ss
ed
N
o
N
o
PO
W
ER:
C
N
150
9
pi
n5(JL156
9)
KE
Y0
ST
O
P:
C
N
150
9
pi
n2(JL153
1)
K
EY
1
OP
EN/CLO
SE
:
C
N
150
9
pi
n4(JL153
3)
KE
Y2
PL
AY
:
C
N
150
9
pi
n3(JL153
2)
K
EY
3
Y
es
Re
m
ot
e
co
nt
ro
l o
pe
rati
on
c
hec
k
Check
the
w
ave
for
m
w
hen
the
re
m
ot
e
cont
ro
l bu
tton
is
not
pres
se
d
N
o
Che
ck
w
he
ther
the
F
FC
is
di
sconnec
ted
fro
m
C
N
150
4
. (
O
ther
than
the
P
O
W
ER
k
ey
)
N
o
Check
of
the
3
.3
V
vo
ltag
e
C
N
150
4
pi
n1
3
an
d
IC1503
p
in2
4
Is
ther
e
a
pro
bl
em
w
ith
th
e
R
B1503
m
ount
ing
cond
iti
on
?
Y
es
Check
of
the
w
ave
for
m
w
hen
the
key
is
pre
sse
d
In
c
om
pa
ris
on
w
ith
a
no
rm
al
w
ave
fo
rm
, i
s
th
e
wa
ve
fo
rm
o
f t
he
v
ol
tag
e
ou
tpu
t
tl
?
N
o
Is
the
re
m
ot
e
cont
ro
l t
hat
is
us
ed
in
the
inspect
ion
broken
?
N
o
Does
rep
la
ce
m
ent
of
the
FR
b
oa
rd
re
su
lt
in
im
pro
ve
m
ent
?
N
o
Y
es
Che
ck
w
he
ther
the
F
FC
is
di
sconnec
ted
fro
m
C
N
150
4
. (
O
ther
than
the
P
O
W
ER
k
ey
)
Yes
Rep
la
ce
R1564
and
c
he
ck
for
+
3.
3V
at
I
C
150
4
pi
n1
If
sy
m
pt
om
s
do
no
t i
m
pro
ve
, rep
la
ce
IC1504
(P
_F
AI
L
de
te
ct
io
n)
Is
the
F
FC
fr
om
C
N
150
9
d
is
conne
ct
ed?
(O
ther
than
the
P
O
W
ER
k
ey
)
Is
th
e
harnes
s
fro
m
C
N
150
9
d
is
conne
ct
ed?
(P
O
W
ER
key
)
Is
the
SW
P-
00
1
harnes
s
fro
m
th
e
po
we
r
supp
ly
di
sc
onne
ct
ed?
(P
O
W
ER
key
)
Is
ther
e
a
pro
bl
em
w
ith
th
e
m
oun
tin
g
cond
iti
on
of
R
B150
2
o
r
15
01
?
Is
ther
e
a
pro
bl
em
w
ith
th
e
m
oun
tin
g
cond
iti
on
of
C1513
, 1514
, 1515
or
151
6
?
*
Ke
y
Ta
bl
e
In
pu
t
(K
EY
0)
(K
EY
1)
2.
90
-
0.
00
-
Ke
y_
O
FF
『
PO
W
ER
』
Ke
y_
O
FF
『
ST
OP
』
『
O
PE
N
/C
LOSE
』
(K
EY
2)
(K
EY
3)
Ke
y_
O
FF
Ke
y_
O
FF
『
PLAY
』
A
B
To
FR
boa
rd
Fl
ow
BDP-BX37/S270/S370/S373/S470
9-4
