9-6
Audio Section Flowchart
Aud
io d
oe
s no
t s
ound
right
No
Vi
de
o
is
ou
tp
ut
pro
pe
rly
No
To
Vi
de
o se
cti
on
flo
wcha
rt
Yes
Is
the
L
ED
dis
play
co
rrect?
No
To
M
ain
flo
wc
ha
rt
Yes
Is ea
ch po
wer
sup
ply
sup
pli
ed
to
the
AU
DI
O
Bl
ock?
No
To
Po
wer
Sup
ply
(S
ys
te
m)
flo
wc
ha
rt
IC305
p
in4
: +
3.3V
IC307
p
in4
: +
3.
3V
Yes
On
ly
Ana
log 2ch L
/R
Aud
io a
ffe
cted?
No
On
ly D
igi
ta
l A
ud
io
(HD
M
I,
Op
tica
l, Coa
x)
af
fe
cted?
No
Re
pla
ce
the
M
B boa
rd
Yes
Yes
Is
the
re
HD
M
I ou
tpu
t?
No
Re
pla
ce
the
M
B boa
rd
Is
ther
e
Op
tica
l ou
tpu
t?
No
Is
ther
e a pro
ble
m
wi
th
moun
t
co
nd
ition
o
f R9
91
No
Re
pla
ce
the
M
B boa
rd
Y
es
Is
ther
e au
dio
sy
ste
m d
igi
ta
l s
ign
al
inpu
t t
o
IC90
1?
IC901
p
in7:
D
AC
DA
T
IC901
p
in8
: LR
CK
No
Re
pla
ce
the
M
B boa
rd
Yes
Ar
e
con
tro
l s
ign
als
inpu
t t
o
IC90
1?
IC901
pin11
: X
M
UT
E
No
Re
pla
ce
the
M
B bo
ar
d
Y
es
Is
ther
e a pro
ble
m
wi
th
moun
t c
on
dit
ion o
f
C9
10
,R9
62
No
Re
pla
ce
IC90
1 or re
plac
e
M
B boa
rd
SMP-N100
Is
IC904
ligh
ted
up?
No
Rep
lac
e
IC904