USB (Front) Device Flowchart
USB device is not recognized
Inse
rt
th
e
U
S
B
d
ev
ic
e
aga
in
.
Is
it
recog
ni
ze
d
whe
n
th
e
pow
er
is
tu
rne
d
O
F
F
an
d
the
n
O
N
agai
n?
N
o
Is
5
V
prese
nt
a
t CN603
N
o
Is
6
V
pre
se
nt
a
t
IC601
pi
n2
N
o
P
owe
r
supp
ly
boar
d
de
fe
ct
iv
e
P
oo
r
co
nt
ac
t o
f t
he
U
S
B
d
ev
ic
e
Doe
s
repl
ac
in
g
IC
601
(M
B
boar
d)
im
pr
ov
e
th
e
sy
m
pt
om
s?
N
o
Repl
ac
e
th
e
M
B
boa
rd
Y
es
Rep
la
ce
th
e
M
B
boar
d.
IC
601(
M
B
boar
d)
d
ef
ec
tiv
e
9-9
Y
es
Y
es
Y
es
SMP-N100