WLAN Module Power (USB) Device Flowchart
USB device is not recognized
Is
5
V
pre
se
nt
a
t CN601 pin1?
N
o
Is
6
V
pre
se
nt
a
t
IC602 pin1
N
o
P
owe
r s
upp
ly
boar
d
de
fe
ct
iv
e
Y
es
Y
es
Doe
s
repl
ac
in
g
IC
602(
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
harn
es
s
be
twee
n
th
e
M
B
boar
d
an
d
th
e
WLAN Module.
D
o
th
e
sy
m
pt
om
s
im
pr
ov
e?
N
o
Re
pl
ac
e
th
e
M
B
boar
d.
IC
602(
M
B
boar
d)
d
ef
ec
tiv
e
Y
es
D
ef
ec
tiv
e
harn
es
s
be
twe
en
th
e
WLAN Module
an
d
th
e
M
B
boa
rd
9-10
SMP-N100