Directview LCD Training
39
Troubleshooting
AudiO
TrOUBLeShOOTiNG
uSb MEdIA dEvICE FlOWChART
1
. U
SB
1
.1
B
lo
ck
D
ia
gr
am
F
or
E
M
F
C
he
ck
t
he
d
ev
ic
e
po
w
er
L
ED
C
he
ck
t
he
d
ev
ic
e
C
ab
le
. I
s
it
U
SB
1
.1
c
ab
le
?
If
t
he
d
ev
ic
e
is
H
D
D
, c
he
ck
ex
te
rn
al
p
ow
er
a
da
pt
or
.
C
he
ck
V
B
U
S_
5
V
C
he
ck
t
he
D
C
/D
C
C
on
ve
rt
er
(I
C
7
1
2
)
N
Y
Y
N
N
2
. C
he
ck
S
eq
ue
nc
e
Change
th
e
ca
bl
e
to
U
SB
1
.1
c
ab
le
or
R
ep
la
ce
t
he
d
ev
ic
e.
Y
N
R
ep
la
ce
t
he
D
C
/D
C
C
on
ve
rt
er
(I
C
7
1
2
)
•
Ex
ce
pt
io
n
-
U
SB
p
ow
er
c
ou
ld
b
e
di
sa
bl
ed
b
y
in
ru
sh
in
g
cu
rr
en
t
-
In
t
hi
s
ca
se
, r
em
ov
e
th
e
de
vi
ce
a
nd
t
ry
t
o
re
bo
ot
t
he
T
V
(A
C
p
ow
er
o
ff
/o
n)
X
2
6
0
U
SB
_
lin
k
(I
C
1
0
1
)
D
C
/D
C
C
o
nv
er
te
r
(I
C
7
1
2
)
J
A
C
K
Si
de
B
/D
U
SB
1
.1
_O
VR
C
U
R
5
V_
U
SB
VB
U
S_
5
V
D
P,
D
M
C
ab
le
U
SB
_P
W
R
_D
O
W
N
D
EV
IC
E
(H
D
D
o
r
M
em
or
y)
U
SB
1
.1
c
ab
le
Summary of Contents for 42LB4D
Page 1: ...LG TRAINING MANUAL 42LB4D LCD Fall 2007 LG TRAINING MANUAL ...
Page 4: ... 4 ...
Page 8: ... 8 ...
Page 42: ......
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Page 44: ...2007 42LB4D LCD Training ...