Yes
Ch
a
n
g
e M
a
in bo
a
rd
No sound No picture
Ch
a
n
g
e
M
a
inbo
a
rd
No
Yes
Ch
a
n
g
e
U1
No
- 41 -
Chec
k
i
f
there is volt
ag
e
pressure in the CN101.
pin
7
/pin8
˄
5
V
˅ˈ
pin1
2
/pin13
˄
1
2V
˅
Chec
k
i
f
the volt
ag
e
pressure o
f
CN101 Pin5 is hi
g
h
volt
ag
e pressure (More
th
a
n
2
.5
V
)
Chec
k
i
f
the volt
ag
e
pressure o
f
L101(1.3
V
),
L10
2
(1.8
V
),
L103(3.3
V
),
Yes
Ch
a
n
g
e U101,U10
2
or U105
No
