Skyworth 42E68, Instruction Manual

Page: 78 / 91

Y
Y Y
Y
Y
Y
Y
Y
N
N
N
N
N
N
N
N
Y
Y
Y
N
N
N
N
Y
N
No
audio
&
No
backli
gh
t
Led
indicator
“red” on
Check
the
5V
STB
on
“CN2
”
Press
the
“ON/OFF”
on
key
boar
d
&
re
m
ote
control
,led
turns
green
Check
the
AC
input on
power
su
pp
ly
bo
ard
Upgrade
the
so
ftware
C
han
ge
th
e
AC
line
Check
the
fuse
on
power
supply
board
D
one
Chang
e
the
fu
se
Change
the
power
supply
boa
rd
D
one
D
one
Upgrade
the
software
Chec
k
th
e
5V
,12
V
on
power
su
pp
ly
board
Change
the
power
supply
boa
rd
Chec
k
th
e
“ON/OFF”
voltage
on
“
CN
2”,
sh
ould
be
greater
than
2.7V
Ch
ang
e
the
panel.
Don
e
Don
e
D
on
e
Change
the
FLASH U100
D
on
e
D
on
e
Check
all
DC
power
su
pp
ly
on
U101
10
Chang
the
power
su
pp
ly
IC
for
U
101
C
ha
nge
the
Main
IC
“U
101
”
Change
the
Main
board
D
on
e
D
on
e
D
one
Se
rvi
ce
Fl
ow
C
ha
rt
-
48
-
Y
Y
Y
N
N
N
Chec
k
“Q
2
8
”
&
“U
101
”
Pin
B10
&B12
if
it w
orks
we
ll.
Upgrade
the
software
C
han
ge
the
“Q
3”
or
“U11”
Change
the
“U
10
1”
D
on
e
D
on
e
D
one
Upgrade
the
software
D
one