- 47 -
5
˅
TV failure
TV
no
channe
l
Chec
k i
f
the
r
e
i
s
R
F
s
i
gna
l i
nput
Y
Chec
k i
f
the
r
e
i
s
+5V
at
PIN
2
of
U2
4
N
Y
Y
Y
N
Chec
k
the
po
w
e
r
supp
l
y
c
ir
cu
i
t
to
th
i
s
PIN
Chec
k i
f
the
r
e
i
s
i
nte
r
med
i
ate
f
r
e
q
uency
s
i
gna
l
output
at
PIN1
2
of
U2
4
Chec
k i
f
the
r
e
i
s
I
2C
s
i
gna
l
at
PIN6
&
PIN7
of
T
U
NE
R
1
Chec
k
the
I
2C
c
ir
cu
i
t
b
et
w
een
U
11
and
U2
4
Chec
k
the
tune
r
Chec
k
the
s
i
gna
l
c
ir
cu
i
t
b
et
w
een
U
11
and
U2
4
Fix
the
R
F
set
N
Summary of Contents for L26B1120b
Page 13: ...3 4 LCD Panel 12 MTC260TVM C02H CMO V260B2 P03 ...
Page 18: ... 17 ...
Page 25: ...6 3 Setting Up Your Remote Control 24 ...
Page 26: ...7 Electrical parts 7 1 Block diagram 25 AMP Headphone Coaxial 1 2 MSD318QT Main IC ...
Page 37: ...8 TV OPERATION 36 ...
Page 38: ... 37 ...
Page 39: ... 38 Press ENTER Key To Select ...
Page 40: ... 39 Press ENTER Key To Select ...
Page 41: ... 40 ...
Page 44: ... 43 9 Trouble shooting 9 1 Simple check ...
Page 46: ... 45 3 Panel display abnormally connector J9 is at normal level ...
Page 50: ... 49 7 PC no picture or picture abnormal ...
Page 51: ... 50 8 YPBPR AV no picture or picture abnormal Check Y ...