37
LC-13B6U-S
LC-15B6U-S
TROUBLE SHOOTING TABLE
(Continued)
(480i, 480p)
(1080i, 720p)
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
No
No
Ye
s
No
Ye
s
No
Ye
s
No
No
No
Ye
s
Ye
s
(480i, 480p)
(1080i, 720p)
No pictures come out.
All pictures do not come out.
No
TV pictures come out.
No video 1 pictures come out.
No video 2 pictures come out.
Chec
k if the adjustment process men
u of the microcomputer is set proper
ly
.
No
No
No
No
No
No
No
No
No
No
No
No
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No S video pictures come out.
No
No
Ye
s
Ye
s
Ye
s
Ye
s
Does the
test patter
n
of the LCD
controller
come out?
Are the
input and
output of
IC801 as
specified?
No
TV
, video 1 or video 2
pictures come out.
Chec
k
IC1201, its
per
ipher
al
circuitr
y and
the LCD
panel.
Chec
k
IC801 and
its
per
ipher
al
circuitr
y.
Is the input
at pin
(216) of
IC801 as
specified?
Chec
k the
IC801 VIDEO
line and its
per
ipher
al
par
ts
.
Is the output
at pin (19) of
the tuner as
specified?
Are the
input and
output of
IC3401 as
specified?
Chec
k
IC3401 and
its per
ipher
al
par
ts
.
Chec
k the
po
w
er supply
line
.
Chec
k the
line in
question.
Chec
k
IC3401 and
its per
ipher
al
par
ts
.
Chec
k the
tuner and its
per
ipher
al
par
ts
.
Chec
k the line
in question.
Chec
k
IC3401 and
its per
ipher
al
par
ts
.
Are the
vo
ltages at
pins (6), (7)
and (9) of the
tuner as
specified?
Is the input
at pin (47)
of IC3401
as
specified?
Is the output at pin
(43) of IC3401 as
specified?
Chec
k the line in
question.
Is the
output at
pin (43) of
IC3401 as
specified?
Is the input
at pin (1) of
IC3401 as
specified?
Chec
k the
line in
question.
Chec
k
IC3401 and
its per
ipher
al
par
ts
.
Is the input
at pin (8) of
IC3401 as
specified?
Is the
output at
pin (43) of
IC3401 as
specified?
No
No
Ye
s
Y
e
s
Ye
s
Is the input
at pin (216)
of IC801 as
specified?
Is the input
at pin (216)
of IC801 as
specified?
Chec
k
IC801 and
its input
line and
per
ipher
al
par
ts
.
Chec
k
IC801 and
its input
line and
per
ipher
al
par
ts
.
Chec
k
IC801 and
its input
line and
per
ipher
al
par
ts
.
Are the
inputs at pins
(3) and (5) of
IC3401 as
specified?
Chec
k the
SY line
, SC
line and
per
ipher
al
par
ts of
J3401.
Chec
k
J3401 and
its
per
ipher
al
par
ts
.
Are the
outputs at
pins (43)
and (45) of
IC3401 as
specified?
No
Are the
inputs at
pins (131)
and (216) of
IC801 as
specified?
No component 1 pictures come out.
No
No
Ye
s
Ye
s
Chec
k the
lines and
per
ipher
al
par
ts of
J3407.
Are the
inputs at
pins (1), (5)
and (25) of
IC3403 as
specified?
Chec
k
IC3403 and
its
per
ipher
al
par
ts
.
Are the
outputs at
pins (11),
(14) and (17)
of IC3403 as
specified?
No
Ye
s
No
Ye
s
Chec
k the input line
and its per
ipher
al
par
ts
.
Chec
k IC8701 and
its per
ipher
al par
ts
.
Chec
k IC801 and its
per
ipher
al par
ts
.
No
Ye
s
Is the output of IC8701
as specified?
Are the inputs at pins (43),
(48), (49) and (54) of
IC8701 as specified?
Is the input of IC8701
as specified?
Chec
k the output of IC801,
the input and output of
IC1201 and their
per
ipher
al par
ts
.
No
Ye
s
Are the inputs at pins
(218), (133) and (135) of
IC801 as specified?
Chec
k the output of
IC801, the input and
output of IC1201 and
their per
ipher
al par
ts
.
Chec
k IC801 and its
input line and
per
ipher
al par
ts
.
No color
s come out.
No S video colors come out.
No component colors come out.
Chec
k if the adjustment process men
u of the microcomputer is set proper
ly
.
Chec
k IC1201,
its per
ipher
al
circuitr
y and the
LCD panel.
Does the test
patter
n
of the
LCD controller
come out
proper
ly?
Chec
k IC801 and
its per
ipher
al
circuits
.
Chec
k the SC
line of J3401
and its
per
ipher
al
par
ts
.
Is the input at
pin (5) of IC3401
as specified?
Chec
k IC3401
and its
per
ipher
al
par
ts
.
Is the output at pin
(45) of IC3401 as
specified?
Chec
k the lines
of J3407 and
J3408 and their
per
ipher
al
par
ts
.
Is the input of
IC3403 as
specified?
Chec
k IC3403
and its
per
ipher
al par
ts
.
Are the outputs at
pins (11) and (14) of
IC3403 as specified?
Chec
k IC803
and its
per
ipher
al
par
ts
.
Are the inputs and
outputs at pins (1) and
(3) of IC803 as
specified?
Chec
k the input
line and its
per
ipher
al
par
ts
.
Is the input at pin
(131) of IC801 as
specified?
Chec
k the output of
IC801, the input
and output of
IC1201 and their
per
ipher
al par
ts
.
Chec
k
IC801 and
its input
line and
per
ipher
al
par
ts
.
Are the
inputs at
pins (133)
and (135) of
IC801 as
specified?
Are the
output of
IC801 and
the input and
output of
IC1201 as
specified?
Chec
k
IC8701
and its
per
ipher
al
par
ts
.
Chec
k the
input line
and its
per
ipher
al
par
ts
.
Are the
inputs and
outputs of
IC8701 as
specified?
Is the input
of IC801 as
specified?
Chec
k the
output of
IC801, the
input and
output of
IC1201 and
their
per
ipher
al
par
ts
.
No TV
colors
come out.
No video colors
come out.
Summary of Contents for LC-13B6US
Page 46: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 46 LC 13B6U S LC 15B6U S OVERALL WIRING DIAGRAM ...
Page 47: ...47 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 49: ...49 6 5 4 3 2 1 A B C D E F G H LC 13B6U S LC 15B6U S SCHEMATIC DIAGRAM Ë OPERATION Unit ...
Page 50: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 50 LC 13B6U S LC 15B6U S ËMAIN Unit 1 8 LC 13B6U S ...
Page 51: ...51 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 52: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 52 LC 13B6U S LC 15B6U S ËMAIN Unit 1 8 LC 15B6U S ...
Page 53: ...53 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 54: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 54 LC 13B6U S LC 15B6U S ËMAIN Unit 2 8 ...
Page 55: ...55 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 56: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 56 LC 13B6U S LC 15B6U S ËMAIN Unit 3 8 ...
Page 57: ...57 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 58: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 58 LC 13B6U S LC 15B6U S ËMAIN Unit 4 8 ...
Page 59: ...59 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 60: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 60 LC 13B6U S LC 15B6U S ËMAIN Unit 5 8 ...
Page 61: ...61 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 62: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 62 LC 13B6U S LC 15B6U S ËMAIN Unit 6 8 ...
Page 63: ...63 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 64: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 64 LC 13B6U S LC 15B6U S ËMAIN Unit 7 8 ...
Page 65: ...65 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 66: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 66 LC 13B6U S LC 15B6U S ËMAIN Unit 8 8 ...
Page 67: ...67 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 68: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 68 LC 13B6U S LC 15B6U S ËANALOG Unit 1 3 ...
Page 69: ...69 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 70: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 70 LC 13B6U S LC 15B6U S ËANALOG Unit 2 3 ...
Page 71: ...71 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 72: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 72 LC 13B6U S LC 15B6U S ËANALOG Unit 3 3 ...
Page 73: ...73 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 74: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 74 LC 13B6U S LC 15B6U S ËINVERTER Unit ...
Page 75: ...75 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 76: ...76 6 5 4 3 2 1 A B C D E F G H LC 13B6U S LC 15B6U S ËR C LED Unit ...
Page 82: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H 82 LC 13B6U S LC 15B6U S ANALOG Unit Side A ...
Page 83: ...83 17 16 19 18 15 14 13 12 11 10 LC 13B6U S LC 15B6U S ...
Page 86: ...86 6 5 4 3 2 1 A B C D E F G H LC 13B6U S LC 15B6U S INVERTER Unit Side A ...