24
LC-20S5H/M/X
TROUBLE SHOOTING TABLE
(Continued)
No video output
No
No
No
No
Are the input and
output of IC1004
as specified?
Chec
k IC1004
and its per
ipher
al
circuits
.
Chec
k the po
w
e
r
line
.
Chec
k the
related line
.
Chec
k the
related line
.
Is the input at pin
(24) of S ter
minal
detector IC2003
as specified?
Are the inputs at pins (21),
(33) and (44) of IC1004 as
specified?
Chec
k the D-Y
, D-PB and
D-PR lines of SC2001.
Chec
k IC1004
and its per
ipher
al
circuits
.
Is the input at pin
(24) of S ter
minal
detector IC2003
as specified?
No
Is the input at pin
(40) of IC1004 as
specified?
Are the v
oltages
at pins (1), (12)
and (14) of tuner
as specified?
No ima
g
e at all
Chec
k the microprocessor's adjustment process men
u
f
o
r wrong settings
.
No
TV output
N
o
Video 1 output
No S
Video output
No Component output
Chec
k the LCD
panel v
oltage
and w
a
v
e
fo
rm
.
Yes
Yes
Chec
k the
related line
.
Yes
Chec
k IC1004
and its per
ipher
a
l
circuits
.
No
Are the inputs at
pins (31) and
(42) of IC1004 as
specified?
Yes
Chec
k the
related line
.
Yes
Yes
No
Chec
k the tuner
and its per
ipher
al
circuits
.
Is the output at
pin (17) of tuner
as specified?
Yes
Chec
k
the
related line
.
No colour
No
No
No colour on
TV
Is the input at pin (31) of
IC1004 as specified?
Chec
k
the output of IC1004
and its per
ipher
al circuits
.
Is the input at pin (31) of
IC1004 as specified?
Chec
k pin (15) of SC2002.
No
Are the inputs at pins (21)
and (33) of IC1004 as
specified?
Chec
k the CB and CR lines
of SC2001 and their
per
ipher
a
l circuits
.
Chec
k the microprocessor's adjustment process men
u
f
or wrong settings
.
No colour on
Video
No colour on S
Video
No colour on Component
Содержание LC-20S5H Aquos
Страница 27: ...29 LC 20S5H M X 28 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Страница 29: ...31 6 5 4 3 2 1 A B C D E F G H LC 20S5H M X SCHEMATIC DIAGRAM Ë INVERTER Unit ...
Страница 30: ...33 LC 20S5H M X 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 5 ...
Страница 31: ...35 LC 20S5H M X 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 5 ...
Страница 32: ...37 LC 20S5H M X 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 5 ...
Страница 33: ...39 LC 20S5H M X 38 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 5 ...
Страница 34: ...41 LC 20S5H M X 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 5 ...
Страница 35: ...43 LC 20S5H M X 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SUB Unit 1 3 ...
Страница 36: ...45 LC 20S5H M X 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SUB Unit 2 3 ...
Страница 37: ...47 LC 20S5H M X 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë SUB Unit 3 3 ...
Страница 38: ...48 6 5 4 3 2 1 A B C D E F G H LC 20S5H M X Ë OPERATION Unit ...
Страница 39: ...49 6 5 4 3 2 1 A B C D E F G H LC 20S5H M X Ë R C LED Unit ...
Страница 60: ...77 LC 20S5H M X PACKING OF THE SET S5 S2 S3 X3 X4 X5 X2 X1 S4 S6 S3 S1 X1 R L ...
