LC-15S4U-S
29
TROUBLE SHOOTING TABLE
(Continued)
No TV output
No TV, video 1 and 2 output
No video output at all
No component output
No S video output
No video 2 output
No video 1 output
Make sure the microprocessor's adjustment process menu settings are as specified.
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Are the input
and output of
IC801 as
specified?
Check IC801
and its
peripheral
circuits.
Check the
LCD panel
voltage and
waveform.
Are the input
and output of
IC3402 as
specified?
Check
IC3402 and
its peripheral
circuits.
Check the
line in
question.
Are the
voltages at
pins (6), (7)
and (9) of
tuner as
specified?
Is the output
at pin (19) of
tuner as
specified?
Is the input
at pin (5) of
IC3402 as
specified?
Is the output
of IC3402 as
specified?
Check the
line in
question.
Check
IC3402 and
its peripheral
circuits.
Check the
line in
question.
Check the
tuner and its
peripheral
circuits.
Check the
power line.
Is the input
at pin (1) of
IC3402 as
specified?
Is the output
of IC3402 as
specified?
Check the
line in
question.
Check the
line in
question.
Check
IC3402 and
its peripheral
circuits.
Is the input
at pin (3) of
IC3402 as
specified?
Is the output
of IC3402 as
specified?
Check the
line in
question.
Check the
line in
question.
Check
IC3402 and
its peripheral
circuits.
Check the
line in
question.
Are the inputs at pins (21),
(33) and (44) of IC801 as
specified?
Check the D-Y, D-Pb and
D-Pr lines of J3405.
No video output
Содержание LC-15S4US
Страница 35: ...LC 15S4U S 37 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...
Страница 37: ...39 6 5 4 3 2 1 A B C D E F G H LC 15S4U S SCHEMATIC DIAGRAM Ë R C LED Unit ...
Страница 38: ...LC 15S4U S 41 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 1 5 ...
Страница 39: ...LC 15S4U S 43 42 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 2 5 ...
Страница 40: ...LC 15S4U S 45 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 3 5 ...
Страница 41: ...LC 15S4U S 47 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 4 5 ...
Страница 42: ...LC 15S4U S 49 48 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 5 5 ...
Страница 43: ...LC 15S4U S 51 50 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËANALOG Unit 1 5 ...
Страница 44: ...LC 15S4U S 53 52 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËANALOG Unit 2 5 ...
Страница 45: ...LC 15S4U S 55 54 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËANALOG Unit 3 5 ...
Страница 46: ...LC 15S4U S 57 56 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËANALOG Unit 4 5 ...
Страница 47: ...LC 15S4U S 59 58 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËANALOG Unit 5 5 ...
Страница 48: ...LC 15S4U S 61 60 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A PRINTED WIRING BOARD ASSEMBLIES ...
Страница 50: ...LC 15S4U S 65 64 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side B ...
Страница 52: ...LC 15S4U S 69 68 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ANALOG Unit Component Side ...
Страница 65: ...83 LC 15S4U S PACKING OF THE SET S1 S5 X4 S2 S3 S4 S3 X7 X2 X3 X1 X5 X6 X8 ...