LC-20M4U
16
No picture
Check all the settings microprocessor's adjust process menu.
Is output of
R0~R5
normal?
Is output of
G0~G5
normal?
Is output of
B0~B5
normal?
Check R1202,
R1203 and their
peripheral parts.
Check R1204,
R1205 and their
peripheral parts.
Check R1206,
R1207 and their
peripheral parts.
Check T701's
sec5V
outputs line.
Yes
Yes
No
No
No
Color is
unusual
Is VLS 5V
being
outputted?
No
Picture
image is
gloomy
Is in/output of
SPIO and
SPOI normal?
Check R1209
and its
peripheral parts.
No
No picture
image
inversion
Is output V0,
V16, V32, V48
and V63
normal?
Check IC1106,
IC1107, IC1108
and their
peripheral parts.
No
Gradation
defect
Is output of U/D
normal?
Check Q1201
and its
peripheral parts.
Yes
No
TROUBLE SHOOTING TABLE
(Continued)
Содержание LC 20M4U
Страница 5: ...5 LC 20M4U Main unit rear view OPERATION MANUAL Main unit front view Remote Control ...
Страница 6: ...LC 20M4U 6 DIMENSIONS Unit inch mm ...
Страница 18: ...18 LC 20M4U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 CHASSIS LAYOUT MAIN Unit Side A MAIN Unit Side B ...
Страница 19: ...19 LC 20M4U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 JACK Unit INVERTER Unit SWITCH Unit ...
Страница 35: ...46 LC 20M4U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MAIN Unit Side A ...
Страница 36: ...47 LC 20M4U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MAIN Unit Side B ...
Страница 37: ...48 LC 20M4U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 JACK Unit Side A JACK Unit Side B ...
Страница 38: ...49 LC 20M4U A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 SWITCH Unit Side B SWITCH Unit Side A ...
Страница 51: ...63 LC 20M4U Ref No Part No Description Code Ref No Part No Description Code ...