LC-40/46/52LE820E, LC-40/46LU820E
7 – 12
No light (Back Light doesn't light)
Is the AC cord connector tightly connected to the set?
NO
Reconnect the AC cord tightly and turn on the power again.
YES
Are the wire harnesses and other cables properly connected in
the set?
NO
Reconnect the wire harnesses and other cables properly in the
set.
YES
Does Power starts up (central Icon LED lights up)?
NO
Refer to “No power (central Icon LED failure to light up) or no
startup (central Icon LED failure is flashing)”
YES
Is there the pins (12/PNL_POW) of P9601 at “H”?
NO
Check the power unit, and the signal line between PNL_POW
and IC3302.
YES
Is there the pins (8/STB) of P9602 at “H”?
NO
Check the power unit, and the signal line between STB and
IC2002.
YES
Replace the power unit.
LCD Panel failure (1)
Does a single or
several vertical
stripes appear on
the LCD screen?
Does a single or sev-
eral horizontal stripes
appear on the LCD
screen?
Do luminescent or
black dots appear
on the screen?
Is the on-screen
image rippling or
distorted?
Is there any portion
which some
screens were dark-
ish or became
whitish?
Does all LED of
one line are not
lighting?
Replace the LCD panel or the power unit.
LCD Panel failure (2)
The backlight func-
tions. Does not the
image come out in the
LCD screen (screen
black)?
Does the entire LCD
screen look whitish all
over?
Does the QS drive func-
tion?
Are the data bit drop-
out? (No solution even
when turning on and off
the QS drive)
Is the gamma correc-
tion as specified?
Replace the LCD_CONT_UNIT.
Summary of Contents for LC-40LE820E
Page 4: ...LC 40 46 52LE820E LC 40 46LU820E iii End of life disposal End of life disposal ...
Page 34: ...LC 40 46 52LE820E LC 40 46LU820E 4 22 M E M O ...
Page 36: ...LC 40 46 52LE820E LC 40 46LU820E 5 2 2 LC 46LE820E LU820E TOUCH SENSOR Unit ...
Page 37: ...LC 40 46 52LE820E LC 40 46LU820E 5 3 3 LC 52LE820E TOUCH SENSOR Unit ...
Page 38: ...LC 40 46 52LE820E LC 40 46LU820E 5 4 M E M O ...
Page 118: ...LC 40 46 52LE820E LC 40 46LU820E 2 17 M E M O ...
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