Trouble Shooting
• Mainboard not work
•
1. Check the “power board “ in
main-board whether has 12V
and 5V 5vsb output .
•
2.Verify if the DC/DC
convertors have the right output
(3.3V,1.15V,1.5V)
•
3.Verify if the
Mainchip(MSD6488),
AudioAMP…solder well;
•
4.Verify if the NANDFLASH(U2)
has the right software and work
well;
•
5.Verify if the Y1(Crystal) has
the right frequency
Panel
not
work
1. Check
the
LED
Back
light
“set
‐
up
IC
”
output
and
input
are
working
.
2.Verify
if
the
Mainboard
output
the
right
On/Off
signal
to
power
board;
3.Verify
if
the
Mainboard
output
the
LVDS
singal
to
panel
T
‐
con
board
4.Verify
if
the
software
is
the
right
version
of
this
model.
5.Change
the
LVDS
wire
to
check
if
it’s
broken.
Summary of Contents for LE43U6500U
Page 13: ...3 4 LED Panel 12 Service Manual Model No V650HP1 PS6 ...
Page 20: ...4 Factory Mode adjustment ...
Page 21: ...4 Factory Mode adjustment 4 2 1 Picture ...
Page 22: ...4 Factory Mode adjustment 4 2 2 SOUND ...
Page 31: ...6 Trouble Shooting Main Board general picture ...
Page 34: ...4 Factory Mode adjustment 4 2 5 CHANNEL SETTING ...
Page 35: ...4 Factory Mode adjustment 4 2 4 GENERAL SATTING ...
