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
(1.18V,1.5V)
•
3.Verify
if
LDO
have
the
right
output
(3.3V,1.2V)
•
3.Verify
if
the
Mainchip(MSD6308RTEM),
DDR,
AudioAMP…solder
well;
•
4.Verify
if
the
FLASH(U1202)
has
the
right
software
and
work
well;
•
5.Verify
if
the
Y201(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.
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