- 20 -
Please
follow
these
steps:
a)
Copy
the
USBUpgrade.bin
to
the
root
directory
of
an
USB
disk.
Insert
the
USB
disk
to
the
board.
b)
Connect
the
board
with
your
PC
via
the
debug
tool.
Open
the
software
of
SecureCRT
in
your
PC.
c)
AC
power
on
the
board
while
pressing
the
Enter
key
of
your
PC.
d)
Check
that
there
is
a
“nugget#”
in
the
SecureCRT
window.
e)
Input
“usb
start
1”
and
press
Enter
key.
Note:
If
it
says
“Error”
like
below
picture,
please
input
“usb
start
0”
and
press
Enter
key.
f)
Input
“ustar”
and
press
Enter
key.
g)
It
will
be
upgraded
automatically
and
restart.
4.2 Write Mboot software to nand flash
1.
For
the
board
which
only
says
“Uart
bus
off”,
we
should
write
the
Mboot
file
firstly
and
then
upgrade
the
USBUpgrade.bin
with
serial
command
following
section
1.
For
the
Mboot
file
please
follow
these
steps:
a)
Connect
the
board
with
your
PC
via
the
debug
tool.
Open
the
MSTV_Tool
in
your
PC.
Summary of Contents for LTDN40K221TWAM
Page 11: ...11 Side terminal 1 Side terminal 2...
Page 12: ...12 Bottom...
Page 14: ...14 TV Rear...
Page 16: ...16 Option Init...
Page 28: ...28...
Page 32: ...32...
Page 33: ...33 7 Schematic circuit diagram 8 Explode View...