Read LG 42LE5400 / 42LE5700 / 42LE5750 Service Manual online
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5) Copy SW upgrade image “
xxxxxx.hdf
” to an USB memory stick.
File name Ex.)
Model Name
Upgrade image file name
32/42LE5700
32/37/42/47LE5400
32/37/42/47LE5400
32/42LE5750
LE5700.hdf
LE5400.hdf
LE5400.hdf
LE5750.hdf
6) Connects USB memory stick to the side jack(USB IN) of TV
7) Turn Off and On TV with using AC-Power.
8) After Turning on TV, Software upgrade will be done automatically.
9) After upgrading SW, turn off TV and wait 20 second
10) Turn on TV, Check SW version in Diagnostics of SETUP
1.2. Function Check
1) Check display and sound.
2) Check Input and Signal items.(cf. work instructions)
2) Check Input and Signal items.(cf. work instructions)
a)
TV & DTV
b)
AV(SCART, CVBS)
c)
COMPONENT(480i)
d)
RGB(PC : 1024 x 768 @60Hz)
e)
HDMI
f)
PC Audio In
3) Display and Sound Check is executed by Remote control.
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