Read LG 42LF7300 Service Manual online
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ADJUSTMENT INSTRUCTION
1. USB DOWNLOAD
To update the system software, use only the “USB IN SERVICE ONLY” jack on the rear of the TV.
Otherwise you will fail to update.
Otherwise you will fail to update.
(The USB IN jack on the side of the TV works for the music or photo service.)
1-1) sub Micom Download
a)
Put the
“hmx_lf7300.hdf”
file
into the USB.
b)
Connect the USB device to the
“USB IN”
jack on the side of the TV.
c)
Power Off and Power On.
d)
Then, the new software is upgrading automatically
( Be cautious that you do NOT power off during SW uprade)
( Be cautious that you do NOT power off during SW uprade)
e)
Finishing the version uploading, you have to pull out USB stick , then turn off the
AC Power
.
f)
Turn on the
AC Power
and check the SW version that you updated.
z SW upgrade is done successfully, the TV is lost all channel data.
In this case, you have to channel recover.
if all channel data is cleared, you didn’t have a DTV/ATV test on production line.
if all channel data is cleared, you didn’t have a DTV/ATV test on production line.
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