Copyright © 2009 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only
Only for training and service purposes
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.
(The USB IN jack on the side of the TV works for the music or photo service.)
1-1) sub Micom & TV Software Download
a) Put the “hmx_lf7700.hdf” in the USB.
b) Connect the USB device to the
“USB IN” jack on the side of the TV.
32LF7700-ZC, 37LF7700-ZC 42LF7700-ZC, 47LF7700-ZC
c) Power Off and Power On.
d) Waiting until the new software upgrade is finished.
e) Fishing the version uploading, you have to put USB stick and
“AC Power” off.
f) After putting “AC Power” on and check updated version on your TV.
z If downloading version is more high than your TV have, TV can 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.
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