LG RHT497H, Service Manual

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1-7
UPGRADE THE MAIN & LOADER PROGRAM
1. MAKING UPGRADE DISC MAIN SW AND
LOADER SW
1) do Physical format as iSo9660 or Joliet file
system
2) don’t care about the cd volume label
3) write Main Sw file and loader Sw file on
root
Main Sw file name is :
- lG_rh300_uPdate_Pal.roM
loader Sw file name is :
- dvdS620.rs6
- yaSMS620
2. UPGRADE MAIN S/W
1) insert upgrade diSc into the Set
2) Press “dvd” button on the remocon
3) after disc reading, cd data inspection Process.
oSd like below :
4) if cd data inspection ok, there will be mes -
sage on oSd as below :
5) Press “Play” button to update S/w and anoth -
er button to cancel.
6) Main S/w under updated.
do not turn off the power during updating proc -
ess...!
7) if updating succeed, tray disc will be opened.
take the disc and turn off the power.
8) turn on the power, and check the Main S/w
version.
3. UPGRADE LOADER S/W
1) insert upgrade diSc into the Set
2) Press “dvd” button on the remocon
3) after disc reading, cd data inspection Process.
oSd like below :
4) if cd data inspection ok, there will be message
on oSd as below :
and disc tray will be opened. take off the disc