LG LCS500UN, Service Manual

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1-6
FIRMWARE UPGRADE METHOD
[ MAIN AND CD/USB FIRMWARE UPGRADE ]
1. Con fi rmation of version information
• Change the Source of audio set to tuner.
(Default: tuner)
• Turn power off using power key.
•
Press power key for 5 s.
(After power on, continue pressing)
• After 5 s, beep sound rings two times.
Then version information would show up at
display.
• In order to check version of MAIN and CD/USB
system, Press band key.
2. Upgrade Program reading
• Insert update CD or USB in ACC on state and
then
LCS Model
CD : [Reading
→
File Check
→
Download?]
USB : [USB Check
→
Download?]
LCF Model
CD : [Reading
→
File Check
→
MN(CD) Down?]
USB : [USB Check
→
MN(CD) Down?]
is displayed in order.
3. Upgrade start
• In order to start upgrade,
Press
LCS Model
Preset 1 Key,
LCF Model
Play/Pause Key
until “CHECK CD” Display on the LCD.
4. Upgrade progress display
• Upgrade is in progress now.
[ CHECK CD
→
ERASE
→
WRITE
→
I-VRF
→
D-VRF ]
5. Upgrade Completion
• When Upgrade fi nished, the display shows up
“DOWN OK”. After a while, the audio set is
reset automatically.
• Caution!
If power is off on the way of upgrading
fi rmware, the set can’t be recovered.
Therefore pay lots of attention for power not to
be off.
[ BLUETOOTH FIRMWARE UPGRADE ] - OPTIONAL
1. Insert the burned disc into the LCS700/LCF800, and wait until “DOWNLOAD?” is on LCD.
2. Press “1 ” key for about 1 s, then starts the upgrading process with double beep sound.
3. Upgrading Process is as below
Initial
→
Link establishment(LINK ESTAB)
→
DFU initial(DFU INIT.)
→
Link establishment (LINK ESTAB)
→
DFU Preprocess (PREPROCESS)
→
Writing
→
Wait 20Sec
→
Finalize
4. When Upgrading is completed, the upgrading CD is ejected automatically.
5. When the operation malfunctions, “DFU ERROR” appears on LCD for 2 s,
then the upgrading CD is ejected automatically.
6. Download won’t be proceeded if the existing fi rmware is identi fi ed as same as that of the fi le downloaded.
If so, “UNNECESSARY” or “UNNEEDED” is on LCD for 2 s, then the upgrading CD is ejected
automatically.
7. It takes 5~6 min to download.