#.It's improvement of performance;
1. While testing of LG in-house model, sometimes power on/off has wrong operation.
This problem was not happen to outsourcing model, but to avoid hidden problem,
same fixing method is applied.
2. In production line, there are reading error in outside of DVD-RW or VCD disc with 1% rate. 
To prevent this problem, servo part is updated.

#. Firmware Version : V3.41

#. Countermeasure 
: Updating by using the newest firmware.
Refer to the attatchment for updating method. 

# Program upgrade method
[Current system information display] 
LOCATE CURSOR IN SETUP > DISPLAY > TV ASPECT > 16:9
PRESS 1 3 9 7 1 3 9 + ENTER 

[Program Update method] 
Make directory and file like this. 
Insert Ħ°LG_DV_LV900F52E00EHB.ROMĦħ into root folder. And make update CD.

1. Burning new F/W in root directory of CD-R or CD-RW Disc.
2.Insert the burned disc into the Set, after loading disc and when tray is open, take off the disc and press PLAY KEY, then, It`s upgrading by itself.When upgrading is finished, the Set turn off and on by itself.
3. Enter the System information such as Step1 again.
4. Check Updated Model name, Micom Ver and Servo Ver.
5. If step7 is OK, press Enter key and Power key to turn off the set using RCU.
8. Disc upgrade is over. . 