BDT 20 - BDT 2 - Harman Kardon Audio Service Manual (repair manual). Page 8

 
Preparation to upgrade software 
1.Power on the set and press “settings” button on the remote. 
2.Press left cursor to select "Information" .check the Software Version. 
3. According the software version to check the correct software in UPG folder. 
    For example:if the software version is display “BDT20 XX.XX.XX”,the correct 

software is “BDT20_BD.bin”,otherwise the software is “BDT2_BD.bin”.   

4.Start the CD Burning software and create a new CD project (Data Disc),copy 

the UPG folder to the root directory of data disc. 

5.Burn the data onto a blank CDR 
 
Procedure for software upgrade: 

A) Upgrade software via CDR: 
1.Power on the set and insert the prepared Upgrade CDR. 
2.The set will starts reading disc . 
3.When the set recognize the disc,press Setting-->System-->System 
Upgrade-->Disc, follow the instructions on the screen. 
4.About 3 minute later,the set will automatically turn off when upgrading 
completed. 
 
B) Upgrade software via USB Flash Drive: 
1.Decompress the packed file, copy the UPG folder to the root directory of a 

USB memory device. 

2.Insert the USB, the player will recognize the USB device automatically. 
3.Press Setting-->System-->System Upgrade-->Disc, follow the instructions on 

the screen. 

4.About 3 minute later,the set will automatically turn off when upgrading 
completed. 
 
Read out the software versions to confirm upgrading 
1.Power on the set and press “settings” button on the remote. 
2.Press left cursor on remote control to select "Information" .The software 
version and other informations will be displayed on the TV screen as follows: 
 
Software Version: BDTX XX.XX.XX 
Mac Address:XX-XX-XX-XX-XX-XX 
 
Caution: The set must not be pow er off during upgrading, Otherwise the 

Main board will be damaged entirely. 
 

4-1

harman/kardon

BDT 2 / BDT 20 Service Manual

Page 8 of 37