harman/kardon – BDS275 – BDS577 – How to update the firmware – Region Codes – Power Supply and Amp Schematic

BDS 275 / BDS 277

2.1-channel 3-D Blu-ray disc 2x65 watts receiver

BDS 575 / BDS 577

5.1-channel 3-D Blu-ray disc 5x65 watts receiver

Region code (BD/DVD)
Area where sold:
USA, Canada: A/1
Europe, Middle east: B/2
Korea, s. e. asia: A/3
Mexico, Latin america: A/4
Australia, New Zeland: B/4
Russia, India: C/5
China: C/6.

Supported Media Codecs

The BDs receiver can play media recorded in the following audio/video codecs:

• Mpeg 1, Layer 1

• Mpeg 2, Layer 2

• Mpeg 2, Layer 3

• H.264

• VC-1

• Mp3 (from CD-R/Rw, DVD+R/+Rw, BD-R/Re and UsB)

• Jpeg (from CD-R/Rw, DVD+R/+Rw, BD-R/Re and UsB)

• Divx 3.x/4.x/5.x (from CD-R/Rw, DVD+R/+Rw and UsB)

Power Supply and Amplifier Circuit Diagram

Front Left and right amp

Surround Left and Right amp

Amp CE

Click on the pircures to magnify

Software upgrade

Preparations to upgrade software

1) Switch the BDS unit ON, then press the "SETTINGS" and “Left” Buttons on the Remote Control to check the software version.

2) Download the newest upgrade package from the web site.

3) Unzip the software package, and copy the “UPG” folder to the root folder of a USB memory stick.

4) If you do not hav Procedure for software upgrade:

A) Upgrade software via USB memory stick:

1) Insert the USB stick in the USB connector on the front panel.

2) Switch the BDS unit ON and press the "SETTINGS" Button on the Remote Control.

3) In the menu system, navigate to “General Settings”-> “System” -> “System Upgrade” -> “USB”.

4) Press “OK” to start upgrade.

5) The BDS shuts down when the upgrade has been successful. This takes about two minutes.e a USB stick, burn the UPG folder onto a blank CDR.

B) Upgrade software via CDR:

1) Switch the BDS unit ON.

2) Insert the upgrade CD and press the"SETTINGS" Button on the Remote Control.

3) In the menu system, navigate to “General Settings”-> “System” -> “System Upgrade” -> “Disc”.

4) Press ‘OK” to start upgrade.

5) The BDS shuts down when the upgrade has been successful. This takes about five minutes.

C. Confirm the upgrade:

Press the "SETTINGS" and “Left” Buttons on the Remote Control to check the new software version info, and confirm the upgrade