BDS 280 (serv.man6) - Harman Kardon Audio Service Manual (repair manual). Page 6

Receiver Rear-Panel Connections 

5

BDS 280

NFC: Near field communication (NFC) is a set of standards for smartphones and similar 
devices to establish radio communication with each other by touching them or bringing 
them closer, usually no more than few inches. The NFC is the area on the front panel of 
the unit. You can tap on this area with NFC enabled device to pair, connect or disconnect 
with the unit.
Note:

•  The Bluetooth will not be paired, connected or disconnected automatically. 

It will wait for NFC device’s action.

•  The unit can be brought to operational mode by tapping on the NFC 

Eject button (on top of unit): Press this button to eject a disc from the BDS receiver’s 
built-in disc player. Before pressing this button, make sure no objects are blocking the 
disc-slot opening.
NOTE: If you do not remove the ejected disc within 90 seconds, it will auto-

matically re-load back into the disc player for protection.
Standby button: This button toggles the receiver between the ON and Standby modes. 
The unit enters the standby mode through the following:

•  Press and hold the power button for 2.5 sec on the front panel.
•  Press and hold the power OFF button on the remote control.
•  One touch standby via HDMI CEC by TV.
•  After one hour of inactivity.

The unit can be brought back to operational mode through the following

•  Pressing the Power/Eject/Source keys on front panel or remote control or 

external IR.

•  Wakeup command from HDMI CEC.
•  NFC tap.

shows logo on the screen when power on from standby mode.
Headphone jack: Insert the 1/8-inch (3.5mm) stereo mini connector from a set of 
headphones into this jack. 
NOTE: When a plug is inserted into the headphone jack, the BDS receiver’s 

tive.
Volume control: Volume can be adjusted by touching the ring. The volume will follow 
the finger movement. 
Important: Do not increase the receiver’s Volume control up to or past the 

damage the speakers.
USB: Gently insert a USB/iPad/iPod/iPhone to this slot.
Important: Orient the device’s plug so it fits all the way into the BDS 

Receiver Rear-Panel Connections 

1.   Main Power Switch 
2.  Antenna Air
3.  Speaker outputs
4.  Optical Digital Audio (S/PDIF) inputs
5.  Trigger Output
6.  AUX 1 input and AUX 2 input
7.  Subwoofer output
8.  Antenna Wi-Fi
9.  FM radio antenna output 

10.  Coaxial digital audio (S/PDIF) input
11.  IR Remote input
12.  HDMI output (ARC)
13.  HDMI 1/MHL input
14.  HDMI 2 input
15.  HDMI 3 (Apple) input
16.  USB input
17.  Wired networks (RJ-45) input
18.  WPS button
19.  AC Power input

Main Power switch: This mechanical switch turns the BDS receiver’s power supply ON 
or OFF. After you have made and verified all connections, set this switch to the       ON 
position. During normal use you will usually leave this switch set to ON; it cannot be 
turned ON or OFF using the remote control. To conserve energy when you are not going 
to be using the receiver for an extended period of time, set this switch to OFF.
Antenna  Air
Speaker output: Use the speaker wires supplied with the speakers to connect the 
satellite and centre speakers to the proper terminals.

•  The BDS 280 receiver has connections for two speakers: front left, front 

right.

Optical Digital (S/PDIF) Input: Connect the optical digital output of an audio only 
source component here. The signal may be a DolbyR Digital bit stream, a DTSR bit 
stream or a standard PCM digital-audio bit stream.
Trigger output 
AUX 1 and AUX 2 input: Connect you BDS 280 to other devices using the AUX cable 
here.
Subwoofer Output connector: Use the supplied mono RCA audio cable to connect 
this jack to the subwoofer’s Line-Level IN LFE jack.
Antenna Wi-Fi: Connect your Wi-Fi here.

Harman Kardon

BDS 280 + 580 Service Manual

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