ONKYO Sound Bar SB3220 – How to setup connections – Audio system – repair and service

Category: Audio system Repair and Service 

Contents of this article 

  • Optical cable connection
  • Power supply connection 
  • Stereo Jack connection  


ONKYO SB3220

Sound bar location
There are two options to locate your sound bar for optimum performance.
# On the table top located in front of your TV
# On the wall mounted below the TV using size(4x30mm) screws Connecting audio sources your sound bar
Connecting via RCA-3.5mm Stereo Jack cable
# Using the RCA-3.5mm Stereo jack cable provided, connect the matching color (red/white) plug to your source device’s composite (red/ white) RCA audio out jack. Then connect the 3.5mm connector plug into the 3.5mm input connector jack on the back of the sound bar.
# You can also use the RCA - 3.5mm stereo jack cable provided to connect to the output port of any device that has a 3.5mm “audio out” port and then connect the other end of the cable (RCA red/white) connectors to the back of the sound bars component (red/white) RCA input jacks.

Connecting via the Toslink digital optical cable
# Using the Toslink optical cable, plug one end into your source device’s optical output jack and the other end into the digital input jack on the back of your sound bar. Connecting via to your sound bar
# Press and hold the Input button for 3-5 seconds to place the sound bar in the BT search mode. The blue LED on the front of the sound bar will blink rapidly until the device searched for is paired to the sound bar.
Connecting external powered subwoofer
# Connect external (powered) subwoofer with an RCA subwoofer cable (not provided) from the subwoofer’s Sub-Out (or Sub-In depending on the external subwoofer) RCA jack to the Sub-Out RCA jack on the rear of the sound bar. The Bass +/- buttons on the remote control can be used to increase/decrease the bass level of the overall sound bar/subwoofer system.
Connecting power to your sound bar
# Connect the DC(18V/2.5A) power connect to the back of your sound bar, then plug in the wall supply into an AC (100~240V 50/60Hz) outlet

Sound bar controls
Sound bar buttons

1. Power Turns the sound bar On/Off.
2. Input Toggles through all 4 inputs (RCA/AUX/OPTICAL/BT).
3. Vol -- Decrease the volume level of the sound bar.
4. Vol+ Increases the volume level of the sound bar.
Note: Press and hold both Vol +/- at the same time will Mutes the bar. To un-Mute, press the Vol- or Vol+ buttons on the sound bar or the remote control.

Remote control buttons
Power Turns the sound bar On/Off.
Input Toggles through all 4 inputs (RCA/AUX/OPTICAL/BT).
Vol - Decreases the volume level of the sound bar.
Vol+ Increases the volume level of the sound bar.
Mute Mute all the sound from sound bar.
Bass-- Decreases the bass level of the sound bar.
Bass+ Increases the bass level of the sound bar.