ONKYO TX-NR636 User Manual

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Important: The power cord must be connected only after all 

other connections are completed.

The unit has many HDMI jacks on its rear panel and each 

of them corresponds to an input selector button of the same 

name on the front panel. For example, a Blu-ray Disc player 

will be connected to the IN 1 jack and the BD/DVD button 

on the front panel will be used to listen to the playback 

sound (if the player is CEC compliant, input will be switched 

automatically). If you add another Blu-ray Disc player, you 

can use any other jack than IN 1. It is possible to change 

assignment of the input jacks and input selector buttons. 

For how to make settings, see the Advanced Manual (http://

www.onkyo.com/manual/txnr636/adv/en.html).
To connect the TV and the unit, connect the HDMI OUT 

MAIN jack of the unit and the HDMI IN jack of the TV 

using an HDMI cable. With this connection, it becomes 

possible to display the setting screen of the unit on the 

TV or transmit video/audio signals from the player to the 

TV. If your TV supports ARC (Audio Return Channel), it 

is possible to play the TV sound with the AV receiver's 

speakers with this connection only. If your TV does not 

support ARC, you need, in addition to the HDMI OUT MAIN 

jack connection, a digital optical cable connection between 

the digital audio out optical jack of the TV and the DIGITAL 

IN OPTICAL jack of the unit or an analog audio cable 

connection between the audio output jack of the TV and the 

TV/CD analog audio input jack of the unit.

Connection with a TV not supporting ARC

¼

¼

Select an appropriate 
connection for your TV.

The unit supports the HDMI Through function that allows 

transmission from players to the TV even if the unit is in 

standby. You have to modify the settings to enable the 

input selection link with CEC compliant device, connection 

with ARC compatible TV, and HDMI Through function. See 

TV

Blu-ray Disc/ 

DVD player

Set-top box/Digital  

video recorder, etc.

Satellite/Cable  

set-top box, etc.

Game console

Personal computer

HDMI cable

To use the ARC function, connect to the 
ARC compatible HDMI jack of the TV.