T
The Daily Insight

What to know about Onkyo AV receiver ht-r640?

Author

David Ramirez

Published Apr 19, 2026

What to know about Onkyo AV receiver ht-r640?

HT-R640 Instruction Manual Thank you for purchasing an Onkyo AV Receiver. Please read this manual thoroughly before making connections and plugging in the unit. Following the instructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new AV Receiver. Please retain this manual for future reference.

What are the universal remote control codes for Onkyo?

Onkyo remote control codes. If you trying to control your Onkyo with a universal remote control, here are the remote codes to operate your Onkyo. If the first codes do not work, keep trying the numbers down the list. Onkyo Receiver Tuner Codes. 5077. 5078. 5079.

What do you need to know about Onkyo AV receivers?

Thank you for purchasing an Onkyo AV Receiver. Please read this manual thoroughly before making connections and plugging in the unit. Following the instructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new AV Receiver. Please retain this manual for future reference. Contents

HT-R640 Instruction Manual Thank you for purchasing an Onkyo AV Receiver. Please read this manual thoroughly before making connections and plugging in the unit. Following the instructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new AV Receiver. Please retain this manual for future reference.

How to download an Onkyo Hi Fi AV receiver?

> Downloads Home AudioHi Fi ComponentsLifestyle AudioSpeakersAV Receivers Home Audio Hi Fi Components Lifestyle Audio Speakers AV Receivers Find By Model Number Submit Sort By… AlphabeticalNewest to Oldest Amplifiers A-5VL Manuals Owner’s Manual-English Owner’s Manual-Spanish/French A-9010 Manuals Owner’s Manual-English

Where can I buy an Onkyo home theater system?

Home Audio Home Theater Systems CD Players Amplifiers Refurbished About Us Support Contact Support Product Registration Returns Order Parts Downloads Knowledge Base / FAQs Find a Dealer Authorized Online Resellers Warranty My Account Search 0 Downloads Home > Downloads Home AudioHi Fi ComponentsLifestyle AudioSpeakersAV Receivers Home Audio

What are the different types of onkyo speakers?

Home AudioHi Fi ComponentsLifestyle AudioSpeakersAV Receivers Home Audio Hi Fi Components Lifestyle Audio Speakers AV Receivers Find By Model Number Submit Sort By… AlphabeticalNewest to Oldest Amplifiers A-5VL Manuals Owner’s Manual-English Owner’s Manual-Spanish/French A-9010 Manuals Owner’s Manual-English Owner’s Manual-Spanish/French A-9050

What is the instruction manual for the Onkyo ht-r690?

HT-R690 Instruction Manual Thank you for purchasing an Onkyo AV Receiver. Please read this manual thoroughly before making connections and plugging in the unit. Following the instructions in this manual will enable you to obtain optimum performance and listening enjoyment from your new AV Receiver. Please retain this manual for future reference.

Why is the rear of my Onkyo speaker not working?

Remember, you have to set the receiver to a surround mode or no sound will come from the rears, possibly even the test tones. Then make sure the volume of the rears isn’t turned all the way down. Surround receiver sound levels tend to be shown different from what you expect.

Why does my Onkyo TV not pass through?

The Onkyo receiver is part of an HT system, HT-R590. After a month or so I first noticed that while the SAT/CAB input for HDMI on the receiver was set to ‘pass through’, nevertheless, when the receiver was off, occasionally when trying to turn on only the cable box and TV one got video on the HDTV (Mitsubishi WD-82740) but no sound.

How to set up rear speakers on Onkyo 5?

First, you have to go into the speaker setup menu (you’ll just have to consult the manual) and make sure the rear speakers are turned on. They should be set to “Small”. then you have to select a surround mode for the CD input on the receiver. It may just be set to stereo or direct.

Can a Onkyo receiver work with a Samsung UHDTV?

I have experienced a problem with my Onkyo receiver (TX-NR626) where the Pass Through is set, the light is on and I can still get the cable tv signal from the receiver over to the Samsung UHDTV. Both units support ARC and the connection is made by HDMI to the ARC port on the tv.

How does HDMI auto work on a TV?

“AUTO”: Input signal from all components connected to HDMI IN jacks is displayed on TV. “Auto (Eco)”: Input signal from all components connected to HDMI IN jacks is displayed on TV. Selecting this setting when using CEC-compatible TV, the power consumption on standby is reduced.

Where does the audio come from on a HDMI TV?

In such case, audio is output from the speakers of the unit. Operating the MASTER VOLUME control of the unit when “Audio TV Out” or “HDMI CEC (RIHD)” is set to “On” and you are listening to the audio through the speakers of your TV, outputs audio from the unit.

Can a HDMI cable be connected to a Arc TV?

Connection to the ARC compatible TV using HDMI cable allows to listen to the TV sound from the speakers connected to the unit. To use this function, set “HDMI CEC (RIHD)” to “On” in advance. “Auto”: When using this function. “Off”: When not using this funtion.

Why did my HDMI output on my Receiver stop working?

This A1010 is in a cabinet, top shelf with Coolerguys dual 120mm fans w/thermal control set to come on at 78°F, positioned directly above the A1010 top grill. The HDMI Output on my Yamaha RX-V667 stopped working today.

Why is my Yamaha rx-v685 HDMI output not working?

It appears my output problem started when I accidentally pressed the HDMI Out button when trying to power off the unit without knowing it. The HDMI Out button is dangerously close to the power button and easy to hit accidentally.

Can you hook up a HDMI receiver to a TV?

I routed all HDMI directly to the receiver from all components and had 1 HDMI out to the TV. Everything worked with this setup except the Nextbox. No video or audio from the input that I had it plugged into on my receiver.

Is there a HDMI port in my Rogers box?

Changed video output on cable box to 720, no change. No audio or video through any HDMI port with Rogers box. DVD works, Android works. I’m stumped. DVD is blu ray so I’m sure the receiver is quite capable of 1080p.