Onkyo HTP 678 Owner's Manual

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Year 2014

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Onkyo HTP 678 Specification

The Onkyo HTP-678 is a high-performance home theater package designed to deliver an immersive audio experience. This system includes a set of compact yet powerful speakers that consist of front, center, and surround channel units, along with a robust subwoofer. Each speaker boasts a meticulously engineered design, ensuring clear and precise sound reproduction across a wide frequency range. The front and surround speakers are equipped with full-range drivers, providing well-balanced acoustics that enhance the clarity of movie dialogues and music vocals. The center channel speaker complements this setup by delivering crisp and focused dialogue, crucial for an engaging cinematic experience.

The subwoofer is powered by a built-in amplifier, which enhances low-frequency effects, allowing listeners to feel the deep bass in movies and music. In terms of connectivity, the HTP-678 system is designed to integrate seamlessly with various AV receivers, thanks to its standard speaker terminals, ensuring compatibility with a wide range of home audio equipment.

The system's sleek and stylish design allows it to blend effortlessly into any home decor. It is constructed with high-quality materials that not only contribute to the aesthetic appeal but also ensure durability and long-lasting performance. The compact size of the speakers makes them suitable for various room sizes, providing flexibility in setup and placement.

Overall, the Onkyo HTP-678 is engineered to meet the demands of audio enthusiasts seeking a reliable and high-quality home theater solution. It combines advanced acoustic technologies with a user-friendly design, making it an ideal choice for those looking to enhance their home entertainment experience.

Onkyo HTP 678 F.A.Q.

How do I connect the Onkyo HTP-678 to my TV?

To connect your Onkyo HTP-678 to your TV, use an HDMI cable. Connect one end to the HDMI OUT port on the receiver and the other end to an HDMI IN port on your TV. Ensure the TV is set to the correct HDMI input.

What should I do if there's no sound coming from the speakers?

Check that all speaker connections are secure and that the receiver is not muted. Verify that the correct input source is selected and ensure the volume is turned up. If the issue persists, try resetting the receiver.

How can I perform a factory reset on the Onkyo HTP-678?

To perform a factory reset, press and hold the CBL/SAT button on the receiver while pressing the ON/STANDBY button. Release both buttons when the display shows 'Clear'. This will reset all settings to their defaults.

What are the steps to calibrate the speakers using the AccuEQ feature?

Connect the supplied microphone to the setup mic jack on the receiver. Follow the on-screen instructions to start the AccuEQ calibration process, which will automatically adjust the speaker settings for optimal sound.

How do I update the firmware of the Onkyo HTP-678?

Ensure the receiver is connected to the internet. Press the HOME button, navigate to "Firmware Update" in the setup menu, and follow the on-screen instructions. Ensure the receiver remains powered during the update.

Can I use a universal remote to control the Onkyo HTP-678?

Yes, you can program a universal remote to work with the Onkyo HTP-678. Refer to the remote's manual for programming instructions, using the appropriate codes for Onkyo devices.

What should I do if the receiver overheats?

Ensure the receiver is placed in a well-ventilated area and not stacked with other electronic devices. Clean any dust from the vents. If overheating persists, consider using an external fan to improve airflow.

How can I connect my smartphone to the Onkyo HTP-678 for audio playback?

You can connect your smartphone via Bluetooth. Activate Bluetooth on the receiver and your smartphone, then pair the devices. Once paired, you can stream audio directly from your smartphone to the receiver.

Is it possible to expand the speaker setup beyond the included speakers?

Yes, you can expand your speaker setup. Ensure additional speakers match the impedance and power handling capabilities of the receiver. Connect them to the corresponding speaker terminals on the receiver.

How do I troubleshoot network connection issues with the Onkyo HTP-678?

Check that the receiver is within range of your router and that the Wi-Fi password is correct. Restart your router and receiver. If using a wired connection, ensure the Ethernet cable is securely connected.