1. Introduction
Thank you for purchasing the ONKYO FR-N9NX CD/MD Tuner Amplifier. This manual provides essential information for the proper setup, operation, and maintenance of your audio system. Please read it thoroughly before use and retain it for future reference.
The ONKYO FR-N9NX is a versatile mini component system designed for high-quality audio playback. It features a USB Direct Play terminal for comfortable playback of PC sound sources, a high-rigidity body with a high-grade aluminum panel and aluminum volume knob, and an authentic discrete configuration amplifier. It incorporates Wide Range Amplifier Technology (WRAT) developed for high-end amplifiers, ensuring superior sound performance. The unit includes a built-in FM/AM tuner with 30 station memory (with FM auto preset capability) and an optimum gain volume for rich sound quality at low volumes. It also provides abundant input/output terminals for system expansion with various optional devices such as an iPod dedicated dock or cassette deck.
2. Important Safety Instructions
To ensure safe operation and prevent damage, please observe the following precautions:
- Power Source: Connect the unit only to the specified AC voltage.
- Ventilation: Ensure adequate ventilation. Do not block ventilation openings.
- Water and Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids, such as vases, on the unit.
- Heat: Keep the unit away from heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Unplug the unit from the wall outlet before cleaning. Use a dry cloth for cleaning.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Placement: Place the unit on a stable, level surface. Avoid placing it in direct sunlight or near strong magnetic fields.
3. Setup and Connections
3.1 Unpacking
Carefully remove the unit from its packaging. Check that all accessories are present. Keep the packaging materials for future transport.
3.2 Connecting Speakers
Connect your speakers to the speaker terminals on the rear panel of the FR-N9NX. Ensure correct polarity (positive to positive, negative to negative) for optimal sound quality.

Image 1: Rear panel connections of the ONKYO FR-N9NX. This view highlights the speaker terminals (red and black posts), analog audio inputs (RCA jacks for TAPE IN/OUT, VIDEO IN, UNIVERSAL PORT), a digital optical input, and FM/AM antenna connections. Proper connection of speakers and audio sources is crucial for system functionality.
3.3 Connecting Audio Sources
- Analog Devices: Use RCA cables to connect external analog audio devices (e.g., a cassette deck, turntable with a pre-amp) to the TAPE IN or VIDEO IN jacks.
- Digital Devices: Connect digital audio sources (e.g., a TV, game console) to the OPTICAL DIGITAL IN terminal using an optical cable.
- USB Devices: For direct playback of digital audio files, insert a USB storage device into the front USB port.

Image 2: Front panel USB port with a USB flash drive inserted. This port allows for direct playback of audio files stored on compatible USB devices.
3.4 Antenna Connection
Connect the supplied FM and AM antennas to their respective terminals on the rear panel for radio reception.
3.5 Power Connection
After all other connections are made, plug the power cord into an AC outlet.
4. Operating Instructions
4.1 Basic Operation
- Power On/Off: Press the ON/STANDBY button on the front panel or the remote control to turn the unit on or off.
- Source Selection: Use the INPUT/CURSOR buttons on the front panel or the dedicated source buttons (CD, MD, FM/AM, USB, LINE IN) on the remote control to select your desired audio source.
- Volume Control: Rotate the VOLUME knob on the front panel or use the VOLUME +/- buttons on the remote control to adjust the sound level.
4.2 CD Playback
- Press the CD button to select the CD source.
- Press the OPEN/CLOSE button to open the CD tray.
- Place a CD with the label side up in the tray and press OPEN/CLOSE again to close it.
- Press the PLAY button to start playback.
4.3 MD Playback and Recording
- Press the MD button to select the MD source.
- Insert an MD into the MD slot.
- Press the PLAY button for playback.
- For recording, select the desired input source (e.g., CD, Tuner, LINE IN), then press the REC button on the MD section.
4.4 Tuner Operation (FM/AM)
- Press the FM/AM button to select the tuner source.
- Use the TUNING +/- buttons to manually tune to a station.
- To automatically scan for stations, press and hold the TUNING +/- buttons.
- To store a station, tune to the desired frequency, then press MEMORY followed by a preset number.
4.5 USB Playback
- Insert a USB storage device into the front USB port.
- Press the USB button to select the USB source.
- Use the navigation buttons on the remote control to browse and select files.
- Press the PLAY button to start playback.
4.6 Remote Control
The included remote control provides full functionality for the FR-N9NX. Ensure batteries are correctly inserted (2 AA alkaline batteries).

Image 3: Remote control for the ONKYO FR-N9NX. This remote allows for convenient control of all functions, including power, source selection, volume adjustment, CD/MD/USB playback, and tuner settings.
5. Maintenance and Care
- Cleaning the Unit: Wipe the unit with a soft, dry cloth. For stubborn dirt, dampen the cloth with a mild detergent solution, then wipe dry. Do not use abrasive cloths, thinners, alcohol, or other chemical solvents, as they may damage the finish.
- Cleaning Discs/MDs: Use a clean, soft, dry cloth to wipe discs/MDs from the center outwards. Do not use solvents or abrasive cleaners.
- Ventilation: Regularly check that the ventilation openings are not blocked by dust or debris.
- Power Cord: Handle the power cord carefully. Do not pull it to disconnect from the outlet.
6. Troubleshooting
If you experience problems with your FR-N9NX, refer to the following table for possible solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord unplugged; Power outage | Check power cord connection; Check household circuit breaker |
| No sound | Incorrect input source selected; Volume too low; Speaker cables disconnected | Select correct input; Increase volume; Check speaker connections |
| CD/MD not playing | Disc/MD inserted incorrectly; Disc/MD dirty or scratched; Lens dirty | Reinsert disc/MD correctly; Clean or replace disc/MD; Consult service for lens cleaning |
| Poor radio reception | Antenna not connected or poorly positioned | Connect antenna securely; Adjust antenna position for better reception |
| Remote control not working | Batteries depleted or inserted incorrectly; Obstruction between remote and unit | Replace batteries; Ensure correct polarity; Remove obstructions |
If the problem persists after trying these solutions, please contact qualified service personnel.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Onkyo |
| Model Number | FR-N9NX(S) |
| Connectivity Technology | USB |
| Color | Silver |
| Item Weight | 600 grams |
| Wattage | 13 W |
| Battery | 2 AA batteries (for remote control) |
| Battery Type | Alkaline |
| ASIN | B005G9B2TS |
| Date First Available on Amazon.co.jp | 2011/8/7 |
8. Warranty Information
Warranty information for the ONKYO FR-N9NX is typically provided with the product at the time of purchase. Please refer to the separate warranty card or documentation included in your product package for details regarding warranty coverage, terms, and conditions. Keep your proof of purchase for warranty claims.
9. Customer Support
For technical assistance, service, or further inquiries regarding your ONKYO FR-N9NX, please refer to the contact information provided in your product documentation or visit the official ONKYO website for your region. Support resources may include FAQs, troubleshooting guides, and contact details for customer service representatives.





