Introduction
This manual provides detailed instructions for the safe and efficient operation of your Onkyo DX-C340 6-Disc Compact Disc Changer. Please read this manual thoroughly before using the unit and retain it for future reference.
Image: Front view of the Onkyo DX-C340 6-Disc CD Changer, showcasing the disc carousel and control panel.
Setup
1. Unpacking
- Carefully remove the DX-C340 unit and all accessories from the packaging.
- Verify that all components are present: the DX-C340 CD changer, remote control, and this instruction manual.
- Retain the original packaging for potential future transport or service.
2. Placement
- Place the unit on a stable, level surface away from direct sunlight, heat sources, and excessive dust or moisture.
- Ensure adequate ventilation around the unit to prevent overheating.
- Avoid placing the unit near other electronic devices that may cause interference.
3. Audio Connections
Connect the DX-C340 to your audio receiver or amplifier using RCA audio cables.
- Connect one end of the RCA audio cables to the "LINE OUT" (L/R) jacks on the rear of the DX-C340.
- Connect the other end of the RCA audio cables to an available "CD IN" or "AUX IN" (L/R) input on your receiver/amplifier. Ensure left and right channels are matched correctly.
4. Power Connection
- Plug the power cord into the AC inlet on the rear of the DX-C340.
- Plug the other end of the power cord into a standard AC wall outlet.
5. Remote Control Setup
- Insert two AAA batteries (not included) into the remote control, observing the correct polarity (+/-).
- The remote control is designed for infrared (IR) communication. Ensure a clear line of sight between the remote and the CD changer's front panel sensor.
Operating Instructions
1. Loading Discs
- Press the OPEN/CLOSE button on the front panel or remote control to open the disc tray. The carousel will rotate to expose disc slots.
- Place up to six compact discs (CDs) into the disc slots, with the label side facing up.
- To load additional discs while one is playing, press the DISC SKIP button to rotate the carousel to an empty slot.
- Press the OPEN/CLOSE button again to close the disc tray.
2. Basic Playback
- PLAY (►): Press to start playback of the loaded disc.
- PAUSE (∥∥): Press to temporarily stop playback. Press again to resume.
- STOP (■): Press to stop playback completely.
- SKIP (►►| / |◄◄): Press to skip to the next or previous track. Hold to fast forward or rewind within a track.
- DISC SKIP: Press to switch between loaded discs.
3. Programming Tracks
The DX-C340 allows programming of up to 40 tracks across multiple discs.
- Press the PROGRAM button.
- Use the DISC SKIP buttons to select the desired disc.
- Use the numeric keypad or SKIP buttons to select the desired track.
- Press PROGRAM again to add the track to the program list.
- Repeat steps 2-4 for all desired tracks.
- Press PLAY to start programmed playback.
- To clear the program, press STOP twice or open the disc tray.
4. Repeat Modes
The unit offers multiple repeat modes:
- REPEAT 1: Repeats the current track.
- REPEAT DISC: Repeats the current disc.
- REPEAT ALL: Repeats all loaded discs.
- REPEAT PROGRAM: Repeats the programmed sequence.
- Consult the remote control or front panel for additional repeat options, which may include random or shuffle play.
5. Music File Memory (204-Disc)
The DX-C340 features a 204-disc music file memory, allowing you to store preferred playback settings or track information for specific CDs. Refer to the detailed instructions in the full manual for advanced usage of this feature.
Maintenance
1. Cleaning Discs
- Always handle discs by their edges.
- If a disc is dirty, wipe it gently with a soft, lint-free cloth from the center outwards. Do not use abrasive cleaners or solvents.
- Ensure discs are dry before loading them into the changer.
2. Cleaning the Unit
- Disconnect the power cord before cleaning.
- Wipe the exterior of the unit with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampened with water and a mild detergent, then wipe dry immediately.
- Do not use abrasive pads, scouring powder, or solvents (e.g., alcohol, benzene, paint thinner) as they may damage the finish.
- Avoid spraying cleaning liquids directly onto the unit.
3. General Care
- Do not block ventilation openings.
- Avoid exposing the unit to extreme temperatures or humidity.
- If the unit will not be used for an extended period, disconnect it from the power outlet.
Troubleshooting
Before contacting service, please check the following common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord disconnected; outlet not active. | Ensure power cord is securely plugged in. Check the wall outlet with another device. |
| No sound | Audio cables incorrectly connected; receiver/amplifier input not selected; volume too low. | Verify RCA cable connections. Select the correct input on your receiver. Increase volume. |
| Disc does not play or skips | Disc is dirty, scratched, or inserted incorrectly; unit lens is dirty. | Clean the disc. Ensure the disc is inserted label-side up. Try another disc. If issue persists, professional cleaning of the lens may be required. |
| Disc tray does not open/close smoothly | Obstruction in the tray mechanism; mechanical issue. | Check for any foreign objects. Do not force the tray. If it does not close completely, a gentle push may be needed, but persistent issues may require service. |
| Remote control not working | Batteries depleted or inserted incorrectly; obstruction between remote and unit. | Replace batteries, ensuring correct polarity. Remove any obstructions. Ensure you are within range and pointing the remote at the unit's sensor. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Onkyo |
| Model Name | DX-C340 |
| Number of Discs | 6 (Multi-play carousel) |
| Connectivity Technology | Infrared (for remote control) |
| Special Feature | Anti-Skip Protection |
| Supported Audio Format | CD (Digital) |
| Connector Type | RCA (Analog Line Output) |
| Number of Channels | 2 |
| Digital Converter | SM5877AM, 1-bit, 8 x oversampling |
| CD Mechanism | KSM-213CCM |
| Frequency Response | 5Hz - 20kHz |
| Signal-to-Noise Ratio (S/N) | 96dB (Dynamic Range: 96dB) |
| Total Harmonic Distortion (THD) | 0.005% (1kHz) |
| Line Output | 2V |
| Features | 40-Track Programming, 204-Disc Music File Memory, 8-Times Oversampling Digital Filter, Proprietary AccuPulse Quartz System, Remote Control |
Note: Specifications are subject to change without notice for product improvement.
Warranty and Support
For warranty information, please refer to the warranty card included with your product or consult the retailer from whom you purchased the Onkyo DX-C340. Specific warranty terms and conditions may vary by region and retailer.
For technical support or service inquiries, please contact your authorized Onkyo dealer or visit the official Onkyo website for contact information in your region. Please have your model number (DX-C340) and serial number ready when contacting support.