1. Introduction
Thank you for purchasing the Riptunes Portable CD Player with AM/FM Radio, Model CDB204. This device is designed for portable audio playback, offering versatile options including CD playback, AM/FM radio reception, and auxiliary input for external audio sources. Please read this manual thoroughly before operating the unit to ensure proper use and to maximize your listening experience.

Image 1.1: Riptunes Portable CD Player (Model CDB204) with an external device connected.
2. Safety Information
- Do not expose the unit to rain or moisture to prevent fire or electric shock.
- Do not open the cabinet. Refer servicing to qualified personnel only.
- Avoid placing the unit near heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Use only attachments/accessories specified by the manufacturer.
- Unplug this unit during lightning storms or when unused for long periods of time.
- Dispose of batteries properly, following local regulations. Do not expose batteries to excessive heat.
3. Package Contents
Please check that the following items are included in your package:
- Riptunes Portable CD Player (Model CDB204)
- AC Power Adapter
- Instruction Manual
4. Product Overview
Familiarize yourself with the controls and features of your Riptunes Portable CD Player.

Image 4.1: Front and Side Panel Controls and Ports.
Front Panel Controls:
- CD Door: Open to insert or remove a CD.
- LED Display: Shows track number, radio frequency, or mode.
- POWER/PROGRAM Button: Press to turn the unit on/off. In CD mode, press to program tracks.
- PLAY/PAUSE (►/−−) Button: Press to start or pause CD playback.
- STOP (■) Button: Press to stop CD playback.
- SKIP/SEARCH (◀◀ / ►►) Buttons: Press to skip tracks on a CD. Hold to search within a track. In radio mode, press to tune.
- REPEAT Button: Press to repeat the current track or all tracks on a CD.
Side Panel Controls/Ports:
- FUNCTION Switch (CD/Line In-Off, FM, AM): Selects the operating mode (CD/Aux, FM Radio, AM Radio) and turns the unit off.
- VOLUME Dial: Adjusts the audio output level.
- TUNING Dial: Adjusts the radio frequency in AM/FM mode.
- AUX IN Jack: Connects external audio devices using a 3.5mm audio cable.
- AC POWER INPUT Jack: Connects the supplied AC power adapter.
- FM Antenna: Extend for optimal FM radio reception.
5. Setup
5.1 Powering the Unit
The Riptunes Portable CD Player can be powered by either the included AC adapter or by batteries.
AC Power Operation:
- Ensure the FUNCTION switch is in the 'OFF' position.
- Insert the small end of the AC adapter into the AC POWER INPUT jack on the side of the unit.
- Plug the other end of the AC adapter into a standard AC wall outlet (120V ~ 60Hz).
Battery Operation:
For portable use, the unit requires 6 x 'C' size batteries (not included).
- Ensure the FUNCTION switch is in the 'OFF' position.
- Locate the battery compartment on the bottom of the unit.
- Open the battery compartment cover by sliding it off.
- Insert 6 'C' size batteries, observing the correct polarity (+/-) as indicated inside the compartment.
- Replace the battery compartment cover securely.

Image 5.1: Battery Compartment on the underside of the unit.
5.2 Antenna Adjustment
For optimal FM radio reception, fully extend the telescopic FM antenna located on the side of the unit. For AM reception, the unit has a built-in antenna, so no external adjustment is needed, but you may need to reposition the unit for better signal.

Image 5.2: Unit with FM antenna extended.
6. Operating Instructions
6.1 CD Playback
- Slide the FUNCTION switch to the 'CD/Line In-Off' position.
- Press the 'OPEN' button on the CD door to open it.
- Place a CD into the compartment with the label side facing up.
- Close the CD door firmly. The LED display will show '00' or the total number of tracks.
- Press the PLAY/PAUSE (►/−−) button to start playback. The track number will appear on the display.
- Adjust the VOLUME dial to your desired listening level.
- To pause playback, press the PLAY/PAUSE (►/−−) button. Press again to resume.
- To stop playback, press the STOP (■) button.
- To skip to the next track, press the SKIP/SEARCH (►►) button.
- To go back to the beginning of the current track, press the SKIP/SEARCH (◀◀) button once. Press twice to go to the previous track.
- To search rapidly forward or backward within a track, hold down the respective SKIP/SEARCH button.
- Repeat Function: Press the REPEAT button once to repeat the current track. Press again to repeat all tracks. Press a third time to cancel repeat mode.
- Program Function: While the CD is stopped, press the PROGRAM button. The display will flash. Use the SKIP/SEARCH buttons to select your desired track, then press PROGRAM again to confirm. Repeat for up to 20 tracks. Press PLAY/PAUSE to start programmed playback.
6.2 AM/FM Radio Operation
- Slide the FUNCTION switch to either 'FM' or 'AM' position.
- For FM reception, extend the telescopic antenna fully.
- Rotate the TUNING dial on the side of the unit to select your desired radio station. The frequency will be displayed on the LED screen.
- Adjust the VOLUME dial to your desired listening level.
- For optimal AM reception, you may need to rotate the entire unit to find the best signal.
6.3 Auxiliary Input (AUX IN)
- Slide the FUNCTION switch to the 'CD/Line In-Off' position.
- Connect one end of a 3.5mm audio cable (not included) to the AUX IN jack on the side of the unit.
- Connect the other end of the audio cable to the headphone jack or line-out jack of your external audio device (e.g., smartphone, MP3 player).
- Turn on your external audio device and start playback.
- Adjust the VOLUME dial on the Riptunes unit and the volume on your external device to achieve the desired sound level.
7. Maintenance
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- CD Care: Handle CDs by their edges. Keep them clean and free of scratches. Use a soft, lint-free cloth to wipe CDs from the center outwards.
- Storage: When not in use for extended periods, remove batteries and store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | AC adapter not connected; Batteries depleted or incorrectly inserted; FUNCTION switch in 'OFF' position. | Ensure AC adapter is securely plugged in; Replace batteries or check polarity; Slide FUNCTION switch to 'CD/Line In-Off', 'FM', or 'AM'. |
| CD not playing | CD inserted incorrectly; CD is dirty or scratched; CD door not closed; FUNCTION switch not in 'CD/Line In-Off' mode. | Insert CD with label side up; Clean or replace CD; Close CD door firmly; Set FUNCTION switch to 'CD/Line In-Off'. |
| Poor radio reception | FM antenna not extended; Unit position. | Fully extend FM antenna; Reposition the unit for better signal. |
| No sound from AUX IN | Audio cable not connected properly; External device volume too low; FUNCTION switch not in 'CD/Line In-Off' mode. | Check audio cable connections; Increase volume on external device; Set FUNCTION switch to 'CD/Line In-Off'. |
9. Specifications
- Model: CDB204
- Power Source: AC 120V ~ 60Hz or 6 x 'C' size batteries (DC 9V)
- CD Compatibility: CD, CD-R/RW
- Radio Frequencies: FM, AM
- Connectivity: 3.5mm AUX IN
- Dimensions (Approx.): 12.48 x 11.46 x 7.09 inches (31.7 x 29.1 x 18 cm)
- Weight (Approx.): 2.68 pounds (1.22 kg)
10. Warranty and Support
Riptunes products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided with your purchase documentation or visit the official Riptunes website. Please retain your proof of purchase for warranty claims.



