1. Introducció
This manual provides detailed instructions for the operation and maintenance of your Retekess TR636 Portable CD Player. Please read this manual thoroughly before using the device to ensure proper function and safety.
The Retekess TR636 is a versatile portable audio system designed for ease of use, offering multiple playback options and a clear sound experience. It features a lightweight and portable stereo design with two large speakers for enhanced sound quality and volume. The device includes Bluetooth 5.0 for wireless connectivity, an FM/AM radio tuner, a CD player compatible with various formats, USB playback, and an AUX input. It also offers a convenient sleep timer function and can be powered by either an AC cable or batteries.
2. Contingut del paquet
Before setup, please verify that all items are present in the package:
- 1x Retekess TR636 CD Radio Unit
- 1 cable d'alimentació CA
- 1x comandament a distància
- 1x Owner's Manual (this document)

Figure 2.1: Contents of the Retekess TR636 package.
3. Configuració
3.1 Connexió d'alimentació
El Retekess TR636 ofereix dues opcions d'alimentació:
- Alimentació CA: Connect the included AC power cable to the unit's power input and then to a standard wall outlet. This is recommended for indoor use.
- Potència de la bateria: For portable use, insert 4 C-size batteries (not included) into the battery compartment located on the bottom of the unit. Ensure correct polarity.

Figure 3.1: Powering the device using AC cable or C-batteries.
3.2 Encès inicial
Premeu el botó PODER button on the unit or remote control to turn on the device. The LCD screen will illuminate, displaying the current mode or time.
4. Instruccions de funcionament
The Retekess TR636 features simple operation with clearly marked buttons for easy navigation.

Figure 4.1: Clearly marked buttons for easy operation.
4.1 Funcionament del reproductor de CD
- Obriu la tapa del compartiment del CD.
- Place a CD (CD, CD-R, CD-RW, MP3, or WMA format) onto the spindle with the label side facing up.
- Tanqueu bé la tapa del compartiment del CD.
- Premeu el botó MODE botó per seleccionar el mode CD.
- Premeu el botó REPRODUCCIÓ/PAUSA per iniciar la reproducció.
- Utilitza el SALTAR botons (◀◀ / ▶▶) per navegar entre pistes.
- Premeu el botó REPETIR botó per repetir la pista actual o totes les pistes.
4.2 Funcionament de la ràdio FM/AM
- Extend the telescopic antenna for optimal FM reception. For AM, rotate the unit for best reception.
- Premeu el botó MODE botó per seleccionar el mode de ràdio FM o AM.
- Utilitza el TUNE +/- botons per sintonitzar manualment una emissora o manteniu premut per cercar automàticament la següent emissora disponible.
- Per desar una emissora, premeu la tecla PROG/MEM i, a continuació, utilitzeu el botó SALTAR botons per seleccionar un número preestablert i premeu PROG/MEM de nou per confirmar.

Figure 4.2: Retekess TR636 with extended antenna for radio reception.
4.3 Funció Bluetooth
- Premeu el botó MODE button to select Bluetooth mode. The LCD screen will show 'BT' and the Bluetooth indicator will flash, indicating it's ready for pairing.
- On your mobile phone or other Bluetooth device, enable Bluetooth and search for 'TR636'.
- Select 'TR636' to pair. Once connected, the Bluetooth indicator will stop flashing.
- You can now play music from your device through the TR636. The Bluetooth 5.0 function also supports hands-free calls.

Figure 4.3: Connecting to the device via Bluetooth.
Reproducció USB 4.4
- Insert a USB flash drive (up to 64GB, not included) into the USB port.
- Premeu el botó MODE botó per seleccionar el mode USB.
- The device will automatically detect and play MP3/WMA files de la unitat USB.
- Feu servir els controls de reproducció (Reproduir/Pausa, Ometre) per gestionar la vostra música.

Figure 4.4: USB port for playing MP3/WMA files.
4.5 Entrada AUX
Connect an external audio device (e.g., smartphone, MP3 player) to the 3.5mm AUX input jack using an audio cable (not included). Press the MODE button to select AUX mode, and audio from your external device will play through the TR636 speakers.
4.6 Presa d'auriculars
For private listening, plug 3.5mm headphones (not included) into the headphone jack. The speakers will automatically mute.
4.7 Temporitzador de repòs
The sleep timer allows you to set a duration after which the unit will automatically turn off. Refer to the specific instructions in the full manual for setting the sleep timer, typically involving a DORMIR button on the remote or unit.
4.8 Control remot
The included remote control allows convenient adjustment of functions from a distance. Ensure the remote has working batteries and is pointed towards the unit's IR receiver.

Figure 4.5: Multifunctional remote control for easy operation.
4.9 Product Summary Video
Vídeo 4.1: Un breu resumview of the Retekess TR636 Portable CD Player's features and functions.
5. Manteniment
5.1 Neteja
To clean the unit, use a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the surface. For the CD lens, use a specialized CD lens cleaner.
5.2 Substitució de la bateria
When using battery power, replace all 4 C-size batteries when the unit's performance diminishes. Ensure the unit is powered off and disconnected from AC power before opening the battery compartment.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | AC cable not connected; Batteries depleted or incorrectly inserted. | Check AC cable connection; Replace batteries or ensure correct polarity. |
| Sense so | Volum massa baix; Auriculars connectats; Mode incorrecte seleccionat. | Increase volume; Disconnect headphones; Select correct input mode (CD, BT, FM/AM, AUX, USB). |
| El CD no es reprodueix | CD inserit incorrectament; CD brut o ratllat; Compartiment del CD no tancat. | Reinsert CD correctly; Clean or replace CD; Ensure compartment is fully closed. |
| Bluetooth no connectat | Bluetooth not enabled on external device; Device too far; Already connected to another device. | Enable Bluetooth on your device; Move device closer; Disconnect from other Bluetooth devices. |
| Ràdio estàtica/mala recepció | Antena no estesa; Senyal feble; Interferències. | Fully extend FM antenna; Adjust unit position for AM; Move away from electronic devices causing interference. |
7. Especificacions
| Característica | Especificació |
|---|---|
| Marca | Retekess |
| Model | TR636 |
| Tecnologia de connectivitat | AUX, Bluetooth, USB |
| Color | Blanc |
| Tipus d'altaveu | Stereo (2 speakers included) |
| Dimensions de l'article LxWxH | 27.2 x 24.4 x 13.3 cm |
| Font d'alimentació | Battery Powered (4 C-batteries, not included) / AC Power |
| Dispositius compatibles | Smartphone |
| Estil | Clàssic |
| Pes de l'article | 1.21 quilos |
| Wattage | 3 watts |
| Configuració del canal de so envoltant | 2.0 |
| Estàndards suportats | MP3, WMA, Bluetooth, 3.5mm AUX |
| Suport Bluetooth | Sí |
| Formats d'àudio compatibles | CD, CD-R, CD-RW, MP3, WMA |
| Mode de sortida d'àudio | estèreo |
| Fabricant | Retekess |
| Components inclosos | Manual del propietari |
| País d'origen | Xina |
| ASIN | B0C7864V1F |
8. Garantia i Suport
Your Retekess TR636 Portable CD Player comes with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included in your package or contact Retekess customer support.
For technical assistance, troubleshooting beyond this manual, or to inquire about replacement parts, please visit the official Retekess weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. La informació de contacte normalment es pot trobar a l'embalatge del producte o a la presència oficial en línia de la marca.