1. Introducció
This manual provides essential information for the installation, operation, maintenance, and troubleshooting of the RSAG7 820 7520 ROH motherboard, designed for Hisense LED55N3700U televisions utilizing the HD550N3U3 screen. This product is a replacement component intended for professional installation. Please read all instructions carefully before proceeding.
2. Producte acabatview
The RSAG7 820 7520 ROH is a main drive motherboard for specific Hisense 55-inch TV models. It integrates various functions necessary for the television's operation, including video processing, audio output, and input/output management.
Figura 2.1: Frontal view of the RSAG7 820 7520 ROH motherboard.
Detallada Views of the Motherboard
3. Especificacions
| Característica | Especificació |
|---|---|
| Nom de marca | TAPNM |
| Número de model | RSAG7 820 7520 ROH |
| Applicable TV Model | Hisense LED55N3700U |
| Applicable Screen Model | HD550N3U3 |
| Width (TV Size) | 55 polzades |
| Material del cos | Alumini |
| Font d'alimentació | AC |
| Voltage | 110 V |
| És regulable | No |
| S'inclouen les piles? | No |
| Origen | Xina continental |
| El paquet inclou | 1 Pcs |
| Dimensions del paquet (L x W x H) | 59 cm x 4 cm x 4 cm |
| Pes del paquet | 0.2 kg |
4. Configuració i instal·lació
Important: Installation of this motherboard requires technical expertise and should only be performed by qualified professionals. Improper installation can lead to damage to the TV or personal injury. Always ensure the TV is unplugged from the power source before beginning any installation.
Llista de verificació prèvia a la instal·lació:
- Verify the TV model (Hisense LED55N3700U) and screen model (HD550N3U3) match the specifications.
- Confirm the motherboard model (RSAG7 820 7520 ROH) matches your original board. Compare the physical appearance and connector layout with the provided images.
- Gather necessary tools (screwdrivers, anti-static wrist strap, plastic prying tools).
- Assegureu-vos un espai de treball net i ben il·luminat.
Passos d'instal·lació:
- Desconnecteu l'alimentació: Unplug the TV from the wall outlet and disconnect all external devices.
- Access TV Internals: Carefully place the TV face down on a soft, clean surface. Remove the back cover of the TV by unscrewing all retaining screws.
- Locate and Remove Old Motherboard: Identify the existing motherboard. Disconnect all cables connected to it (power, ribbon cables, antenna, HDMI, USB, etc.). Pay close attention to the orientation of each connector. Remove the screws securing the old motherboard to the TV chassis.
- Instal·leu la nova placa base: Gently place the new RSAG7 820 7520 ROH motherboard into position, aligning it with the screw holes. Secure it with the retaining screws.
- Torneu a connectar els cables: Carefully reconnect all cables to their corresponding ports on the new motherboard. Ensure all connections are firm and correctly oriented. Double-check ribbon cable connections for proper seating.
- Remuntar el televisor: Replace the TV back cover and secure it with all screws.
- Engegada inicial: Plug the TV back into the power outlet. Power on the TV and check for proper functionality.
Nota: If you are unsure about compatibility or any step of the installation process, it is highly recommended to consult with a professional TV repair technician.
5. Funcionament
Once the RSAG7 820 7520 ROH motherboard is correctly installed, your Hisense LED55N3700U TV should function as intended. The motherboard facilitates all standard television operations, including:
- Encès/Apagat
- Channel Tuning and Selection
- Input Source Switching (HDMI, USB, AV, etc.)
- Control de volum
- Picture and Sound Settings Adjustment
- Smart TV functionalities (if applicable to your TV model)
Refer to your Hisense LED55N3700U TV's original user manual for detailed instructions on operating your television's features and settings.
6. Manteniment
The RSAG7 820 7520 ROH motherboard is designed for long-term reliability and generally requires no routine maintenance. To ensure its longevity and optimal performance, follow these general guidelines:
- Mantenir sec: Avoid exposing the TV to moisture or high humidity, which can damage electronic components.
- Neteja: Keep the TV's ventilation openings clear of dust and debris to prevent overheating. Do not spray cleaning liquids directly onto the TV.
- Eviteu l'impacte físic: Protect the TV from drops, bumps, or excessive vibrations.
- Ventilació adequada: Ensure adequate airflow around the TV to dissipate heat effectively.
- Augment de corrent: Consider using a surge protector to safeguard against electrical fluctuations.
7. Solució De Problemes
If you encounter issues after installing the new motherboard, consider the following troubleshooting steps:
Problemes comuns i solucions:
- Sense alimentació/Sense pantalla:
- Ensure all power cables and internal connectors are securely attached.
- Verify the TV model and screen model compatibility with the motherboard.
- Comproveu si la presa de corrent funciona.
- Picture Problems (e.g., distorted image, no backlight):
- Confirm all ribbon cables connecting the motherboard to the screen and other components are correctly seated and undamaged.
- Ensure the correct motherboard model was installed for your specific TV and screen. Many TV models use different sets of internal components.
- Sound Problems (e.g., no audio, distorted audio):
- Comproveu totes les connexions del cable d'àudio.
- Verify TV's audio settings.
- TV Constantly Reboots or Software Malfunctions:
- This can indicate an incompatibility or a software issue. Double-check that the board model is an exact match for your TV.
- If possible, attempt a factory reset of the TV (refer to your TV's original manual for instructions).
- Input Ports Not Working (HDMI, USB, etc.):
- Ensure external devices are properly connected and functional.
- Check the TV's input source settings.
Si aquests passos no resolen el problema, és possible que calgui assistència professional.
8. Consells d'usuari
- Verifiqueu la compatibilitat amb cura: Abans de la compraasing or installing, always compare the model number of this motherboard (RSAG7 820 7520 ROH) with your original TV board. Also, confirm your TV model is Hisense LED55N3700U and the screen is HD550N3U3.
- Confirmació visual: It is highly recommended to open your TV and visually compare your existing board with the product images provided. If you are unsure, take a clear photo of your original board and its labels for verification.
- Instal·lació professional: Due to the delicate nature of TV components and the risks involved with electrical work, professional installation is strongly advised.
- Manejar amb cura: When handling the motherboard, always use an anti-static wrist strap to prevent damage from electrostatic discharge. Avoid touching the electronic components directly.
9. Garantia i Suport
Aquesta placa base ve amb un 1 any de garantia des de la data de compra, cobrint defectes de fabricació.
For Support and Inquiries:
If you have any questions, require assistance, or encounter a problem with the product, please contact the seller directly through their designated communication channels (e.g., Trademanager or email). The seller is committed to actively cooperating with customers to resolve any issues.
