Generic Power Supply Board RSAG7.820.7748/ROH HLL-4360WE 222684 Instruction Manual

1. Pengenalan

This instruction manual provides essential information for the safe and correct installation, operation, and maintenance of the Generic Power Supply Board, model RSAG7.820.7748/ROH HLL-4360WE 222684. This board is designed as a replacement part for specific Hisense TV models, including the 50R6E. Please read this manual thoroughly before proceeding with any installation or service to ensure proper functionality and safety.

2. Maklumat Keselamatan

AMARAN: Installation of this component should only be performed by qualified technicians. Improper installation can lead to electric shock, fire, or damage to the television and the power supply board itself.

• Always disconnect the television from the main power outlet before attempting any installation, removal, or maintenance.
• Discharge any residual power by waiting several minutes after unplugging the TV before touching internal components.
• Pakai sarung tangan anti-statik atau gunakan tali pergelangan tangan anti-statik untuk mencegah kerosakan nyahcas elektrostatik (ESD) pada komponen elektronik yang sensitif.
• Handle the board by its edges to avoid touching components directly.
• Pastikan semua sambungan selamat dan berorientasikan dengan betul sebelum menyambung semula kuasa.
• PERHATIAN: For continued protection against risk of fire, replace only with a fuse of the same type and rating (e.g., T 4.0A H 250V F801, as indicated on the board).

3. Produk Lebihview

The power supply board (model RSAG7.820.7748/ROH HLL-4360WE 222684) is a critical component responsible for converting AC power from the wall outlet into various DC voltages required by the television's internal circuits. It features multiple transformers, capacitors, and heat sinks to manage power distribution and regulation.

Figure 1: Generic Power Supply Board RSAG7.820.7748/ROH HLL-4360WE 222684. This image displays the complete power supply board, showing various components such as capacitors, transformers, heat sinks, and connectors. Key identifiers like 'RSAG7.820.7748/ROH' and 'HLL-4360WE' are visible on the board.

Key markings on the board include:

• Nombor Model: RSAG7.820.7748/ROH
• Nombor Bahagian: HLL-4360WE 222684
• Pengeluar: Hisense Electric Co., Ltd. (as indicated on the board)
• Input: ~100V-240V 50Hz/60Hz MAX3A
• Output: 12V/3A, 16V/1.5A, 160V/400mA
• Fius: F801 (T 4.0A H 250V)

4. Persediaan dan Pemasangan

This section outlines the general steps for replacing a power supply board. Specific TV models may have slight variations. Refer to your TV's service manual for detailed disassembly instructions.

1. Sediakan TV: Putuskan sambungan TV daripada semua sumber kuasa dan peranti luaran. Letakkan TV menghadap ke bawah di atas permukaan yang lembut dan bersih untuk melindungi skrin.
2. Keluarkan Penutup Belakang: Carefully remove the screws securing the TV's back cover. Set the screws aside in an organized manner.
3. Locate Old Power Board: Identify the existing power supply board. It is typically the largest board connected directly to the AC input.
4. Putuskan Sambungan Kabel: Disconnect all cables connected to the old power board. These usually include the AC input, cables to the main board, and backlight cables. Note their positions or take photos for reference.
5. Keluarkan Papan Lama: Unscrew the mounting screws holding the old power board in place and carefully lift it out.
6. Pasang Papan Baharu: Position the new RSAG7.820.7748/ROH HLL-4360WE 222684 power supply board into the TV chassis. Ensure it aligns correctly with the mounting holes.
7. Secure New Board: Fasten the new board with the mounting screws. Do not overtighten.
8. Sambung semula Kabel: Reconnect all cables to their corresponding ports on the new power board. Double-check each connection for security and correct orientation.
9. Kefungsian Ujian: Before reattaching the back cover, temporarily plug in the TV and power it on to verify that it functions correctly. If the TV powers on and displays an image, proceed to the next step. If not, refer to the Troubleshooting section.
10. Pasang semula TV: Disconnect power again, then carefully reattach the TV's back cover and secure it with all screws.

5. Arahan Operasi

Once the power supply board is successfully installed, the television should operate as intended. The power supply board itself does not require user interaction beyond providing stable power to the TV's components.

• Plug the TV's power cord into a working electrical outlet.
• Press the power button on the TV or its remote control.
• Verify that the TV powers on, displays an image, and responds to controls.

6. Penyelenggaraan

The power supply board is designed for long-term reliability and generally requires no routine maintenance. To ensure its longevity and optimal performance:

• Jaga kebersihan: Ensure the TV's ventilation openings are clear of dust and debris to allow for proper airflow and heat dissipation.
• Elakkan Kelembapan: Do not expose the TV to excessive moisture or humidity.
• Kuasa Stabil: Connect the TV to a stable power source, preferably with surge protection, to prevent damage from power fluctuations.

7. Penyelesaian masalah

If you encounter issues after installing the power supply board, consider the following troubleshooting steps:

If these steps do not resolve the issue, it is recommended to seek assistance from a qualified television repair technician.

8. Spesifikasi

9. Waranti dan Sokongan

This power supply board typically comes with a 30-day warranty from the date of purchase, covering defects in materials and workmanship. Please retain your proof of purchase for warranty claims.

For technical support or warranty inquiries, please contact the seller or your authorized service provider. Do not attempt to repair the board yourself, as this may void the warranty and pose safety risks.