Instruction Manual

1. Introduction

This manual provides essential information for the safe and correct installation, operation, and maintenance of the Hisense TV Power Board, model RSAG7.820.10972/ROH. This power board is designed for specific Hisense TV models, including 65U79G and 65E7G-PRO. Please read this manual thoroughly before attempting any installation or repair to ensure proper function and safety.

2. Safety Information

WARNING: Risk of Electric Shock!

• Always disconnect the TV from the main power supply before attempting any installation, repair, or maintenance.
• Only qualified technicians should perform installation or repair procedures. Improper handling of electronic components, especially power boards, can result in serious injury or damage to the equipment.
• Avoid touching components marked 'HOT' on the board when power is connected or recently disconnected, as they may retain high voltage.
• Ensure proper grounding of the TV and all connected components.
• Do not expose the power board to moisture or extreme temperatures.

3. Product Overview

The RSAG7.820.10972/ROH is a replacement power supply unit (PSU) for compatible Hisense television sets. It is responsible for converting AC input power into the various DC voltages required by the TV's internal components. The board features clearly marked input and output sections, as well as component identifiers for ease of installation and troubleshooting.

4. Specifications

Connector Pinout (EP801):

• Pin 1-4: GND
• Pin 5-8: +12V

Connector Pinout (EP802):

• Pin 1: ON/OFF
• Pin 2: DIM
• Pin 3: SW
• Pin 4: NC (No Connection)
• Pin 5-8: +12V
• Pin 9-12: GND

5. Installation and Setup

Professional installation is highly recommended for this component.

1. Preparation: Ensure the television is completely disconnected from the power outlet. Allow sufficient time for any residual charge in capacitors to dissipate.
2. Access: Carefully remove the back panel of the television to access the internal components, including the existing power board.
3. Verification: Before removing the old board, visually compare it with the new RSAG7.820.10972/ROH board. Pay close attention to the model number (RSAG7.820.10972/ROH) and physical layout to confirm compatibility. If unsure, consult a professional.
4. Disconnection: Disconnect all cables and connectors from the old power board. Note their positions for re-connection.
5. Removal: Unscrew and carefully remove the old power board from the TV chassis.
6. Installation of New Board: Place the new RSAG7.820.10972/ROH power board into position and secure it with the appropriate screws.
7. Re-connection: Reconnect all cables and connectors to the new power board, ensuring they are firmly seated. Refer to Figure 2 for connector pinout details if needed.
8. Initial Test: Before re-assembling the TV, connect the power cord and perform a brief test to ensure the TV powers on correctly. If issues arise, immediately disconnect power and re-check connections.
9. Re-assembly: Once functionality is confirmed, carefully re-attach the TV's back panel.

6. Operation

The power board operates automatically once correctly installed and connected to the TV's internal systems and external power source. It requires no user interaction for its function. Upon powering on the television, the board will supply the necessary voltages to the TV's components.

7. Troubleshooting

If your TV experiences issues after installing the new power board, consider the following:

• No Power:
  • Ensure the TV is properly plugged into a working power outlet.
  • Verify all cables and connectors on the power board are securely attached.
  • Check for any visible damage to the power board or its components (e.g., burnt marks, bulging capacitors).
• Intermittent Power/Flickering:
  • Re-check all connections for looseness.
  • Ensure the TV's internal environment is free from excessive dust or debris that could cause overheating.
• Incorrect Functionality:
  • Double-check that the installed power board model (RSAG7.820.10972/ROH) is indeed compatible with your specific Hisense TV model (65U79G or 65E7G-PRO).
  • If the product was damaged during transportation, please contact support immediately upon receipt. All products are tested before shipment to ensure functionality.

For complex issues, it is advisable to consult a professional television repair technician.

8. Maintenance

The power board itself requires minimal maintenance. To ensure its longevity and optimal performance:

• Keep the television in a well-ventilated area to prevent overheating of internal components.
• Periodically clean the interior of the TV (when disconnected from power) to remove dust accumulation, which can impede heat dissipation and lead to component failure.
• Avoid exposing the TV to sudden power surges; consider using a surge protector.

9. User Tips

• Model Verification: Always confirm the exact model number of your original power board and TV before purchasing a replacement. A photo of your original board can help ensure you receive the correct part.
• Handle with Care: Electronic components are sensitive. Handle the power board by its edges to avoid touching components, and use anti-static precautions if possible.
• Component Condition: While this product is tested before delivery, it is important to note that some units may be refurbished or used. Functionality is guaranteed, but cosmetic condition may vary.

10. Warranty and Support

This product comes with a three-month warranty from the date of purchase. If you encounter any quality problems within this period, please contact the seller, CKR Electronics Store, for assistance. Please retain your proof of purchase for warranty claims.

For technical support or inquiries, please reach out to the seller directly through the platform where the purchase was made.