Hisense 404155 Main Board 75C350LU Replacement

Product Description

The HISENSE 404155 is a main board assembly designed as a direct replacement component for the Hisense 75C350LU television. The main board serves as the central processing unit of the display, managing video and audio signal processing, input switching, and communication between internal subsystems. This part is sourced from Hisense consumer electronics components and is intended for installation by qualified electronics repair technicians or experienced service professionals capable of working safely inside a television chassis.

This board is applicable to Hisense flat-panel television service and repair scenarios where the original main board has failed due to electrical fault, component damage, or firmware-related failure. It is suited for residential television repair in shop or in-home service settings. The part number 343405 is also associated with this component per supplier documentation.

Key Features

• Direct replacement main board for the Hisense 75C350LU flat-panel television
• Handles central video and audio processing functions for the display system
• Associated alternate reference number: 343405
• OEM-specification component from Hisense consumer electronics parts

Compatibility

Designed as a replacement main board for the Hisense 75C350LU television model. The alternate part number 343405 is associated with this component per the supplied product data.

Installation Notes

Installation should be performed by a qualified electronics repair technician. Disconnect the television from mains power and allow capacitors to discharge before opening the chassis or handling internal components. Electrostatic discharge precautions, including the use of an anti-static wrist strap, are recommended when handling circuit board assemblies. Refer to the television service manual for connector routing and mounting point locations before removing or seating the board.

Technical Specifications

• Compatible Model: 75C350LU
• Alternate Part Number: 343405
• Component Type: Main Board

Standard Information

• Brand: HISENSE
• Manufacturer Part Number: 404155