The is a highly versatile "three-in-one" smart TV mainboard, combining the power supply, LED backlight driver, and signal processing unit onto a single PCB. It is commonly found in budget-friendly 4K UHD televisions from brands like RCA, Bauhn, iLive, and Avera . Core Technical Architecture
The is a widely used "3-in-1" (main, power, and LED driver) motherboard primarily found in 4K LED TVs from brands like RCA, Avera, Haier, and iLive. Because it integrates the power supply and backlight driver onto a single PCB, troubleshooting requires a firm understanding of both high-voltage AC circuits and low-voltage digital processing. Essential Technical Specifications tp.ms3458.pc757 service manual
If the primary fails, try Menu + 2 5 8 0 or Source + 2 5 8 0 . Common fix: If voltage is low (<1
If you’re repairing a modern LED TV, chances are you’ve run into the main board. This board is commonly found in budget to mid-range TVs from brands like Hisense, Element, RCA, Sanyo, and many white-label models. Alternate Codes: If the primary fails, try Menu
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