It sounds like you’re looking for a datasheet or technical information on a part labeled “KSZ80 OB S4LV02” — possibly a memory chip (S4LV02 suggests a 2 Mbit SRAM or similar) combined with a KSZ80 marking (which could be a network controller or a custom ASIC).
Ethernet Support: Full compliance with IEEE 802.3 10Base-T/100Base-TX standards. Host Interfaces: ksz80 ob s4lv02 datasheet
While a full "datasheet" in the semiconductor sense isn't public (as these are proprietary Sony/Samsung parts), repair technicians rely on the following technical characteristics: Specification Input Interface Dual-channel LVDS (Low-Voltage Differential Signaling) Compatible Screen Size 40-inch LED/LCD Panels Major ICs It sounds like you’re looking for a datasheet
If you can provide a clear photo of the component marking or describe the board function (e.g., Ethernet adapter, IoT gateway, industrial controller), I can help narrow it down to the real datasheet. S4LV = Low-voltage SRAM series (maybe from Samsung