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AJMRTC 02HK993 RJ45 Ethernet Port Board, NSB903 Replacement LAN SubBoard for Lenovo ThinkPad T490 P43S Notebook, Internal Network Interface Small Board Repair Spare Part
- Replacement LAN subboard FRU 02HK993 NSB903, specially built for Lenovo ThinkPad T490 and P43S laptops
- Originalsize RJ45 ethernet port board with matching flex cable connector for direct internal installation
- Fixes common LAN faults: ethernet port no link, physical port damage, network connection dropout and undetected wired network
- Precise PCB layout and pin definition same as OEM unit, no modification required during replacement
- Pretested before shipment, suitable for repair shop maintenance and experienced DIY notebook hardware repair
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Overview
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AJMRTC 02HK993 internal RJ45 ethernet subboard (NSB903) is a replacement LAN interface small board for Lenovo ThinkPad T490 and P43S notebooks. It carries the onboard RJ45 wired network jack and completes signal transmission with mainboard via matching flex cable. This replacement board solves typical failure symptoms of damaged original ethernet board: physical port crack, no wired network link, unstable connection and wired network hardware not detected in system. PCB dimension, port position and connector definition conform to OEM specifications for plugandswap installation. This is a professional maintenance spare part. Please doublecheck your laptop model and part number 02HK993 / NSB903 before purchase to confirm compatibility. Recommended for repair technicians and skilled DIY users.
OEM FRU Number: 02HK993
Board Code: NSB903
Compatible Laptop Models: Lenovo ThinkPad T490, ThinkPad P43S
Product Type: RJ45 Ethernet LAN SubBoard
Core Function: Wired Network RJ45 Port Signal Transmission
Installation: Direct Replacement With Flex Cable
PreShipment Test: Basic Function Tested
Application: Notebook Repair & DIY Hardware Maintenance
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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