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Flat 8-pin FFC ribbon cable for Dell Inspiron 14 5480 IO board

DELL

DELL Inspiron 14 5480 IO Board Cable 7J9DN

SKU CH-JAJY-15RQX

Connects the I/O daughterboard to the motherboard in Inspiron 14 5480 laptops using an 8-pin FFC design

  • TypeIO Board Cable
  • Precision 8-pin FFC restores IO daughterboard connectivity
  • OEM Dell 7J9DN cable fits Inspiron 14 5480 exactly
  • Supports USB, audio and SD reader via daughterboard link
  • Built to Dell manufacturing standards for signal integrity
  • Lightweight flat cable installs easily in tight chassis

Genuine Dell IO Board Cable 7J9DN

This new OEM cable is built for the Inspiron 14 5480, linking the IO daughterboard to the motherboard with an 8-pin FFC connector. It restores full I/O function for USB, audio and SD card reader ports. The precision fit matches Dell factory specifications exactly.

Suits owners repairing a Dell Inspiron 14 5480

Technicians performing board-level service on this exact model will find the correct connector pitch and length. Builders working on any other laptop series, or anyone needing a different pin count or cable routing, should look elsewhere.

8-pin FFC connector for Inspiron 14 5480

The single deciding specification is the 8-pin flexible flat cable interface designed solely for this model. Only the 7J9DN part number guarantees the correct pin-out and physical routing inside the chassis.

Highlights

  • Precision 8-pin FFC restores IO daughterboard connectivity
  • OEM Dell 7J9DN cable fits Inspiron 14 5480 exactly
  • Supports USB, audio and SD reader via daughterboard link
  • Built to Dell manufacturing standards for signal integrity
  • Lightweight flat cable installs easily in tight chassis

Specifications

BrandDell
TypeIO Board Cable

Questions about this item

How do I install the 8-pin FFC cable between the IO daughterboard and motherboard on the Inspiron 14 5480?

Disconnect power, open the chassis, align the blue stiffener tabs on the 8-pin FFC with the ZIF connector locks, insert fully until tabs seat, then flip both locks down to secure the cable.

What maintenance or replacement will the IO board cable need during the laptop's service life?

The 8-pin FFC is a passive flex cable with no moving parts; it only requires replacement if the conductors fracture from repeated hinge flexing or if the connector locks fail to latch.

What is the first limit that appears under sustained heavy I/O use on the Inspiron 14 5480?

The 8-pin FFC carries all daughterboard signals, so sustained high-current USB loads can cause voltage drop across the thin traces before the motherboard controller throttles.

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