DELL Latitude 9510 9520 USH Junction Board Ribbon Cable A197SE

Genuine Dell OEM Ribbon Cable A197SE

This genuine Dell OEM ribbon cable carries part number A197SE and connects the USH junction board to the motherboard in compatible Latitude systems. It fits Latitude 9510, Latitude 9510 2-in-1, Latitude 9520 and Latitude 9520 2-in-1 laptops. The part is supplied new and matches the component shown in the product imagery. Alternate references include FDB50, LF-H981P and DA300019W10.

Installation Notes for Flex Cable Replacement

The flex cable routes between the USH board and the mainboard through tight internal channels, so the chassis must be opened and the board assembly partially lifted. Take care not to crease the ribbon or strain the low-force connectors during removal and refit. A common issue is mis-seating the connector tabs, which causes intermittent USH functionality after reassembly. Verify both ends click fully home before closing the device.

Sustained Operation and Signal Integrity

Once correctly seated, the cable maintains a stable link between the USH board and motherboard across normal operating temperatures. The ribbon construction resists fatigue from the limited flexing that occurs during 2-in-1 hinge movement. No active cooling or thermal management is required for the cable itself, and performance does not degrade during extended sessions. The part is a passive interconnect, so its behaviour is consistent whether the system is under light or heavy workload.