DJI Air Unit

DJI Airunit

DJI FPV Air Unit The DJI FPV Air unit has two pcb's, RF Board and DC/ASIC pcb.

Top	Bottom

Common Issues

Dead, No Power.
	These board are susceptible to overvoltage and voltage spikes from motors and esc on crashing . Common issue is TI54335A Regulators burning out.
Voltage regulators

No OSD Issue
DJI Air Unit Diodes	lso common issue is UART input diodes shorting to ground preventing OSD. These can be replaced but difficult to get too due to can. Advice would be to simply remove with tweezers as boar will work with out them. PN is PESD5V0V1BL

Caddx Vista AKA Airunit Lite/Runcam Link

CADDX Vista - DJI Airunit Lite - Runcam Link

CaddX Vista/ Airunit Lite USB PCB Top	CaddX Vista/ Airunit Lite Asic PCB Top
CaddX Vista/ Airunit Lite USB PCB Bottom	CaddX Vista/ Airunit Lite Asic PCB Bottom

Vista/Runcam Link/ Airunit Lite Issues

No OSD/RC Issue
DJI Air Unit Diodes	Common issue is UART and SBUS input diodes shorting to ground preventing OSD. PN is PESD5V0V1BL