Apple Computer, MacBook Air 13-inch 1.8 GHz Core 2 Duo (SL9400),
Apple Order Number , MC233LL/A,
Model Number , A1304,
Model Year, Mid 2009,
Part Name, Audio Board,
Manufacturer Part Number, 820-2392-A,
Compatible Apple Order Number , MC234LL/A, MC233LL/A, MB543LL/A, MB940LL/A,
Compatible Model Number, A1304,
EMC Number, 2334,
EEE Code, N/A,
Compatible Apple Computer Family, MacBook Air (13-inch Late 2008), MacBook Air (13-inch Mid 2009)
Order you product here:
922-8772 Audio Board for Macbook Air 13-inch Mid 2009 A1304 MC233LL/A 820-2392-A,
922-8772
source
http://info.applepartsellers.com/922-8772-audio-board-for-macbook-air-13-inch-mid-2009-a1304-mc233ll-a-820-2392-a