593-1090-A 593-1237 A 922-9799 Cable V-Sync/LCD Temp Sensor for iMac 21.5-Inch Mid 2011 MC309LL MC812LL NB-4811W This is a replacement v-sync cable for the LCD on the 21.5" iMac. This is separate from the main LVDS cable. Apple part number: 922-9799, 593-1090-A, 593-1237 A
iMac 21.5-Inch Mid 2011 MC309LL MC812LL 593-1090-A, 593-1237 A