Display: Black LSU Unit Failure #U2-5113 : Turn off then on.
Description: - Black LSU occurs Hsync Error. 1. LD is broken. 2. LD harness is not connected correctly.
Remedy: 1. Turn the machine on and turn it off again. Has the error message disappeared? 2. If the problem persists, replace the LSU unit. Caution Never remove the LSU cover.