RIGOL  Chapter 1 Disassemble and Assemble 
1-10  MSO1000Z/DS1000Z Service Guide 
  Pay attention to the connecting positions of the keyboard cables and screen 
line connected to the main board before removing them to avoid incorrect 
connection or incomplete connection when assembling the instrument.  
  When assembling the ke
yboards and LCD, pass the left keyboard cable, main 
keyboard cable and screen line through the corresponding holes on the front 
metal plate, fasten the main board and then insert the cables to the