VT6L Maintenance  18. Controller Unit 
 
146  VT series Maintenance Manual    Rev.2 
 Board 
 
 
the  heat release sheet on the  surface (the  side 
the new CPU/DPB board. 
the sheet on the wrong surface. 
2) 
the CPU/DPB board and fix it by the mounting screws. 
Binding head screws: 5-M3×6 
Tightening torque: 0.45 ± 0.1N·m 
of CPU/DPB board differs between Standard, C
leanroom model and 
Protection model.
 
 
the CPU/DPB board connectors. 
E: Power connector (IN/OUT ×1 for each) 
F: Cooling fan connector 
G: Regenerative resistor connector 1 
H: Regenerative resistor connector 2 
 
Be careful not to connect the wrong connectors or forget to connect it. 
C specification 
 
specification 
 
4) 
ount the power board. 
Reference: 18.2 Replacing Power Board