ARDF 
SM 4-55 D115/D116 
Replacement 
and 
Adjustment 
4.13.5  DF DRIVE BOARD 
1.  DF rear cover (  p.4-53) 
 
2.  DF drive board [A] (
 x 2,    x 4, ground cable x 1) 
4.13.6  ORIGINAL SET AND DF INVERTER SENSOR 
1.  Open the DF left cover. 
2.  Original feed unit (
p.4-54) 
3.  DF feed clutch (
 p.4-59) 
 
4.  Original feed-in guide plate [A] (
 x 2). 
5.  Original set sensor [B] (
  x 1, hook) 
6.  DF inverter sensor [C] (
  x 1, hook)