Hitachi D-980U Service Manual page 25

SCHMATIC DIAGRAM (DIRECT
DRIVE
MOTOR
SECTION)
Q
I
D3
,
D4
2SC458D tS2076X2
HALL CELL
BIAS
AMPLITUDE
c
uIr&EN.r_cgtulrcL
_
_
!
lu
I
r
E R
_
rs
TEMI
l---- --
-r
I
I
MA|N P.c.Bl
L-----J
INVERSE
AMP
I
I
I
lce
lstrzs
c13
o.o22
I
I
L-----
-
OI
FFERENTIAL
-5v
!
22/16 c2
o.33/25
c9
c8 I
CIO
DRIVE
C