Fisher CR-5125 - Page 32

DOLBY
NR
UNIT
SCHEMATIC
DIAGRAM
DOLBY NR UNIT P.C.BOARD
(Top
View)
(Bottom
View)
a33u.
(Top
View)
RECORD
EQ
UNIT
SCHEMATIC
DIAGRAM
14
E
1
LIol
L102!
1
Lto3
1
1
5,6mH
15
RIGGS
san
Riess
3.9MHES
ci29
1
!
I
eae
L
ees
:
1
2K
i
0.0475
4
l
ClI33
=
[5K
C134
C137
I
cozy.
|
care
0.022u
0.018u
Be
|
\
Ino
[0.068y
RIG7
C136
ale?
i
i
g2
0.047u
)
D108
DIO6
DIO9
IS953
IS953
S953
|
i
(r-
(y-
(V-
CK)
ats
CK)
aie
CK)
2117
1
\
RI75
RI73
|
:
33K
33K
O
>
ie
(ee
See:
eee
|
Qis,
aie,
auz
=|
49
Q215,Q216,Q217
|
5é
er
2SC536
|
|
Bee
R275<
D206
33K
|
'
>
33K]
IS953
5
oP
|
b
pate
i)
Q215
ie
Q216
ni
kK)
Q2I17
|
18953
ISQ53
1
RegB
rege
Lease,
apse
|
|
é
C227
.
oes
BOR
!
233
0,068y
C234
.
0.0224
TR265
seas
re
oa’
|
I5K
I
I
PEO
R26C=
L203)>
2K]
L202!'o
ae
|
I
5.6mH
>
oT
3,3mH
1
3,.9mH!
<=
0.047y
!
1
‘
'
6$
|
ies
aa
Se
ca
eee
RECORD
EQ
UNIT
P.C.BOARD
(Bottom
View)
-
L203.
R265...
L20l
tet?
o20ey
f
=
T8t
ae
Ye
Fei
Q216\
R267_@02089/\S$}
:
-Q215:
R263
ee
ae
pIo6
LIO3-
~~
~—s«RIG6
~LIO
—~34—