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Scully 280B Series User Manual

Scully 280B Series
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Model 280B
Sc
h
ematic
Diagrams and Parts List
P I2
R4
+25VD
C R
EG
..
4"
1,1/2 w
r
C2d
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1
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63V,2.5
%
R6
BC40 9C
CR5
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2COK
2N
S
45
7
27
R21
BIAS
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R33
TP 4
22K
L[VE.
1
80
(
YE
L
LOW)
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J .
C5
t?
R32
RIG
GND
~
.
001
4.7
I-c
05
+
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1-c
r1
63V
R34
680,
1% 1
680,
1%
2
N4
4~
R
II
R29
t-
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EK
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C I
'I
2.2K
GND
.2-
r-
2.2K
T ·
I,
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1"
002
PO
LY
R
30
631,'
2
.5%
G
ND
&
.,
.,
v
t-
1
TP
2 (
BLA
CK 1
REF ERENCE
DES IG
NA-I
ONS
LAST
USED NOTUSEO
R45
C23
C
II
VR 2
VR I 3
LI
CRG
OI G
TP4
NOTES; U
NL
E.
SS
OTHERWISE SPECIFIED;
2 . A
LL
CAPAC
IT
ANC
E
VALU
E S
AR
E IN MICROFA
RAOS,
2
50VQl
TS
A8BR
EV
IAT
ION:
F.F.=
FLAT
FO
IL
T
YP
E, POL
Y=
PO
LYSTYRE
N
~
ALL DI
ODE
S ARE IN4
148
4. ALL 1/2 W
RE
SISTORS
ARE
5
%.
5 ALL 1
0/."
RESISTORS
ME
1M
W.
Fi
gure 8-2. Regula
to
r, Bi
as
Oscillator and
20
0472 L
Amp
li
fier P
WA
, Schematic Diagram
8-5
/8·
6

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Scully 280B Series Specifications

General IconGeneral
BrandScully
Model280B Series
CategoryTurntable
LanguageEnglish