Record/Playback Amplifier Pwa - Scully 280B Series Instruction And Maintenance Manual

Recorder-reproducer
Table of Contents

Advertisement

'::[P
,IO
~I=~
-
.:::~
.
1-
'
[
C
fo{'\)
f;[
.
..
~
.).
::;
L:
'"
,r.
.
..r
1-'
(
. . : 0
1:,
e;
·!i-
Ir.
f>:,4.S
I
~
.
I
,
.
t--ll-"
I
'C
:
'.;
L
~,
.
'
2
~
~i;'
:5
c:.
F(
"
~
,
~
-
z:;' . J
.J
:
I~i
"
r - ­ - -
E:"u~)
ztP
AS£
?:COOs
I
...
~_
:
;I"t
f
::
-
- - - ,
I
L0
...·
_
________
r
-
-
-
-
-
-
- -
-
-
-
-
-
- ­
-
-
-,
_
.
"
..,.,.,
_J
I
- ­ -=- -=-
-=
=.
=:
--
-~
-
~
- '
r,- ­
r
",1
I
I
,0'
I
I
=~
I=o,
(
_
>l(
;:
[1]
>.'
:'
I I
0
I
' v
I
'''''' ' O J
I
~
,
I
REC
FUllC
TnN
TI
...
r~
G (CK~J
Schematic
Diagrams and Parts Lisl
L
IPi(
~
'!
L
~f:
01..1
'
E:.
L
I{j
~·l
')
'
".
~
~
';
...
,.,
~
.
~
:
'I
D
.j.
2=~
r.
~
I
,"
.
'XI'"
SQ
\.;E
t CH
{\
~
~
,
2OCI:
- -
:;,~
:' -
1'
;
I
c
(
In
-;:-I
r--.-c
l
- ­
~
("
CJ
I
. ,
r""
"0"
1
--::l
c.
r9
~
L
I
~
I
j
,
:
200457L
T2
..(
'"''
-~
.(
-
~
[
I
TPlolWKHZ
~
' 2£,'
~
OV
pop
I
II
R'::(
m
lO
'
)
V
A.
O
'
HER
l
-
ZL-
-
A"
'C"" ­
.
V
\
...J
_
;.J
I
I
I
NOTES
:
Unless
o
th
erWise
spl:c
ified:
I
2. Al
l
capacitC"!ncl:!
va
lu
~s
<i
re
In
m
icr
ofa
rads,
35V,
i
20%.
I
3.
A
ll di odes
are
5
0-05.
All tr
3mist
ors.
are
Be
550.
For
hol
d
5~r
­
I
I
vice,all
erna
te
for
Q12
.
15,
16
15
2
N
50 89
I
For
Q
l
, 4,
6-8,18
&
14
are
:tN5039
or
I
BCS49C.
I
t§)
Two
Raysistors in
Mo
no,
IC
I1l0Y~
IIJ
mper
,
I
R4
;n
mono ;s
820.
1/2W.
l
" \lV
J
6
.
RelaY
!i
K 1, K2
schematic
[I
~' "l_
as
vi
ew
ed
from bottom
.
~~
i'
(2)
Cl01
&
C102ar•.02
2S
V
I
t
O!'\;
,
R10·14
._
.
is
5 G1\...
Components
are
mounted
0
11
rear
o
f
switc
h
$104 at
sw
itch pir.
s.
I
" ,
.
'
''':,
' i : '
.
~
'N "
CO",O
1
"
'0R=7~v
ALL
0
111E.R
I
M
O
DES
I-dO
­
I
I
1
1
~
Figure
8-4.
Rec
ord/ Playbac
k
Amplifier PWA
Schemalic
Diagram
8-9/8-10

Advertisement

Table of Contents
loading

Related Products for Scully 280B Series

Table of Contents