Scully 280B Series - Page 49

Model 280B
Schematic Diagrams and Parts List
NOTE
\. UNLESS OTHERwISE: SP [ C lfl(O
ALL AESlSTOFt IJAL.L)(S ARE IN ()-O,IS,
1/4 WI ~%.
PI03
'2~V II ~--~----~--~~~-1----~-- -- ----~-------- ----------------------r--- --------l
01
04007
C.
. 'Uf~ 50V
, 201
R2
390
R3
3 90
RII
I.
RIO
I.
R9
4.7
'f;:
Q2
04107
,p I
(YELLOW)
4OVf>-P
RI
160 KHZ NOMINAL
4.7
~~w II
10""
3
( ~,'o'f
I :,~s
REFI:.R(NC[ DESIGNATIONS
LAS T US£.O NOT US£O
RI6
GNO 8
201817C
Figure 8-3. Bias Amplifier PWA Schematic Diagram
8-7/8-8