Scully 280B Series - Page 134

Table 8-1. Schematic Diagrams and Parts Li st
FTG.
&.
HEL
QUANTITY P En ASSEMBLY
-02
DESCmPTION
P ART
NO.
I
~
MFR.
PART
,,0.
CODE
lDENT.
NO.
8-55
Re<;1ulator, bias
PWA
(continued)
osc
& ampl
200470-02
i
R14
1
Re
s, carb,
270n ±5%,
1/
2W
150324
R22 1
Res,
1j 2W
carb,
1.5 kn
±5%, 150333
Q6,
Q 13
2
Xstr
152050 2N4401
03508
Q5,
Q7,
Q16
3
Xstr
152051 2N4403
03508
Q
4,
Q9,
Q10,
Q 11
4
Xstr
152018 BC409C
(Alternates:
A 1 59 C , BC 1 09 C,
BC549C)
25403
Q12
1
Xstr
152020
D40D5 03508
C19
1
Cap,
Ta,
rdl
±20%,
35V
ld,
10
)JF
171013
TAG-20- 10j
35-20
80795
Q3
1
Xstr, PET
152055 2N5457 27014
Q 14
1
Xstr,
pwr
152024 MJE3055
04713
Q2,
Q15
2
Xstr, silicon
152046 2N2905-A
04713
Q1
1
Xstr,
silicon, NPN
152047 D40D7
03508
Q8
1
Xstr,
silicon,
PNP
152048 D41D7 03508
36
1
Heatsink
200530-01
CR2,
CR3,
CR5,
CR6
4
Diode
153000
1N4148
03508
CR1,
CR4
2
Diode
153001 So05
12060
VR2
1
Diode, 12V zener
153020 1N4742A 04713
R10 1
Res, var,
200 kn
156043 3349W-204 80294
43 3
Nut,
unc
machine, hex, 4-40 111052
44
2
Lockwasher, int t,
f!4
111022
C17,
C20,
C22
4
Cap,
elctlt, 4.7
\.IF,
63V 164002
ET4P7X063A3 80031
8-122