DC
502
ELECTRICAL PARTS LIST (cont)
Ckt
Grid
Tektronix
Serial/Model No.
No.
Loc
Part No.
Eff Disc
Description
INTEGRATED
CIRCUITS (cont)
U241
G2
156-0039-00
Dual 15
MHz
J-K master-slave flip-flop
replaceable
by
SN7473N
U245
J2
156-0165-00
Dual
4-input positive nor
gates, replaceable,
CONNECTORS
by SN7425N
J100
131-0955-00
Receptacle,
electrical,
BNC, female
J180
131-0955-00
Receptacle,
electrical, BNC, female
INDUCTORS
L192
Q3
276-0569-00
Core,
toroid
ferrite
L199
Q2
120-0382-00
Toroid,
14 turns
single
TRANSISTORS
Q115
K5
151-1022-00
Silicon, FET, selected from 2N4392
Q122
K4
151-0325-00
Silicon,
PNP, replaceable by 2N4258
Q128
J6
151-0259-00
Silicon, NPN, selected from 2N3563
Q160
I6
151-0190-00
Silicon,
NPN,
replaceable by 2N3904 or TE3904
Q162
I6
151-0190-00
Silicon, NPN, replaceable by 2N3904 or TE3904
Q170
H6
151-0325-00
Silicon,
PNP, replaceable
by 2N4258
Q190
Q3
151-0362-00
Silicon, PNP, replaceable by SMT1105
Q195
03
151-0190-00
Silicon, NPN, replaceable by 2N3904 or TE3904
Q198
N3
151-0259-00
Silicon,
NPN,
selected from 2N3563
Q230
M4
151-0341-00
Silicon, NPN, replaceable by 2N3565
Q238
L4
151-0504-00
Silicon, unijunction, replaceable by 2N4851
Q240
L4
151-0341-00
Silicon, NPN, replaceable by 2N3565
Q242
J1
151-0341-00
Silicon, NPN, replaceable by 2N3565
Q280
F2
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q281
F1
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q282
G2
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q283
G1
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q284
G1
151-0301-00
Silicon,
PNP, replaceable by 2N3907
Q285
G1
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q286
G2
151-0301-00
Silicon, PNP, replaceable by 2N3907
Q320
S5
151-0515-01
Thyristor,
50 V,
8A, replaceable bv 2N4441
Q330
D6
151-0342-00
Silicon, PNP, replaceable by 2N4249
Q340
B4
151-0342-00
Silicon, PNP, replaceable by 2N4249
RESISTORS
R102
M4
323-0611-00
900
kΩ, 1/2 W,
17.
R103
M4
321-0617-00
111
kΩ, 1/8 W, 1%
R106
L4
323-0620-00
800
kΩ, 1/2 W,
17.
R107
L5
321-0423-00
249
kΩ,
1/8
W,
17.
R112
L5
321-0356-00
49.9
kΩ, 1/8 W,
17.
R113
L6
315-0103-00
10
kΩ, 1/4
W,
5%
R115
K6
315-0470-00
47 Ω, 1/4
W,
57.
R117
15
315-0101-00
100
Ω, 1/4
W, 5%
R118
K5
315-0182-00
1.8
kΩ, 1/4 W,
57.
R120
K5
315-0101-00
100 Ω,
1/4 W,
5%
R121
K5
315-0561-00
560
Ω,
1/4 W,
57.
R122
J4
315-0332-00
3.3
kΩ,
1/4
W,
57.
R123
K5
315-0223-00
22
kΩ,
1/4
W,
5%
R126
J5
315-0470-00
47
Ω, 1/4 W,
57.
R127
J5
315-0202-00
2
kΩ, 1/4 W,
57.
R130
J6
315-0102-00
1
kΩ, 1/4 W, 5%
R132
J6
315-0103-00
10
kΩ, 1/4 W.
57.
R135
311-1220-00
20
kΩ. Var
R137
M6
315-0513-00
B010100
B029999
51
kΩ, 1/4 W,
5%
R137
M6
315-0513-00
B030000
51
kΩ,
(nominal
value),
selected
R139
M6
315-0103-00
10
kΩ, 1/4 W.
5%
R140
L5
323-0612-00
950 kΩ. 1/2 W. IX
REV.
MAY
1974
3-4
Summary of Contents for DC 502
Page 4: ...DC 502...
Page 24: ...39 39 Relocated on back of board SN B070000 REV MAY 1974...
Page 33: ...FIG 1 EXPLODED...