Tektronix DC 502 User Manual

I
DC 502
ELECTRICAL PARTS LIST
ABBREVIATIONS AND REFERENCE DESIGNATORS
Replacement parts should be ordered from the Tektronix Field Office or Representative in your area.
Changes to Tektronix products give you the benefit of improved circuits and components. Please include
the instrument type number and serial number with each order for parts or service.
A
Assembly, separable or
FL
Filter
PTM
paper or plastic, tubular
repairable
H
Heat dissipating device
molded
AT
Attenuator, fixed or variable
(heat sink, etc.)
R
Resistor, fixed or variable
B
Motor
HR
Heater
RT
Thermistor
BT
Battery
J
Connector, stationary portion S
Switch
C
Capacitor, fixed or variable
K
Relay
T
Transformer
Cer Ceramic
L
Inductor, fixed or variable
TP
Test point
CR
Diode, signal or rectifier
LR Inductor/resistor combination
U
Assembly, inseparable or
CRT
cathode-ray tube
M
Meter
non-repairable
DL
Delay line
Q
Transistor or silicon-
V
Electron tube
DS
Indicating device (lamp)
controlled rectifier
Var Variable
Elect.
Electrolytic
P Connector, movable portion
VR
Voltage regulator (zener diode,
EMC electrolytic, metal cased
PMC
Paper, metal cased
etc.)
EMT
electrolytic, metal tubular
PT
paper, tubular
ww
wire-wound
F
Fuse
Y
Crystal
Tektronix Serial/Model No.
Ckt. No.
Part No.
Eff
Disc
Description
ASSEMBLIES
670-2102-00
B0 10100
B039999
MAIN Circuit Board Assembly
A1 2
670-3409-00 B040000
MAIN Circuit Board Assembly
Al 2
670-3410-00
MAIN Circuit Board Assembly
A2
670-2103-00 DISPLAY Circuit Board Assembly
A3
670-2438-00
÷ 10 PRE-S CALER Circuit Board Assembly
A4
670-2708-00
PROTECTION Circuit Board Assembly
A5
670-3300-00 XB040000
r 5 Circuit Board Assembly
CAPACITORS
C102
M5
281-0510-00 22 pF, Cer, 500 V, 20%
C10 3
M4
281-0605-00
200 pF, Cer, 500 V
C106 L4
281-0509-00
15 pF, Cer, 500 V, 10%
C107 L5
281-0540-00 51 pF, Cer, 500 V, 5%
C 110 *
L5
283-0068-00
B0 10100
B050499 0.01 µF, Cer, 500 V, +100%-0%
C110
L5
283-0267-00
B050500
0.01 µF, Cer, 500 V, 20%
C110 2
L5
283-0068-00
B010100 B040502
0.01 µF, Cer, 500 V, +100%-0%
C110 z
L5
283-0267-00
B040503
0.01 µF, Cer, 500 V, 20%
C112
L5
281-0571-00
82 pF, Cer, 500 V, 20%
C113
L6 283-0003-00 0.01 µF, Cer, 150 V, +80%-20%
C122
K5 283-0000-00 0.001 µF, Cer, 500 V, +100%-0%
C127
K5
283-0000-00 0.001 µF, Cer, 500 V, +100%-0%
C139 M5
283-0003-00
0.01 µF, Cer, 150 V, +80%-20%
C140
L5 283-0177-00
1 µF, Cer, 25 V, +80%-20%
C141
M5
283-0000-00 0.001 µF, Cer, 500 V, +100%-0%
C152
J5 281-0589-00
170 pF, Cer, 500 V, 5%
C181 R2
283-0219-00
1500 pF, Cer, 50 V, 20%
C182
R3 283-0219-00 1500 pF, Cer, 50 V, 20%
C184 R2 283-0219-00
1500 pF, Cer, 50 V, 20%
C187
R3 283-0219-00
1500 pF, Cer, 50 V, 20%
C188
Q3
283-0219-00
1500 pF, Cer, 50 V, 20%
C189
Q3
283-0154-00 22 pF, Cer, 50 V, 5%
C191
Q2
283-0204-00 0.01 µF, Cer, 50 V, 20%
^Standard only.
Option 1 only.
REV. MAY 1974
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Tektronix DC 502 Specifications

General

Brand	Tektronix
Model	DC 502
Category	Cash Counter
Language	English