Tektronix DC 502, Instruction Manual

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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
Al2
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%
C110 *
L5 283-0068-00 B010100 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%
C110z
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
3-2