Section 6—475
ELECTRICAL PARTS LIST
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.
ABBREVIATIONS A N D REFERENCE DESIGNATORS
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 (lam p)
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
W W
wire-wound
F
Fuse
Y
Crystal
Tektronix
Seriai/Model No.
Ckt. No._________ Part No.
Eff
Disc____________
Description
A S S E M B L I E S
A 1
6 7 0 - 2 1 0 0 - 0 0
C H 1 A T T E N C i r c u i t B o a r d A s s e m b l y
A 2
6 7 0 - 2 1 0 0 - 0 0
C H 2 A T T E N C i r c u i t B o a r d A s s e m b l y
A 3
6 7 0 - 2 2 4 0 - 0 0
V E R T P R E A M P . C i r c u i t B o a r d A s s e m b l y
A 4
6 7 0 - 2 2 4 3 - 0 0
G A I N S W C i r c u i t B o a r d A s s e m b l y
A 5
6 7 0 - 2 2 4 2 - 0 0
V E R T O U T P U T C i r c u i t B o a r d A s s e m b l y
A 6
6 7 0 - 2 2 4 5 - 0 0
F A N M O T O R C i r c u i t B o a r d A s s e m b l y
A 7
6 7 0 - 2 2 4 4 - 0 0
T I M I N G C i r c u i t B o a r d A s s e m b l y
A 8
6 7 0 - 2 2 4 1 - 0 0
T R I G G E R G E N & Z A X I S L O G I C C i r c u i t B o a r d
A s s e m b l y
A 9
6 7 0 - 2 2 3 9 - 0 0
M A I N C i r c u i t B o a r d A s s e m b l y
A 1 0
6 7 0 - 2 2 7 9 - 0 0
G R A T I C U L E I L L U M C i r c u i t B o a r d A s s e m b l y
M O T O R
B 1 6 9 0
C A P A C I T O R S
1 4 7 - 0 0 3 5 - 0 0
M o t o r , 1 0 - 5 V D C , 1 4 5 m A
C I O
2 8 1 - 0 0 6 4 - 0 0
0 . 2 5 - 1 . 5 p F , V a r , T u b . , 6 0 0 V
C l l
2 8 3 - 0 0 0 0 - 0 0
0 . 0 0 1 u F , C e r , 5 0 0 V, + 1 0 0 % - 1 0 %
C 1 2
2 8 5 - 0 8 1 6 - 0 1
0 . 0 1 9 u F , P l a s t i c , 6 0 0 V, 1 0 %
C 1 3
2 8 3 - 0 0 0 0 - 0 0
0 . 0 0 1 u F , C e r , 5 0 0 V, + 1 0 0 % - 1 0 %
C301
C31J
>2
3 0 7 - 1 0 1 4 - 0 1
A t t e n u a t o r s t r i p , 1 0 0 X
C321
C33J
>2
3 0 7 - 1 0 1 3 - 0 1
A t t e n u a t o r s t r i p , 1 0 X
C341
C35J
>2
3 0 7 - 1 0 1 1 - 0 0
A t t e n u a t o r s t r i p , 1 0 X
C361
C37J
>2
3 0 7 - 1 0 1 0 - 0 1
A t t e n u a t o r s t r i p , 2 X
®
6-1
Summary of Contents for 475
Page 6: ...475 475 Oscilloscope ...
Page 20: ......
Page 46: ......
Page 151: ...A B C D E F G Fig 7 4 P 0 A4 Vertical Mode Switch circuit board ...
Page 152: ...n m m m 1 t siumm c ii im ...
Page 154: ...Diagrams 475 A B C D E F G ...
Page 155: ...GRID LOCATOR Fig 7 8 P O A3 Vertical Preamp circuit board ...
Page 157: ...Diagrams 475 ...
Page 158: ...GRID LOCATOR 2 3 4 5 6 7 8 9 1 10 11 1 12 Fig 7 10 P 0 A3 Vertical Preamp circuit board ...
Page 160: ...Diagrams 475 GRID LOCATOR Fig 7 11 A5 Vertical Output circuit board ...
Page 163: ...Diagrams 475 GRID LOCATOR Fig 7 12 P O A8 Trigger Generator And Sweep Logic circuit board ...
Page 167: ... 415 OSCILLOSCOPE B T R IG G E R G E N E R A T O R g B TR IG G E R GEN ER A TO R ...
Page 168: ...Diagrams 475 GRID LOCATOR ...
Page 172: ...SWEEP G E N ER A TO R S ...
Page 175: ...TIM IN G HORIZONTAL DISPLAY SWITCHING ...
Page 177: ...A 011 HORIZONTAL AMPLIFIER 8 l j k J Ll J Ol Z o N C O X U 1 C L O o v O o _J V v P O in r ...
Page 179: ... 476 OSCILLOSCOPE ...
Page 180: ...POWER SUPPLY ...
Page 182: ...CRT CIRCUIT ...
Page 185: ...C A L IB R A T O R A N D F A N C I R C U I T 4 C A LIB R A TO R FAN MOTOR C IR C U IT ...
Page 189: ......
Page 190: ...4 T 475 OSCILLOSCOPE FIG 1 FRO NT PANEL ...
Page 191: ...475 OSCILLOSCOPE FIG 2 MAIN FRAME ...
Page 199: ......
Page 200: ...FIG 3 RIGHT SIDE l 475 OSCILLOSCOPE ...
Page 201: ...V S X O t l B O T T OVJ 8 8 ...
Page 209: ......
Page 210: ...5 ...
Page 211: ...4 4 75 O S C ILLO S C O P E FIG 5 CAB IN ET ...
Page 215: ......
Page 237: ......
Page 241: ... 1 I R I II9A po S IT I o n f i n e I R l 130 PAGE 4 OF 5 R 1234 Ml 9 91 9 473 ...