4 7 5 S e r v i c e
E F F S N B O 7 0 0 0 0 -up
E L E C T R I C A L P A R T S
L I S T A N D S C H E M A T I C C O R R E C T I O N
C H A N G E TO:
Q 1 1 2 4
1 5 1 - 0 2 1 2 - 0 0
Silic o n , NPN, 2 N 3 5 7 2
Q 1 1 3 4
1 5 1 - 0 2 1 2 - 0 0
S i l i c o n , NPN, 2 N 3 5 7 2
R 922
3 1 5 - 0 4 7 1 - 0 0
4 7 0 ft, 1/4 W, 5%
REMOVE:
C 9 8 4
2 8 1 - 0 5 0 3 - 0 0
8 pF, 500 V
R T 1 1 2 3
3 0 7 - 0 1 2 4 - 0 0
5 kft, T h e r m a l
A D D :
C 985
2 8 1 - 0 5 2 3 - 0 0
100 pF, 3 5 0 V
R 9 8 4
3 1 5 - 0 2 0 1 - 0 0
2 0 0 ft, 1/4 W,
5%
R 1 1 0 5
3 1 5 - 0 5 1 0 - 0 0
51 ft, 1/4 W, 5%
R T 1 1 0 3
3 0 7 - 0 1 2 5 - 0 0
5 0 0 ft, T h e r m a l
TO
G R .9 8 8
5^ J 5 -9
P A R T I A L '
S W E E P G E N .
-<3V
J I I O I
:
r i i o
3
2.7 K
0 -
[ * 1
R 1 101
R II0 5
a m
—• —
t i r
R T I I 0 3
5 0 0
L I 1 0 2
P A R T IA L -
HORIZONTAL AM F?
M 2 0 , 4 3 3 / 4 7 3
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 ...