Pa g e 2 of 5
475
C H A N G E TO:
R 2 3 7
3 1 7 - 0 2 4 2 - 0 0
2.4 kft (nominal v a l u e ) s e l e c t e d
R 238
3 1 7 - 0 2 0 2 - 0 0
2 kft (nominal valu e ) s e l e c t e d
R 245
3 1 5 - 0 6 2 0 - 0 0
62 ft, 1/4 W, 5%
R 276
3 1 1 - 1 2 2 6 - 0 0
2.5 kft, V a r
R 3 4 8
3 1 5 - 0 3 3 1 - 0 0
3 3 0 ft, 1/4 W, 57,
R 3 9 8
3 1 7 - 0 4 3 0 - 0 0
43 ft, 1/8 W, 57,
R 3 9 9
3 1 5 - 0 3 3 0 - 0 0
33 ft, 1/4 W, 57,
R 425
3 1 1 - 1 2 2 7 - 0 0
5 kft, V a r
R T 4 5 2
3 0 7 - 0 1 2 5 - 0 0
500 ft, T h e r m a l
S 3 7 5 A
2 6 3 - 1 0 1 9 - 0 0
A c t u a t o r a s s e m b l y , slide, 100 or 20 M H z
U 1 2 0
1 5 5 - 0 0 8 5 - 0 1
Hy b r i d , d u a l F E T input & a m p l i f i e r
U 2 2 0
1 5 5 - 0 0 8 5 - 0 1
H y b r i d , d u a l F E T inp u t & a m p l i f i e r
V R 1 4 4
1 5 2 - 0 1 6 6 - 0 0
S e l e c t e d f r o m 1N753A, 0 . 4 W, 6.2 V,
57,
V R 2 4 4
1 5 2 - 0 1 6 6 - 0 0
S e l e c t e d f r o m 1N753A, 0 . 4 W, 6.2 V,
57,
V R 2 9 0
1 5 2 - 0 1 6 6 - 0 0
S e l e c t e d f r o m 1N753A, 0.4 W, 6.2 V,
57,
V R 3 9 6
1 5 2 - 0 1 6 6 - 0 0
S e l e c t e d f r o m 1N753A, 0 . 4 W, 6.2 V,
57,
R E M O V E :
C375
2 8 1 - 0 5 4 4 - 0 0
5.6 pF, Cer, 5 0 0 V, 107,
C 3 7 6
2 8 1 - 0 5 8 9 - 0 0
170 pF, Cer, 5 0 0 V, 57,
R 1 4 9
3 2 1 - 0 2 6 0 - 0 0
4 . 9 9 kft, 1/8 W, 17,
R T 1 4 9
3 0 7 - 0 1 2 4 - 0 0
5 kft, T h e r m a l
R 2 4 9
3 2 1 - 0 2 6 0 - 0 0
4 . 9 9 kft, 1/8 W, 17,
R T 2 4 9
3 0 7 - 0 1 2 4 - 0 0
5 kft, T h e r m a 1
R 3 9 1
3 2 1 - 0 1 5 4 - 0 0
392 ft, 1/8 W, 17,
ADD:
C 3 7 7
2 8 1 - 0 5 6 4 - 0 0
24 p F , C e r , 57,
C 3 7 8
2 8 3 - 0 6 4 0 - 0 0
160 pF, 100 V, 17,
M 1 9 , 91 1 / 5 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 ...