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4 7 5
EFF SN B l 2 0 0 0 0 - u p
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 3 9 0
1 5 1 - 0 4 4 1 - 0 0
REMOVE:
R3 9 6
3 1 5 - 0 1 0 0 - 0 0
(replaced b y a bare strap)
ADD:
C 3 9 4
2 8 1 - 0 5 4 7 - 0 0
R 1 0 3
3 1 7 - 0 1 2 0 - 0 0
R 2 0 3
3 1 7 - 0 1 2 0 - 0 0
R 3 9 7
3 1 5 - 0 4 7 1 - 0 0
Silicon, NPN, 2 N2857
10 ft, 1/4 W, 57„
2.7 pF, Cer, 5 0 0 V
12 ft (nomi n a l v a l u e ) s e l e c t e d
12 ft (nominal v a l u e ) s e l e c t e d
4 7 0 ft, 1/4 W, 57
-<3V
RIO 3
SEL
C R I0 7
- 8 V
C R 2 0 3
R204
13
\A A /—
R 203
S E L .
'XZ R 2 0 1
U I 2 0
p a r t i a l
-
C H I V E R T I C A L
PREAMP
U220
^
P ART IA L-
CH2 VERTICAL
PREAMP
R 3 9 7
4-70 1
1
I
— W \ -----f
R394-
Q 3 9 6
JZ
3 9 4 -
2 .7
R 3 9 5
-8 v
P A R T IA L -
VERT.
c h a n n e l
S W I T C H I N G -
M 2 0 , 86 4 / 7 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 ...