P a g e 6 of 10
S c h e m a t i c D i a g r a m and B o a r d P h o t o C hanges
Fig. 7-12
L562 or R 5 5 0 l o c a t i o n is d i r e c t l y b e l o w Q5 6 2
L552 or R5-60 l o c a t i o n is d i r e c t l y b e l o w Q 552
4 7 5
Service
S c h e m a t i c
( 5
C 5 1 7 is r e m o v e d in later produ c t i o n .
See E l e c t r i c a l Parts Li s t c h a nges for C515, L 6 6 9 & C669.
L552 is r e p l a c e d w i t h R 5 6 0 (56
0.)
L562 is r e p l a c e d w i t h R 5 5 0 (56 fi)
O u t p u t at r i g h t of R 5 6 8 s h o u l d read: "A' G A T E TO BASE OF Q5 7 2 <^7
S c h e m a t i c <^6
C7 0 8 is r e m o v e d in later p r o d u c t i o n
C735 v a l u e is c h a n g e d to 200 pF
Input to Base of Q 7 1 2 shou l d read:
CH 2 INT T R I G S I G F R O M C R 7 0 3 .
R721, C 7 2 1 a n d J7 2 0 are located o u t s i d e of the A 8 B o a r d outline.
The o u t p u t for the lead s h o w n c o n n e c t e d to the r i g h t c o n t a c t of
the left s e c t i o n of S705 s h o u l d read;
T O C R 8 1 4
(
7
Fig. 7-14
Th e s e parts are loca t e d as follows for some S/N:
C 6 4 4 b e l o w V R 6 4 7
C572 left of Q 5 7 2
C575 r i g h t of R 5 7 4
L 6 0 0 r i g h t of R 6 0 0
C 8 1 1 b e l o w C R 8 1 1
L802 left of Q 802
L 8 0 4 r i g h t of Q 8 0 2
C813 r i g h t of R 8 1 4
R7 9 2 r i g h t of R 7 9 7
L 5 8 8 left of Q 5 8 8
L826 b e l o w Q 8 2 6
C7 9 8 b e l o w C R 8 2 4
C583 b e l o w L 5 8 4
C 5 8 4 left of L 5 8 4
R 5 8 0 in pla c e of L 5 8 4
C823 r i g h t of Q 8 2 4
C 8 2 4 a b o v e Q 8 2 4
R 8 2 4 b e l o w J 824
R 5 8 4 b e l o w J 5 8 4
C l / 3 7 3
Содержание 475
Страница 6: ...475 475 Oscilloscope ...
Страница 20: ......
Страница 37: ...Circuit Description 475 1 1 0 S E R IE S Fig 3 8 Detailed block diagram of the Power Supply 3 17 ...
Страница 46: ......
Страница 151: ...A B C D E F G Fig 7 4 P 0 A4 Vertical Mode Switch circuit board ...
Страница 152: ...n m m m 1 t siumm c ii im ...
Страница 154: ...Diagrams 475 A B C D E F G ...
Страница 155: ...GRID LOCATOR Fig 7 8 P O A3 Vertical Preamp circuit board ...
Страница 157: ...Diagrams 475 ...
Страница 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 ...
Страница 160: ...Diagrams 475 GRID LOCATOR Fig 7 11 A5 Vertical Output circuit board ...
Страница 163: ...Diagrams 475 GRID LOCATOR Fig 7 12 P O A8 Trigger Generator And Sweep Logic circuit board ...
Страница 165: ... ti u s view sus t o y b s o H o o o o m 30 7 m z m 30 H O 30 475 OSCILLOSCOPE A T R IG G E R G E N E R A T O R S 7Z ...
Страница 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 ...
Страница 168: ...Diagrams 475 GRID LOCATOR ...
Страница 172: ...SWEEP G E N ER A TO R S ...
Страница 175: ...TIM IN G HORIZONTAL DISPLAY SWITCHING ...
Страница 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 ...
Страница 179: ... 476 OSCILLOSCOPE ...
Страница 180: ...POWER SUPPLY ...
Страница 182: ...CRT CIRCUIT ...
Страница 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 ...
Страница 189: ......
Страница 190: ...4 T 475 OSCILLOSCOPE FIG 1 FRO NT PANEL ...
Страница 191: ...475 OSCILLOSCOPE FIG 2 MAIN FRAME ...
Страница 199: ......
Страница 200: ...FIG 3 RIGHT SIDE l 475 OSCILLOSCOPE ...
Страница 201: ...V S X O t l B O T T OVJ 8 8 ...
Страница 209: ......
Страница 210: ...5 ...
Страница 211: ...4 4 75 O S C ILLO S C O P E FIG 5 CAB IN ET ...
Страница 215: ......
Страница 237: ......
Страница 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 ...