C alibration-475
c.
A DJU ST—Horizontal
Gain,
R1155, for 1
time
marker/division, within 1%, from +20°C to +30°C; for 1
time marker/division, within 3%, from —15°C to +55° C.
d.
Use 0.1 ms time markers.
e.
Push X 10 MAG in.
f.
Check that the X I 0 MAG light is on.
g.
Check for 1 time marker/division, within 2%, from
+20°C to +30°C; for 1 time marker/division, within 4%,
from —15°C to +55° C.
40. Adjust Magnifier Registration
a.
Use 5 ms time markers.
b.
A DJU ST—Magnifier Registration, R1130, to position
the second time marker to the center vertical line, within
0.4 division, between positions of X I 0 MAG switch.
41. Check V A R T IM E /D IV Range
a. A T IM E /D IV to 2 ms.
b. Use 5 ms time markers.
c.
Check for 1 time marker/division by rotating the
V A R T IM E /D IV control.
d. Check U NC AL light.
42. Check Horizontal POSITION Control Range
43. Adjust 10 jits Timing
a.
Both T IM E /D IV to 10
ms
.
b. Use 10
ms
time markers.
c.
A D JU ST—C l 064 for 1 time marker/division, within
1%, from +20°C to +30°C; 1 time marker/division, within
3%, from - 1 5°C to +55° C.
d. H O R IZ D IS PLA Y to A IN T E N ,
B T IM E /D IV to 0.01 Ms.
e.
A D JU ST—C l 023 for 1 time marker/division, within
1%, from + 2 0 ° C to +30°C; 1 time marker/division, within
3%, from - 1 5°C to +55° C.
44. Adjust 0.1
ms
Timing
a. D E L A Y T IM E POSITION to 1.00,
H O R IZ D IS PLA Y to A IN T E N ,
B T IM E /D IV to 0.1 Ms.
b. Use 0.1 Ms time markers.
c. A D JU ST—C l 025 for 1 time marker/division, within
2%, from +20°C to +30°C; 1 time marker/division, within
3%, from —15°C to +55° C.
d. H O R IZ D IS PLA Y to A,
both T IM E /D IV to 0.1 Ms.
e.
A D JU S T—C l009 for 1 time marker/division, within
1%, from +20°C to +30°C; 1 time marker/division, within
3%, from - 1 5°C to +55° C.
45. Adjust Horizontal Output Centering
a. A T IM E /D IV to X -Y ,
H O R IZ D ISPLA Y to A.
b. Horizontally center the dot.
c.
Adjust the CH 1 POSITION until the voltage on the
collector of Q1214 equals that on the collector of Q1204.
d.
A D JU ST—Horizontal Output Center, R1256, for
+50 V on the collectors of Q 1214 and Q1204.
46. Adjust High Speed Timing-Visual Method
a.
A T IM E /D IV to 0.05
ms
,
X I 0 MAG pushed in,
A SOURCE to E X T ,
A CO U PLIN G to LF REJ.
5-20
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 ...
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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 ...