Calibration—475
42. Adjust Trigger DC Balance
Page 5-41
43. Check B Trigger DC Balance
Page 5-42
44. Check
B
Internal
40
Megahertz
Triggering
Page 5-42
45. Check A
Internal 40
Megahertz
Triggering
Page 5-42
46. Check A External 40 Megahertz
Triggering
Page 5-43
47. Check
B External 40 Megahertz
Triggering
Page 5-43
4 8 . Check
External
200
Megahertz
Triggering
Page 5-43
49. Check B
Internal 200 Megahertz
Triggering
Page 5-44
50. Check A Internal 200 Megahertz
Triggering
Page 5-44
51. Check HF REJ Triggering
Page 5-45
52. Check B 60 Hertz and LF REJ
Triggering
Page 5-46
53. Check A 60 Hertz and LF REJ
Triggering
Page 5-46
54. Check A LE V E L Control External
Range
Page 5-47
55. Check B L E V E L Control External
Range
Page 5-47
56. Check Single Sweep Operation
Page 5-47
57. Check Normal Mode Operation
Page 5-48
58. Check LIN E Triggering
Page 5-48
59. Check Automatic Recovery Time
Page 5-48
60. Adjust Trigger View Centering
Page 5-48
6 1 . Check
Trigger
View
Deflection
Factor
Page 5-49
H O R IZ O N T A L SYSTEM C A L IB R A T IO N
62. Adjust Delay Start and Delay Stop
Page 5-49
63. Check Differential Time Accuracy
Page 5-50
64. Adjust Horizontal Amplifier Gain
Page 5-50
65. Adjust Magnifier Registration
Page 5-51
66. Check V A R T IM E /D IV Range
Page 5-51
67. Check Horizontal POSITION Control
Range
Page 5-51
68. Adjust 10 Microsecond Timing
Page 5-51
69. Adjust 0.1 Microsecond Timing
Page 5-52
70. Adjust Horizontal Output Centering
Page 5-52
71. Adjust
High-Speed
Timing—Visual
Method
Page 5-53
72. Adjust High-Speed Timing—Current
Probe Method
Page 5-54
73. Check T IM E /D IV Accuracy
Page 5-55
74. Check A IN T E N Timing Accuracy
Page 5-56
75. Check Magnified Timing Accuracy
Page 5-56
76. Check Delay Time Accuracy
Page 5-56
77. Check Delay Time Jitter
Page 5-57
78. Check Mixed Sweep Timing Accuracy
Page 5-57
79. Adjust X Gain
Page 5-57
80. Adjust X -Y Phasing and Bandwidth
Page 5-58
81. Check B ENDS A Operation
Page 5-58
82. Check A T R IG H O LD O FF Operation
Page 5-58
C A L IB R A T O R , + GATES, and E X T Z-A XIS
T IO N
C A LIB R A -
83. Adjust C A LIB R A TO R Amplitude
Page 5-59
84. Check A and B + GATE Outputs
Page 5-59
85. Check E X T Z -A X IS Operation
Page 5-59
Preliminary Procedure for Calibration
N O TE
This instrument should be adjusted a t an ambient
temperature o f +25° C (±5°C ) fo r best overall
accuracy.
1. Remove the dust cover from the 475 as outlined in
the Disassembly Instructions in the Maintenance section of
the manual.
5-24
®
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 ...