h. Turn the CH 2 V O L T S /D IV switch to 10 m V.
i. C HECK—Repeat step 32-d.
j. A DJU ST—Channel 2's C36 and C37 (see Fig. 5-19)
with a low-capacitance screwdriver, for best corner and
flat-top waveform.
k. CAL A ID —Remove the 20 pF normalizer when
adjusting or checking the corner response.
l
. IN T E R A C T IO N —Between Channel 2's C36 and C37.
Re-adjust both for optimum response.
m. Turn the CH 2 V O L T S /D IV switch to 20 mV.
n. CHECK—Repeat step 32-d.
o. ADJU ST—Channel 2's C34 and C35 (see Fig. 5-19),
with a low-capacitance screwdriver, for best corner and
flat-top waveform.
p. IN T E R A C T IO N —Between Channel 2's C34 and C35.
Re-adjust both for optimum response.
q. Turn the CH 2 V O L T S /D IV switch to 50 m V.
r. CHECK—Repeat step 32-d.
s. A DJU ST—Channel 2's C32 and C33 (see Fig. 5-19)
with a low-capacitance screwdriver, for best corner and
flat-top waveform.
Fig. 5-19. Location of V O L T S /D IV Compensation adjustments.
C alib ratio n -475
t.
IN T E R A C T IO N —Between Channel 2's C32 and C33.
Re-adjust both for optimum response.
u. Turn the CH 2 V O L T S /D IV switch to 0.1 V.
v. CHECK—Repeat step 32-d.
w. Turn the CH 2 V O L T S /D IV switch to 0.2 V.
x. C HECK—Repeat step 32-d.
y. Turn the CH 2 V O L T S /D IV switch to 0.5 V.
z. CHECK—Repeat step 32-d.
aa. A D JU ST—Channel 2's C30 and C31 (see Fig. 5-19)
with a low-capacitance screwdriver, for best corner and
flat-top waveform.
ab. IN T E R A C T IO N —Between Channel 2's C30 and C31.
Re-adjust both for optimum response.
ac.
Repeat step 32-z for 1 V , 2 V , and 5 V positions of
the CH 2 V O L T S /D IV switch.
33. Adjust CH 1 V O L T S /D IV Compensation
a. Set the V E R T MODE switch to CH 1 and move the
test signal to the CH 1 input.
b. Adjust the Square-Wave Generator (Type 106) for a
five division display of a 1 kHz signal. Add or remove
attenuators as necessary to maintain a five division display.
c. CHECK—CRT display for flat-top waveform with no
more than
2%
overshoot or roll-off on the leading edge.
d. A DJU ST—C50 (see Fig. 5-19) with a low-capacitance
screwdriver for best flat-top waveform.
e. Turn the CH 1 V O L T S /D IV switch to 2 m V.
f. C HECK —Repeat step 33-d.
g. Turn the CH 1 V O L T S /D IV switch to 10 m V.
©
5-37
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 ...
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Page 190: ...4 T 475 OSCILLOSCOPE FIG 1 FRO NT PANEL ...
Page 191: ...475 OSCILLOSCOPE FIG 2 MAIN FRAME ...
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Page 200: ...FIG 3 RIGHT SIDE l 475 OSCILLOSCOPE ...
Page 201: ...V S X O t l B O T T OVJ 8 8 ...
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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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