".#+.)* " "/0/
".#+.)* " ".&#& 0&+*
4Ć24
("576
m
/ 1( "(4 1. 4
&)" .'"./ *0"*/&#&"!
1( "(4 1. 4
"!&*$ &)&0/
Second and third
473
m
s to 527
m
s
Second and fourth
970
m
s to 1.03 ms
Second and sixth
1.97 ms to 2.03 ms
Second and tenth
3.96 ms to 4.04 ms
20. Press the
button and set the main sec/div scale
to 200 ns.
21. Press the
button and set the delayed sec/div
scale to 20 ns.
22. Set the time mark generator for 0.2
m
s markers.
23. Using the General Purpose Knob, position the second intensified zone
on the main sweep to the tenth time marker; then, slightly adjust the
General Purpose Knobto superimpose the delayed sweep time markers
at the graticule center.
24. Check the dual delay accuracy (
D
Time) reading is in the range of
1.58
m
s to 1.62
m
s.
25. Press the
button and set
D
to
##
.
26. Press the
button and select
1( "(4 &/("!
.
27. Press the
button and set
to
##
28. Disconnect the test setup from the oscilloscope.
These procedures check those characteristics that relate to the trigger
system and are listed as checked under
Warranted Characteristics
in
Section 1,
Specifications
.
%" ' .&$$". "*/&0&2&04
-1&,)"*0 "-1&."!
One sine wave generator (item 8), one 10X attenuator
(item 2), one precision coaxial cable (item 5), one dualĆinput coupler
(item 7), and two 50
W
terminations (item 3).
+3 ."-1"* 4
Ċ
The following steps check trigger sensitivity at 25 MHz.
1. Display channel 1, turning all others off.
2. Connect the output of the sine wave generator to the
and
inputs as shown in Figure 4Ć12.
.&$$". 4/0")
%" '/
Summary of Contents for TAS 465
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Page 24: ...1 4...
Page 38: ...1 18...
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Page 86: ...5 2 Display Driver board Analog board...
Page 103: ...5 19 D D...
Page 104: ...5 20 R321 R322 R323 R112 R154 R111 R140 R141 C121 C122...
Page 105: ...5 21 Ch2 10X Ch2 100X Ch1 10X Ch1 100X...
Page 106: ...5 22 R43...
Page 107: ...5 23 J205 CAL DIS...
Page 108: ...5 24...
Page 109: ...6 1 H H H H H H...
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Page 123: ...6 15 1 Unplug 2 Rotate 3 Pull Line Fuse...
Page 125: ...6 17 Front Foot Rotate and remove Mounting Screws 4 Mounting Screw...
Page 129: ...6 21 Spudger EMI Gaskets 4 H H H...
Page 136: ...6 28 Display Driver Board A3 Mounting Screw High Voltage Cover Mounting Screw H H H...
Page 137: ...6 29 CRT Implosion Shield Spudger Slot In CRT Bracket Implosion Shield Guides...
Page 139: ...6 31 Fan Mount Flex locks Fan...
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