Performance Check Procedure— 2236 Service
b.
Select 10-
ms
time markers from the time-mark
generator.
c.
CHECK— Start of the sweep can be positioned to the
right of the center vertical graticule line by rotating the Hori
zontal POSITION control fully clockwise.
d.
CHECK— The 11th time marker can be positioned to
the left of the center vertical graticule line by rotating the
Horizontal POSITION control fully counterclockwise.
e.
Select 50-#ts time markers from the time-mark
generator.
f.
Align the 3rd time marker with the center vertical grati
cule line using the Horizontal POSITION control.
g. Set the X I0 Magnifier knob to On (knob out).
h.
CHECK— Magnified time marker can be positioned to
the left of the center vertical graticule line by rotating the
Horizontal POSITION control fully counterclockwise.
i.
CHECK— Start of the sweep can be positioned to the
right of the center vertical graticule line by rotating the Hori
zontal POSITION control fully clockwise.
j. Disconnect the test equipment from the instrument.
5. Check X Gain
a. Set:
CH 1 VOLTS/DIV
10 mV
Horizontal POSITION
Midrange
A SEC/DIV
X-Y
X I0 Magnifier
Off (knob in)
b.
Connect the standard-amplitude generator output via
a 50-0 cable to the CH 1 OR X input connector.
c.
Set the generator to produce a 50-mV signal. Verti
cally center the trace using the Channel 2 POSITION
control.
d. CHECK— Display is 4.85 to 5.15 horizontal divisions.
e. Disconnect the test equipment from the instrument.
6. Check X Bandwidth
a.
Connect the leveled sine-wave generator output via a
50-0 cable and a 50-0 termination to the CH 1 OR X input
connector.
b.
Set the generator to produce a 5-division horizontal
display at an output frequency of 50 kHz.
c. Increase the generator output frequency to 3 MHz.
d. CHECK— Display is at least 3.5 horizontal divisions.
e. Disconnect the test equipment from the instrument.
7.
Check Sweep Length
a.
Set the A SEC/DIV control to 0.1 ms and position the
start of the sweep at the first vertical graticule line using the
Horizontal POSITION control.
b.
CHECK— End of the sweep is to the right of the 11th
vertical graticule line.
4-11
Summary of Contents for 2236
Page 10: ...2236 Service viii The 2236 Oscilloscope ...
Page 74: ...Theory of Operation 2236 Service 3 30 ...
Page 102: ...Performance Check Procedure 2236 Service 4 21 Figure 4 1 Test setup for DMM common mode check ...
Page 242: ...2236 Service 4204 34 Figure 9 6 CTM basic block diagram ...
Page 243: ...DMM POWER S U P P LIE S 2236 Service F ig u re 9 7 C T M d e ta ile d b lo c k diag ram ...
Page 254: ...S I 0 O I 5 1 S O i 4204 21 C IR C U IT BOARD INTERCONNECTIONS ...
Page 267: ...1 2 3 4 5 6 7 8 9 J T K L M_ _ ___ N___l _ P____l S ...
Page 271: ...1 2 3 4 5 6 7 8 9 lO P2SO O U1 A TRIGGER V T O W2500 5 A 223 R E V A P R W G ...
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Page 285: ...A 6 F IL T E R B O A R D lo c a te d u n d e r H V S h ie ld ...
Page 313: ...2236 Service T O U I 3 0 0 4 8 K T O UI300 II S K 0 2 2 3 6 Z Z O A Z 2 OPTION IA ...
Page 317: ...A 10 C O U N T E R T IM E R M U L T IM E T E R B O A R D A D J U S T M E N T LO C A T IO N S ...
Page 319: ...2236 Service TROUBLESHOOTING GUIDE 4206 99 4204 69A ...
Page 323: ...9 ...
Page 324: ...2 REV APR 1986 ...
Page 325: ...2236 SERVICE ...
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