Adjustment Procedure— 2236 Service
q. ADJUST— The probe compensation (see the” Operat
ing Instructions” section of this manual) for a reading of
4.000 V.
r. CHECK— Reading is within the limits shown in Table
5-10 for each CH 1 VOLTS/DIV switch setting and calibrator
voltage combination at 20 kHz.
Table 5-10
Ac Probe Readout Checks
CH 1
VOLTS/DIV
Calibrator Ac
Display Readout
Switch
Setting
Voltage (V)
Limits (V)
0.5 V
40
39.76 to 40.24
5 V
300
298.2 to 301.8
s. Disconnect the test equipment from the instrument.
12. Adjust Beeper Volume (R1832)
a. Select the Continuity function by pushing in the AC
RMSV and TEMP buttons simultaneously.
b. Connect one DMM test lead to the instrument and
short the tip to the other DMM input.
c. ADJUST— Volume (R1832) fully clockwise for full
volume.
d. Disconnect the test lead from the instrument.
13. Check Ohms
a. Select the (2 function.
b. Connect one DMM test lead to the instrument and
short the tip to the other DMM input.
c. CHECK— Reading is less than .20 0.
e. Connect the ohms calibrator via a female-to-dual ba
nana adapter, a 50-fl cable, and a female-to-dual banana
adapter to the MULTIMETER INPUTS connector.
NOTE
The connection resistance must be less than 200 mQ.
Compensate for any measurement error in the 10-
and 100-0 checks by noting the reading obtained
when the calibrator output is shorted and adjust the
readings accordingly. Alternately, use the 4-wire sens
ing capability of the calibrator to eliminate measure
ment error.
f. CHECK— Reading is within the limits shown in Table
5-11 for each calibrator output resistance.
Table 5-11
Resistance Readout Checks
Calibrator
Resistance (Q)
Display Readout
Limits (Q)
10
9.77 to 10.23
100
99.6 to 100.4
1 k
.996 k to 1.004 k
10 k
9.96 k to 10.04 k
100 k
99.6 k to 100.4 k
1 M
.996 M to 1.004 M
10 M
9.96 M to 10.04 M
g. Disconnect the test equipment from the instrument.
NOTE
The next two checks use two high-resistance preci
sion resistors. To preserve the accuracy of these re
sistors, store them in a dean, dry environment and do
not allow finger contact or other forms of contamina
tion on the resistor body. If contamination is sus
pected, wash the resistor body with isopropyl alcohol
and air dry. If exposed to excessive humidity, bake
the resistors at 200° F for 4 hours.
h. Connect the DMM test leads to the instrument; then
connect the 150 MS2 precision resistor to the test leads.
d. Disconnect the DMM test lead from the instrument.
i. CHECK— Reading is between 148.4 MQ and 151.6 MIL
Содержание 2236
Страница 10: ...2236 Service viii The 2236 Oscilloscope ...
Страница 28: ...Specification 2236 Service 1 18 ADD JAN 1985 Figure 1 2 Physical dimensions of the 2236 Oscilloscope ...
Страница 74: ...Theory of Operation 2236 Service 3 30 ...
Страница 75: ...Theory of Operation 2236 Service Figure 3 13 Typical waveforms for the Delta Time function with Valt HI 3 31 ...
Страница 102: ...Performance Check Procedure 2236 Service 4 21 Figure 4 1 Test setup for DMM common mode check ...
Страница 240: ...2236 Service CTM INTERFACE SIGNALS F ig u re 9 4 O s c illo s c o p e b a sic b lo c k diag ram 4294 46 ...
Страница 241: ... VERT DEFL 2236 Service 4 2 0 6 3 5 4 2 0 4 4 7 F ig u re 9 5 O scillo sco p e d e ta ile d b lo c k diag ram ...
Страница 242: ...2236 Service 4204 34 Figure 9 6 CTM basic block diagram ...
Страница 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 ...
Страница 253: ...A10 COUNTER TIMER MULTIMETER BOARD F ig u re 9 8 C irc u it b o a rd lo c a tio n Illu s tra tio n ...
Страница 254: ...S I 0 O I 5 1 S O i 4204 21 C IR C U IT BOARD INTERCONNECTIONS ...
Страница 255: ...2 2 3 6 S e rv ic e A ll c o m p o n e n ts on th e A 2 A tte n u a to r b o a rd are lo c a te d on D ia g r a m ...
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Страница 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 ...
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Страница 319: ...2236 Service TROUBLESHOOTING GUIDE 4206 99 4204 69A ...
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