Performance Verification
3-4
MTX100A MPEG Recorder & Player Service Manual
4.
In the dialog box, select the
Ext Trigger BNC
button to open the Ext
Trigger BNC dialog box.
5.
In the dialog box, set
BNC IN/OUT
to
Output
and
BNC OUT Selection
to
27MHz
.
6.
Verify that the measured values are as follows:
High Level:
> 2.2 V
Low Level:
< 0.8 V
7.
Disconnect the 50
Ω
BNC cable from the oscilloscope CH1 input, and then
connect the BNC cable to the CH1 connector on the frequency counter. See
Figure 3-2.
MTX100A rear panel
Frequency counter (53181A )
50
Ω
BNC cable
Figure 3-2: Equipment connection for verifying the internal clock frequency
8.
Set the frequency counter settings as indicated below:
MEASURE
Frequency1
. . . . . . . . .
Gate Time: 0.20 s
CHANNEL1
Coupling: DC
. . . . . . . .
Impedance: 50
Trigger: AUTO TRIG ON
9.
Verify that the frequency counter reading falls within the range of
26.999973 MHz to 27.000027 MHz (< 1.0 ppm).
10.
In the Ext Trigger BNC dialog box, change
BNC IN/OUT
to
Input
.
11.
Disconnect the BNC cable from the MTX100A and frequency counter.
Содержание MTX100A
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Страница 14: ...Service Safety Summary x MTX100A MPEG Recorder Player Service Manual ...
Страница 16: ...Environmental Considerations xii MTX100A MPEG Recorder Player Service Manual ...
Страница 21: ...Specifications ...
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Страница 24: ...Product Overview 1 2 MTX100A MPEG Recorder Player Service Manual ...
Страница 39: ...Theory of Operation ...
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Страница 51: ...Performance Verification ...
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Страница 105: ...Maintenance ...
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Страница 140: ...Removal and Installation Procedures 4 34 MTX100A MPEG Recorder Player Service Manual ...
Страница 152: ...Troubleshooting 4 46 MTX100A MPEG Recorder Player Service Manual ...
Страница 156: ...Using the Recovery Discs 4 50 MTX100A MPEG Recorder Player Service Manual ...
Страница 157: ...Options ...
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Страница 161: ...Diagrams ...
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Страница 173: ...Replaceable Parts List ...
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