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.
Summary of Contents for MTX100A
Page 4: ......
Page 14: ...Service Safety Summary x MTX100A MPEG Recorder Player Service Manual ...
Page 16: ...Environmental Considerations xii MTX100A MPEG Recorder Player Service Manual ...
Page 21: ...Specifications ...
Page 22: ......
Page 24: ...Product Overview 1 2 MTX100A MPEG Recorder Player Service Manual ...
Page 39: ...Theory of Operation ...
Page 40: ......
Page 51: ...Performance Verification ...
Page 52: ......
Page 105: ...Maintenance ...
Page 106: ......
Page 140: ...Removal and Installation Procedures 4 34 MTX100A MPEG Recorder Player Service Manual ...
Page 152: ...Troubleshooting 4 46 MTX100A MPEG Recorder Player Service Manual ...
Page 156: ...Using the Recovery Discs 4 50 MTX100A MPEG Recorder Player Service Manual ...
Page 157: ...Options ...
Page 158: ......
Page 160: ...Options 5 2 MTX100A MPEG Recorder Player Service Manual ...
Page 161: ...Diagrams ...
Page 162: ......
Page 164: ...Diagrams 6 2 MTX100A MPEG Recorder Player Service Manual ...
Page 166: ...6 4 MTX100A MPEG Recorder Player Service Manual ...
Page 168: ...6 6 MTX100A MPEG Recorder Player Service Manual ...
Page 173: ...Replaceable Parts List ...
Page 174: ......
Page 190: ...Replaceable Parts List 7 16 MTX100A MPEG Recorder Player Service Manual ...