Agilent Technologies 42D Specifications download pdf (Page 72)

4-6

Calibrating and Adjusting

To adjust the power supply

Adjust R40 if necessary to bring the +3.4 V voltage into tolerance. The

adjustment location is on the power supply as shown below.

Figure 4-2

Low Voltage Power Supply Adjustments (on the top of the oscilloscope)

5 If adjusting the power supply does not bring all the voltages within

tolerance, go to the “Troubleshooting” chapter.

Fan Connector

+3.4V Adjustment

service.book Page 6 Wednesday, August 28, 2002 3:25 PM

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 123 124

Agilent 54641A/42A 1
Oscilloscopes and 1
Agilent 54641D/42D 1
Mixed-Signal Oscilloscopes 1
The Oscilloscope At a Glance 2
In This Book 3
Contents 5
To inspect package contents 9
General Information 11
Figure 1-1 11
Table 1-2 13
Accessories available 13
Ω termination 13
Table 1-3. Power Cords 14
Performance Characteristics 15
Ω ±1%, 50-ohm selectable 16
Horizontal 18
Trigger System 19
Setting up the Oscilloscope 27
To adjust the handle 28
To power-on the oscilloscope 29
Intensity control 30
Dim Bright 30
Perfectly compensated 32
Over compensated 32
Under compensated 32
To connect a printer 37
To connect an RS-232 cable 37
Using Quick Help 41
Language menu 42
2Press the 42
Cleaning the oscilloscope 44
Testing Performance 45
List of Test Equipment 47
Berg Strip, 8-by-2 1 48
Jumper wire 48
HP 34401A 51
42thresh2.cdr 52
voltage 53
Set up the oscilloscope 54
To verify bandwidth 57
To verify trigger sensitivity 61
Agilent 54642A/54642D 64
Agilent 54641A/54641D 65
Calibrating and Adjusting 67
To adjust the power supply 70
Fan Connector 72
+3.4V Adjustment 72
, and trigger parameters 73
Troubleshooting 77
If there is no trace display 79
If you cannot see a channel 81
To check out the oscilloscope 84
Power Supply” on page 5-11 85
Is the fan running? 86
Supply Voltage Tolerance 88
To remove the cabinet 94
To remove the fan 95
To remove the floppy drive 96
To remove the front panel 97
To remove the display 98
Gently apply outward 99
To remove the system board 100
Replacing Assemblies 101
Figure 6-8 101
To remove the power supply 102
Figure 6-10 103
Removing the power supply 104
To remove the handle 106
Replaceable Parts 107
To order a replacement part 109
Figure 7-1 110
Table 7-1 111
DECLARATION OF CONFORMITY 115
ICES/NMB-001 116

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Agilent Technologies 42D Specifications Page 72

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