Agilent Technologies 35670A Service Manual page 225

Agilent 35670A
•
Press the following keys:
System Utility ]
[
[ CALIBRATN ]
[ AUTO CAL OFF ]
[ Input ]
[ ALL CHANNELS ]
[ CH* FIXED RANGE ]
1
[ Vpk ]
[ Source ]
[ SOURCE ON ]
[ LEVEL ]
1
[ Vpk ]
[ System Utility ]
[ MORE ]
[ SERVICE TESTS ]
[ SPCL TEST MODES ]
[ HIGH LEVEL CAL ]
•
If the signal does not look like the following figure, the A5 Analog assembly is
probably faulty.
Oscilloscope Setup
Connect CH1 to A1/A2 TP 17
CH1 V/div 2 V/div
Input
1 M Ω
Impedance
dc
CH1 Coupling
10
Probe Atten
Repetitive
Display Mode 8
Averaging 20 ms/div
Time/div Trg'd Sweep
Trigger Chan1
Trig Src
• Press [
LOW LEVEL CAL
• If the signal does not look like the following figure, the A5 Analog assembly
is probably faulty.
Oscilloscope Setup
Connect CH1 to A1/A2 TP 17
CH1 V/div 200 mV/div
Input
1 M Ω
Impedance
dc
CH1 Coupling
10
Probe Atten Repetitive
Display Mode 8
Averaging 20 ms/div
Time/div Trg'd Sweep
Chan1
Trigger
Trig Src
To troubleshoot source and calibrator failures
Parameters
Amplitude
Time
High Level Calibrator
].
Parameters
Amplitude
Time
Low Level Calibrator
Troubleshooting the Analyzer
Waveform
Waveform
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