Anritsu MT8802A - Page 28

Section 4 Troubleshooting
4-4
Opectrum Analyzer
Phenomenon Cause to be supposed Fault block
The frequency sweeping does not operate
normally.
The CAL does not operate normally.
Trigger sweeping or gate sweeping does not
operate normally.
LO operation error
Sweep circuit operation error
Control circuit operation error
CAL Osc. operation error
CAL switch operation error
Trigger circuit operation error
Control circuit operation error
A10 CONVERTER
A11 LOCAL
A12 IF
A04 DEMOD DSP
A01 MAIN CPU
A10 CONVERTER
Z1 Step Attenuator
A12 IF
A04 DEMOD DSP
A01 MAIN CPU