User Manual
Table Of Contents
- CONTENTS
- Chapter 1 Product Overview
- Chapter 2 Working Principle
- 2.1 Microwave/Millimeter-Wave Frequency Conversio
- 2.2 Frequency Synthesis Module
- 2.3 IF Signal Processing Module
- 2.4 Data Processing, Display and Control Module
- Chapter 3 Analysis on Common Faults
- 3.1 Lighting failure of power indicator lamp
- 3.2 No response of key
- 3.3 No zero frequency signal
- 3.4 Frequency accuracy out of standard
- 3.5 No signal detected when the pan smaller than
- 3.6 Large deviation between the signal amplitude
- condition
- 3.7 SWR deviation at input port
- 3.8 Phase noise deviation
- 3.9 Abnormal attenuation control
- 3.10 No display for battery under charging and cu
- Chapter 4 Repair of Parts
- 4.1 Removal Process
- Chapter 5 Calibration of the Main Unit
- 5.1 Temperature Compensation
- 5.2 Automatic Test of Indicators
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oscillator phase noise index deviation, and the frequency synthesis board shall be replaced.
3.9 Abnormal attenuation control
Fault cause: The attenuator has communication fault.
Instrument to be repaired: Synthetic signal generator S1465H.
Repair method:
1. Check if the communication cable of the attenuator is properly fixed and the metal clip is normally installed .
2. Replace the rear cover assembly, and check whether the attenuation control is normal.
3. Replace the microwave/millimeter-wave frequency conversion module if the fault still exists.
3.10 No display for battery under charging and current charging capacity
Fault cause: The CPU board has fault.
Repair method:
1. Maybe the battery is excessive discharged, please charge the battery for half an hour, and see if the icon is
correct.
2. If the display is still incorrect after charged for half an hour, remove the battery and see if the power supply
icon is the icon of the external power supply. If not, please replace the CPU board.