Agilent Technologies N5230C Manuel de service Page 113
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Service Guide N5230-90025 4-41
PNA Series Microwave Network Analyzers Troubleshooting
N5230C Measurement System Troubleshooting
2. Using a 5/16-inch torque wrench, disconnect the semirigid cable at the A19 MASSQuad.
3. Connect the spectrum analyzer to the A19 MASSQuad connector. Set the spectrum analyzer to measure
a signal at 1 GHz.
4. If the 1 GHz signal is not present, replace the A19 MASSQuad. Refer to “Removing and Replacing the
A19 MASS 26.5 (MASSQuad) and MASSQuad Mounting Block” on page 7-34.
5. If the 1 GHz signal is present, replace the A25 step attenuator. Refer to.“Removing and Replacing the A25
60-dB Source Step Attenuator” on page 7-40.
Checking the A26 60-dB Source Step Attenuator (Options 146 and 246)
1. Locate semirigid cable W79 at the output of the A26 source step attenuator.
2. Using a 5/16-inch torque wrench, disconnect the semirigid cable at the A26 step attenuator.
3. Connect the spectrum analyzer to the A26 step attenuator connector. Set the spectrum analyzer to
measure a signal at 1 GHz. Set the network analyzer for an S
33
measurement.
4. If the 1 GHz signal is not present, continue troubleshooting at “Checking the Output of the A18
MASSQuad to the A26 Source Step Attenuator (Options 146 and 246)” on page 4-41.
5. If the 1 GHz signal is present, replace the A18 MASSQuad. Refer to “Removing and Replacing the A18
MASS 26.5 (MASSQuad)” on page 7-32.
Checking the Output of the A18 MASSQuad to the A26 Source Step Attenuator (Options 146 and 246)
1. Locate semirigid cable W78 at the output of the A18 MASSQuad that goes to the input of the A26 source
step attenuator.
2. Using a 5/16-inch torque wrench, disconnect the semirigid cable at the A18 MASSQuad.
3. Connect the spectrum analyzer to the A18 MASSQuad connector. Set the spectrum analyzer to measure
a signal at 1 GHz. Set the network analyzer for an S
33
measurement.
4. If the 1 GHz signal is not present, replace the A18 MASSQuad. Refer to “Removing and Replacing the
A18 MASS 26.5 (MASSQuad)” on page 7-32.
5. If the 1 GHz signal is present, replace the A26 step attenuator. Refer to.“Removing and Replacing the A26
60-dB Source Step Attenuator” on page 7-42.
- Service Guide 1
- Warranty Statement 2
- Certification 2
- Assistance 3
- Safety Notes 3
- Documentation Map 3
- Contents 10
- Service Guide N5230-90025 1-1 11
- Information in This Chapter 12
- Safety Symbols 13
- Servicing 14
- Service Guide N5230-90025 1-5 15
- 1-6 Service Guide N5230-90025 16
- Regulatory Information 17
- Instrument Markings 18
- Lithium Battery Disposal 19
- Regulatory Information N5230C 20
- 2 General Product Information 21
- Maintenance 23
- Analyzer Options Available 23
- Option 010, Time Domain 24
- Service Guide N5230-90025 2-5 25
- Pulse I/O Adapter-N1966A 26
- 300 kHz to 26.5 GHz 28
- Service and Support Options 30
- Contacting Agilent 31
- 3 Tests and Adjustments 33
- Before You Begin 36
- System Specifications 38
- Instrument Specifications 38
- System Verification Procedure 38
- Performance Tests 39
- Certificate of Calibration 39
- 3-8 Service Guide N5230-90025 40
- Service Guide N5230-90025 3-9 41
- Preliminary Checks 42
- N5230C Preliminary Checks 43
- The Test Port Cable Checks 44
- Preliminary Checks N5230C 46
- System Verification 51
- Measurement Uncertainty 52
- Measurement Traceability 53
- N5230C System Verification 55
- System Verification N5230C 56
- Source Power Accuracy Test 60
- Source Power Linearity Test 61
- Frequency Accuracy Test 62
- Trace Noise Test 62
- Receiver Compression Test 63
- Noise Floor Test 64
- Calibration Coefficients Test 65
- Dynamic Accuracy Test 66
- Adjustments 67
- EE Default Adjustment 68
- LO Power Adjustment 68
- Source Calibration Adjustment 69
- N5230C Adjustments 71
- Adjustments N5230C 72
- 4 Troubleshooting 73
- Check the Basics 76
- Troubleshooting Organization 77
- Power Up Troubleshooting 78
- Power Supply Check 79
- 4-8 Service Guide N5230-90025 80
- Front Panel Troubleshooting 84
- A2 Display Test 87
- Checking the USB Board 88
- Rear Panel Troubleshooting 89
- Checking the GPIB Port 90
- LAN Troubleshooting 91
- Checking the Source Group 102
- Checking the Receiver Group 114
- Options 140 and 240 117
- Service Guide: N5230-90024 117
- Options 145 and 245 119
- Options 146 and 246 121
- 5 Theory of Operation 123
- Service Guide N5230-90025 5-3 125
- Service Guide N5230-90025 5-5 127
- Basic Operation 128
- Service Guide N5230-90025 5-7 129
- 26.5) (MASSQuad) 131
- A10 Frequency Reference Board 132
- A16 Test Set Motherboard 133
- Attenuator 139
- Receiver Group Operation 144
- Front Panel Subgroup 149
- Power Supply Group Operation 152
- 6 Replaceable Parts 153
- Ordering Information 155
- Assembly Replacement Sequence 156
- Rebuilt-Exchange Assemblies 157
- Replaceable Parts Listings 158
- Service Guide N5230-90025 6-9 161
- Was N5230-20125 162
- Was N5230-00013 162
- Was 5087-7299 174
- Parallel ATA Interface 196
- Serial ATA Interface 198
- Miscellaneous Part Numbers 200
- Was 5063-9217 201
- Service Guide N5230-90025 7-1 203
- Personal Safety Warnings 205
- Removing the Covers 208
- Service Guide N5230-90025 7-7 209
- N5230C Removing the Covers 209
- Tools Required 210
- Removal Procedure 210
- Replacement Procedure 210
- Service Guide N5230-90025 7-9 211
- Pre-replacement Procedure 212
- Replacing the Inverter Board 212
- Synthesizer Boards 222
- Mounting Block 236
- Coupler Mounting Blocks 240
- ➁). The HDDA interconnects 248
- Reassembly Procedure 252
- Reinstalling the HDDA 252
- Post-Repair Procedures 254
- ➁). Three of the mounting 256
- Post-Repair Procedures N5230C 262
- Service Guide N5230-90025 8-1 263
- Error Terms 265
- Accessing Error Terms 270
- Manual Access to Error Terms 270
- Service Guide N5230-90025 8-9 271
- N5230C Error Terms 271
- Error Term Data 272
- Error Terms N5230C 274
- Option Enable Utility 276
- Enabling or Removing Options 277
- Firmware Upgrades 280
- Operating System Recovery 281
- Correction Constants 282
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