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Service Guide N5230-90025 7-25
PNA Series Microwave Network Analyzers Repair and Replacement Procedures
N5230C Removing and Replacing the A15 CPU Board
Replacement Procedure
NOTE: If not already done, install a jumper between pins 9 and 10 on connector J11. See the following
illustration for the J11 pin configuration. There should already be a jumper between pins 5 and 6.
1. Reverse the order of the removal procedure.
Use the tools specified for all mounting screws.
2. If a new Certificate of Authenticity (license) label is supplied with your new A15 CPU board, adhere it to
the outer cover in the location specified in Figure 7-1. on page 7-7.
3. Perform the post-repair adjustments, verifications, and performance tests that pertain to this removal
procedure. Refer to Table 7-2 on page 7-58.
- 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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