Agilent Technologies HP 3325B Instrukcja Obsługi Strona 152
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Chapter 3 Replacing Assemblies
Introduction
3-2 Assembly-Level Service Guide
3
Introduction
This chapter contains the instructions for removing major assemblies in the
Agilent 53131A/132A/181A. To install an assembly, reverse the removal instructions.
This chapter provides the following disassembly and reassembly procedures:
WARNING HAZARDOUS VOLTAGES ARE ON THE POWER SUPPLY ASSEMBLY.
UNPLUG THE INSTRUMENT, THEN WAIT AT LEAST SIX MINUTES FOR
THE CAPACITORS ON THE POWER SUPPLY ASSEMBLY TO
DISCHARGE BEFORE WORKING ON THIS INSTRUMENT.
CAUTION Do not replace assemblies with the instrument turned on. Damage to components can
occur.
Refer to Chapter 5, “Replaceable Parts,” for the part number of the assemblies.
• To Remove the Cover page 3-4
• To Remove the Front Bezel page 3-6
• To Remove A1 Motherboard Assembly page 3-9
• To Remove the A2 Display Board, Keypads, and Window page 3-11
• To Remove A3 1.5/3.0/5.0/12.4 GHz Channel Assembly (Option
015/030/050/124)
page 3-13
• To Remove A4 AC Power Supply Assembly page 3-15
• To Remove A5 DC Power Input Assembly (Option 002) page 3-17
• To Remove A6 High Stability Timebase Assembly (Options 001,
010, and 012)
page 3-19
• To Remove the Rear Terminals (Option 060) page 3-21
- Printed in Malaysia 1
- Agilent 53131A/132A/181A 3
- Assembly-Level Service Guide 3
- DECLARATION OF CONFORMITY 6
- Contents 10
- 2 Service 11
- 3 Replacing Assemblies 13
- 4 Retrofitting Options 13
- 5 Replaceable Parts 14
- 6 Backdating 14
- How to Use This Guide 17
- How to Order Guides 19
- Hardware 22
- Accessories Supplied 23
- Accessories Available 23
- Performance Tests 25
- Complete Performance Tests 27
- Optional GPIB Verification 27
- Recommended Calibration Cycle 27
- Test Record 27
- Equipment Required 28
- Power-On Self Tests 29
- P 53131A/132A 30
- P 53181A 31
- HP 3458A 32
- Counter Setup 34
- External Timebase Tests 36
- HP53131A/132 42
- Pulse Generator 42
- HP 3325B 44
- Synthesizer 44
- (Agilent 53131A/132A Only) 46
- 050 only) 57
- 124 only) 58
- Channel 2 62
- Volt Peak 2 63
- (Optional) 64
- (Page 1 of 6) 65
- (Page 2 of 6) 66
- (Page 3 of 6) 67
- (Page 4 of 6) 68
- (Page 5 of 6) 69
- (Page 6 of 6) 70
- (Agilent 53181A Only) 75
- HP 8663A 76
- Synthesized Signal Generator 76
- Frequency Sensitivity 82
- (Page 1 of 4) 95
- (Page 2 of 4) 96
- (Page 3 of 4) 97
- (Page 4 of 4) 98
- Introduction 100
- To Provide Repair Information 101
- On / Stby 104
- Scale & 106
- To Unsecure for Calibration 107
- HP 59992A J06 110
- Time Interval Calibrator 110
- HP 53131A/132A 110
- To Secure Against Calibration 111
- To View the Calibration Count 112
- DC Power Supply 116
- Counter Digital Multimeter 116
- To Calibrate Time Interval 117
- CAL: TI QUIK? Calibration 118
- Equipment 118
- CAL: TI FINE? Calibration 119
- Channel 1 121
- Chapter 2 Service 125
- for Channel 1 129
- HP 53181A 131
- Digital Multimeter 131
- Safety Considerations 134
- Recommended Test Equipment 135
- Repair Considerations 136
- Electrostatic Discharge 136
- Surface Mount Repair 136
- After Service Considerations 137
- Product Safety Checks 137
- Product Performance Checks 137
- Service Center 138
- Troubleshooting the Counter 143
- Motherboard 144
- Assembly 144
- To Run the Test-All Self Test 147
- Replacing Assemblies 151
- Tools Required 153
- Do This First 153
- To Remove the Cover 154
- SERIAL PLATE 155
- To Remove the Front Bezel 156
- Rubber foot 166
- A4 AC Power 166
- Supply Assembly 166
- (Option 002) 167
- (Options 001, 010, and 012) 169
- A6 High Stability 170
- Timebase Assembly 170
- Retrofitting Options 175
- Preliminary Procedure 178
- Retrofitting Procedure 179
- Procedure 186
- Jumper cap 187
- Plug (MP9) 189
- Replaceable Parts 193
- Exchange Assemblies 194
- Reference Designations 195
- How To Order A Part 196
- Cabinet Parts and Hardware 198
- Chapter 5 Replaceable Parts 199
- Assemblies) 201
- Backdating 203
- Manual Changes 204
- Older Instruments 204
- Backdating Hardware 205
- CHANGE 3 (New TCXO boards) 206
- Option 002 208
- Option 015 208
- Option 030 208
- Option 050 208
- Backdating Firmware 210
- Chapter 6 Backdating 211
- HP 53131A 213
- HP53131A 215
- Counter 215
- HP 8130A 215
- Pulse Generator 215
- Backdating Specifications 218
- Instrument Inputs (Continued) 223
- Time Base 224
- Measurement Specifications 225
- Input Frequency (Hz) 226
- Frequency Error (Hz) 227
- Time Interval 229
- Frequency Ratio: 229
- Pulse Width 230
- Rise/Fall Time 230
- Totalize 231
- Peak Volts 231
- Duty Cycle 231
- Trigger Level Timing Errors 232
- ⁄⁄⁄⁄⁄⁄⁄⁄ 233
- Gate Time 234
- Measurement Throughput 234
- Measurement Arming 234
- Measurement Statistics 235
- Measurement Limits 235
- General Information 236
- Agilent 53181A Specifications 237
- Worst Case RMS Resolution 242
- Frequency Error (Hz) 242
- Input Frequency 242
- Measurement Definitions 245
- NUMERICS 249
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