6 Keysight N5244A/45A Service Guide
Contents
Removing and Replacing the A1–A3 and Other Front Panel Subassemblies . . . . . . . . . . . 7-11
Removing and Replacing the A4–A17 Boards
(For analyzers with serial numbers prefixed MY/SG/US5150 and below) . . . . . . . . . . . . . . 7-15
Removing and Replacing the A4–A17 Boards
(For analyzers with serial numbers prefixed MY/SG/US5201 and above) . . . . . . . . . . . . . . 7-18
Removing and Replacing the A18 System Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21
Removing and Replacing the A19 Midplane Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Removing and Replacing the A20 Power Supply Assembly. . . . . . . . . . . . . . . . . . . . . . . . . 7-26
Removing and Replacing the A21 CPU Board Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-28
Removing and Replacing the A22 GPIB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-30
Removing and Replacing the A23 Test Set Motherboard . . . . . . . . . . . . . . . . . . . . . . . . . . 7-32
Removing and Replacing the A24 IF Multiplexer Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34
Removing and Replacing the A25 HMA26.5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-36
Removing and Replacing the A26 Splitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38
Removing and Replacing the A27 and A28 Mixer Bricks . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-40
Removing and Replacing the A29–A32 Reference Couplers and Reference Coupler Mounting
Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-42
Removing and Replacing the A33–A36 Test Port Couplers . . . . . . . . . . . . . . . . . . . . . . . . . 7-44
Removing and Replacing the A37 Reference Mixer Switch . . . . . . . . . . . . . . . . . . . . . . . . . 7-46
Removing and Replacing the A38–A41 Source Attenuators and the A46–A49 Receiver
Attenuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-48
Removing and Replacing the A42–A45 Bias Tees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
Removing and Replacing the A50–A53 Bypass Switches and the A54 Combiner . . . . . . . 7-52
Removing and Replacing the A55 Solid State Drive (SSD) . . . . . . . . . . . . . . . . . . . . . . . . . 7-55
Removing and Replacing the A56 Port 1 Noise Bypass Switch (Option H29) . . . . . . . . . . . 7-57
Removing and Replacing the A56 Port 1 Noise Bypass Switch (Option 029) . . . . . . . . . . . 7-60
Removing and Replacing the A57 Port 2 Noise Bypass Switch, A58 Port 2 Bridge, and A59
Noise Downconverter (Option H29) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-63
Removing and Replacing the A57 Port 2 Noise Bypass Switch and A59 Noise Downconverter
(Option 029) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-65
Removing and Replacing the A64 Tuner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-68
Removing and Replacing the Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-71
Removing and Replacing the Front Panel LED Boards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-73
Removing and Replacing the Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-75
Removing and Replacing the Lithium Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-77
Post-Repair Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-79
Содержание PNA-X N5244A
Страница 10: ...8 Keysight N5244A 45A Service Guide Contents ...
Страница 90: ...3 62 Keysight N5244A 45A Service Guide Tests and Adjustments Adjustments 3 ...
Страница 146: ...4 56 Keysight N5244A 45A Service Guide Troubleshooting Instrument Block Diagrams Sheet 4 4 ...
Страница 155: ...Keysight N5244A 45A Service Guide 5 9 Theory of Operation Synthesized Source Group Operation Figure 5 3 Source Group ...
Страница 174: ...5 28 Keysight N5244A 45A Service Guide Theory of Operation Receiver Group Operation 5 Figure 5 6 4 Port Receiver Group ...
Страница 175: ...Keysight N5244A 45A Service Guide 5 29 Theory of Operation Receiver Group Operation Figure 5 7 2 Port Receiver Group ...
Страница 188: ...5 42 Keysight N5244A 45A Service Guide Theory of Operation Noise Measurement Group Operation Option 029 5 ...
Страница 247: ...Keysight N5244A 45A Service Guide 6 59 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 311: ...Keysight N5244A 45A Service Guide 6 123 Replaceable Parts Replaceable Parts Listings ...
Страница 313: ...Keysight N5244A 45A Service Guide 6 125 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 323: ...Keysight N5244A 45A Service Guide 6 135 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 343: ...Keysight N5244A 45A Service Guide 6 155 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 363: ...Keysight N5244A 45A Service Guide 6 175 Replaceable Parts Replaceable Parts Listings This page intentionally left blank ...
Страница 472: ...8 18 Keysight N5244A 45A Service Guide General Purpose Maintenance Procedures Correction Constants 8 ...
Страница 504: ...32 Keysight N5244A 45A Service Guide Index ...
Страница 505: ...Installation Note Xxxxx xxxxx 3 ...