HP 8753E Network Analyzer Service Guide - Agilent Technologies

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w5 ’ (A4 t o A7) W6 ’ IA5 t o A7) w7’ (A6 to A7) \ 1 \ :I ;1 A4, A5, A6 Samplers and A7 Pulse Generator \ A7 / All /*I4 1 W8 (AIIJI t o AL) 1 w9 (AIIJI t o A7) Assembly Replacement and Post-Repair Procedures 14-27
A4, A5, A6 Samplers and A7 Pulse Generator Replacement 1. Check the connector pins on the motherboard before reinstallation. 2. Reverse the order of the removal procedure. Note � When reconnecting semirigid cables, it is recommended that the connections be torqued to 10 in-lb. � Be sure to route W8 and W9 as shown. No excess wire should be hanging in the All and Al4 board slots. Routing the wires in this manner will reduce noise and crosstalk. 14-26 Assembly Replacement and Post-Repair Procedures
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Errata Title & Document Type: 8753E
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HP part number: 08753-90374 Superse
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The BP BASIC Programming Examples G
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Contents-2 In Case of DifficuIty .
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2a. 2b. 3. Contents4 In Case of Dif
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Step 3. HP-IB Systems Check . . . .
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7. Source Troubleshooting Assembly
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External Tests . . . . . . . . . .
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Contents-12 A9 CPU/A10 Digital IF .
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Contents-14 Removal . . . . . . . .
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15. Safety and Licensing Notice . .
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2-33. Sll l-Port Cal Test Setup . .
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7-17. 10 MHz HI OUT Waveform from A
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Tables l-l. Required Tools . . . .
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‘able 1-2. Service lkst Equipment
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pestid Equipment Antistatic wrist B
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‘Ihble 1-3. Connector Care Quick
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Option 075, 7563 Impedance This opt
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System Verification and Performance
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Note Calibration kits are different
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Sections in This Chapter � System
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System Verification Cycle and Kit R
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Initialization 1. Clear all interna
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8. If you have difficulty with the
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The analyzer briefly displays COMPU
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H P 8753E NETWORK ANALYZER “ERlFl
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In Case of Difiblty 1. Inspect alI
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1. Connect the equipment as shown i
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2. External Source Mode Frequency R
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In Case of Difkulty If the analyzer
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3. Press-. Note The factory preset
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1. Zero and calibrate the power met
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2. Verify that there is power comin
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H P 8753E NETWORK ANALYZER I Q m ,
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2-34 System Verification and Perfor
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H P 8753E NETWORK ANALYZER - 24-INC
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Port 1 Noise Floor Level from 300 k
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Port 2 Noise Floor Level from 300 k
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ln Case of Difficulty 1. Perform th
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Power Meter Calibration for Test Po
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Power Meter Calibration on Port 2 f
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H P 8753E NETWORK ANALYZER HP 8753F
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Test Port 2 Input Frequency Respons
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,.,.. . . . . .,. .,. / . . . . 2.
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W32, Figure 2-26. HP 8753E Bottom V
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First Full 2-Port Calibration 1. Co
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Directivity (Forward) Calibration C
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10. System Trace Noise (Only for An
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System Trace Noise for B/R Phase 17
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. . . . 3. ~~~~ (m)~~~~~~~.~~, ~~~~
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System Trace Noise for B/R Phase fr
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1. Connect the equipment as shown i
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HP 8753E NETWORK ANALYZER - PORT 1
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13. ‘Ikst Port Receiver Magnitude
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Initial Calculations 1. Fill in the
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110 dB STEP ATTENUATOR HP 8753E NET
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Adapter Removal Calibration 13. Con
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Measure Test Port 2 Magnitude Dynam
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Measure Test Port 1 Magnitude Dynam
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14. T&t Port Receiver Magnitude Com
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15. Test Port Receiver Phase Compre
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lkst Port 1 Phase Compression . . .
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Test Port Output Worst Case 2nd Har
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Port 1 Input Worst Case 3rd Harmoni
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17. ‘I&t Port Output/Input Harmon
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Test Port Output Worst Case 3rd Har
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Port 1 Input Worst Case 3rd Harmoni
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18. ‘Ikst Port Output Harmonics (
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HP 8753E NETWORK ANALYZER PORT 1 *D
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6. Set up the network unuZ@zr to ou
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HP 8753E Performance Test Record (1
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EIP 8753E Performance ‘Jkst Recor
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HP 8753E Performance ‘l&t Record
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Hewlett-Packard Compnny Model HP 87
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HP 8753E Performance ‘I&t Record
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HP 8753E Performance lkst Record (1
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HP 8753E Option 011 Performance lks
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HP 8753E Performance ‘I&t Record
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HP 8753E Performance ‘l&t I&cord
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I I J3P 8753E Performance ‘Best R
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HP 8753E Performance ‘Ikst Record
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HP 8753E Performance lkst Record (1
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Post-Repair Procedures for HP 8753E
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l&placed Al9fU?mbly Al3 Fractional-
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sga me A9 CPU Assembly Normal Mode
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Source Pretune Default Correction C
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Source Pretune Correction Constants
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Power Sensor Calibration Factor Ent
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HP 4388 POWER METER HP 438A POWER M
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IF Amplifier Correction Constants (
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Sampler Magnitude and Phase Correct
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7. For Option 006 Instruments Only:
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. . _ . . . _ . . _ .., _ 13. Press
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21. 22. 23. 24. . . ; ::.... :: . .
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f. Repeat the “Sampler Correction
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Perform the first five steps of the
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7. Observe the analyzer for the res
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CENTER 2 983.000 000 MHz SPAN 5.000
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6. Observe the analyzer for the res
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Initialize EEPROMs (T&t 58) This se
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5. Write the following information
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Loading Firmware Required Equipment
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Loading Firmware into a New CPU Use
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sg640e FN VCO ADJ ADJUSTMENT HOLE F
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Frequency Accuracy Adjustment Requi
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5- On the HP 8753E, press @GZj @GG)
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High/Low Band Transition Adjustment
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Fractional-N Spur Avoidance and FM
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4. On the HP 8753E, press LPreset]
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Source Spur Avoidance Tracking Adju
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Unprotected Hardware Option Numbers
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Sequences for Mechanical Adjustment
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� Refer to Chapter 7, “Source T
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SCALELREF REF VALUE 7 xl Sequences
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Start Troubleshooting Here The info
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Step 1. InitiaI Observations Initia
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4. Press ~E@WTE ‘EST to begin the
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If Using a Plotter or Printer 1. En
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Step 4. Faulty Group Isolation Use
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Digital Control Observe the Power U
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HP 8753E NETWORK ANALYZER / \ ADAPT
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Receiver Observe the A and B Input
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Power Supply Troubleshooting Use th
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Simplified Block Diagram Figure 5-l
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Check the Green LEDs on A8 Remove t
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If the Green LED of the Al5 Is not
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Al5 Al5Wl (To Pre Reguloiur A17J2 M
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&T REGULATOR BOARD SOLDER s, DE ::I
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Check the Operating Temperature The
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If the green LEDs are now on, the A
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� Make a list of these assemblies
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Error Messages Three error messages
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If the + 15 V and -12.6 V green LED
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Intermittent Problems PRESET states
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Digital Control Group Block Diagram
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CPU Troubleshooting (A9) A9 CC Swit
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LCPU LED WlNDOW Figure 6-3. CPU LED
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Backlight Intensity Check Required
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Dark Pixels Specidications Dark “
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Troubleshooting a White Display If
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Identify the Stuck Key Match the LE
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Inspect Cables Remove the front pan
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0Allrnt 1 Preset 2IwM lkst 3CMosRAM
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Source Troubleshooting Use this pro
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Phase Lock Error sg652e GIGITIZING
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. . . . . . . 2. ‘Jet& on the and
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A3 Source and A11 Phase Lock Check
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7- Press IMenu) ~~hkd# to vary the
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Al2 Reference Check The signals are
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Oscilloscope Method You need not us
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PLREF Waveforms REF Signal At AllTP
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FN LO at Al2 Check 1. Use an oscill
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2ND LO Waveforms The 2nd LO signals
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Al2 Digital Control Signals Check S
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‘Jhble 7-5. VC0 Range Check Frequ
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-50.000 n-w 0.00000 eec SO.000 “.
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Al4 Divide-by-N Circuit Check Note
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H MB Line. This signal is active du
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I I I I I I I CENTER 2.989 88 GClL
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‘Ihble 7-7. 1st IF Waveform Setti
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ti . I . L. I I I I t ’ II I 0.00
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Phase Lock Diagnostic Routines Perf
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Assembly Replacement Sequence The f
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Check the A and B Inputs Good input
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Troubleshooting When All Inputs Loo
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Check A10 by Substitution or Signal
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* DIF DATA consists of 16 serial bi
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If the trace shows no improvement w
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Accessories Troubleshooting Use thi
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Inspect the Accessories Inspect the
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Cable Test The load match error ter
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Figure 9-2. Typical Smith Chart Tra
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Service Key Menus - Internal Diagno
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‘Ihble 10-l shows the test status
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accesses the power loss/sensor list
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3 SRAM RAM. Verifies the A9 CPU SRA
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15 Frac N Cont. Tests the ability o
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System Verification Tests These tes
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55 Serial Cor. Stores the serial nu
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Test Patterns Test patterns are use
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Service Key Menus - Service Feature
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..,.,, _ _ _ . . . . . . . _.;.:..;
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Analog Bus Description of the Analo
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Analog In Menu Select this menu to
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Analog Bus Nodes The following para
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Node 2 Src lV/GHz (source 1 volt pe
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Node 4 Det (detects RF OUT power le
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Node 7 Log (log ampliiier output de
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Node 11 Aux Input (rear panel input
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Node 15 Pretune (open-loop source p
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Node 17 1st IF (IF used for phase l
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Node 20 IF Det 1 (IF after 30 MHz f
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Node 24 2nd LO perform step A12 ad
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Node 29 FN VU3 Tun (Al4 FN VCO tuni
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PEEK/POKE Menu m acceSS tl& menu, p
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HP-IB Service Mnemonic Definitions
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Error Messages This section contain
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DEVICE:noton,notconnect, wrong addr
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NO FILE(S) FOUND ONDISK Error Numbe
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PARALLEL PORT NOT AVAILABLE FOR COP
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POWER UNLEVELED Error Number There
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SWEEP MODE CHANGED TO CW TIME SWEEP
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connector and cable wear, or gradua
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FOR I SOLAT ION HP 8753E NETWORK AN
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The analyzer displays the corrected
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If Error Terms Seem Worse than Typi
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Directivity (EDF and EDR) Descripti
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Reflection Tracking (ERF and ERR) D
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Load Match (ELF and ELR) Descriptio
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Theory of Operation This chapter is
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The Built-In lkst Set The HP 8753E
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Power Supply Theory The power suppl
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A8 Post Regulator The A8 post regul
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L-_--I 7 --_ ( IT Pie 12-3. Digital
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The main CPU has a dedicated flash
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10 MHZ PRECISION REFERENCE. (Option
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A7 Pulse Generator A step recovery
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6. A synthesized sub sweep is gener
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Source High Band Operation The high
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lhble 12-3. High Band Subsweep Freq
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A13/14 FRACTIONAL-N A12 REFERENCE @
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Tuned Receiver Mode In tuned receiv
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FROM A3 A24 TRANSFER SW I TCH FRONT
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A4/AS/A6 Sampler/Mixer The A4, A5,
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Replaceable Parts This chapter cont
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Rebuilt-Exchange Assemblies Under t
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Replaceable Part Listings The follo
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A15\ A20 - A4' A10 A8 All A12 Major
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CPU Fan\ A24, Ai A23 A21 Major Asse
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w4 ’ w3 ’ w2 ’ w5 ’ W6 ’
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w32, w33' W38 \ I I A22kl ill AilWl
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w22 / W23 I AIWI \ RPGIWI hbles, Fr
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i w30 \ ’ w21 W36 \ w35 Cables, R
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A3A4Wl BACK I A3W3 A3W4 \ FRONT Cab
Page 493 and 494: Front Panel Assembly, Outside sg663
Page 495 and 496: (4 Places) Front Panel Assembly, In
Page 497 and 498: (8 Places) 9 15 13 0 PART OF FAN es
Page 499 and 500: Rear Panel Assembly, Option lD5 sg6
Page 501 and 502: (4 Places) (2 Places) (6 Places) \
Page 503 and 504: sgbb0e (L Places) (3 Places) 6 (2 P
Page 505 and 506: sg669e Hardware, Front I2 Places) R
Page 507 and 508: (5 Places) Hardware, ‘l&t Set Dec
Page 509 and 510: (4 Places) Q G--,, (4 Places) Hardw
Page 511 and 512: Replaceable Partr 1339
Page 513 and 514: IL- Hardware, Preregulator Al5 sg67
Page 515 and 516: (4 Places) (4 Places) (Underside) 0
Page 517 and 518: Chassis Parts, Inside (16 Places) s
Page 519 and 520: FXMALEIiHBCONNFXXUR PEMALETBTSETI/O
Page 521 and 522: 14 Assembly Replacement and Post-Re
Page 523 and 524: Procedures described in this chapte
Page 525 and 526: FUSE IN USE ‘INSERT SCREWDRIVER,
Page 527 and 528: Covers sg677e Assambly Replacement
Page 529 and 530: Front Pctnel Assembly Asssmbly Repl
Page 531 and 532: Front Panel Keyboard and Interface
Page 533 and 534: Replacement 1. Reverse the order of
Page 535 and 536: Rear Panel Assembly Tools Required
Page 537 and 538: Rear Panel Assembly 14-18 Assembly
Page 539 and 540: (7 (2 (Opt ID5 only) Rear Panel Int
Page 541 and 542: W2L W26 w1 - , AwnMy Replacclment s
Page 543: A4, AS, A6 Samplers and A7 Pulse Ge
Page 547 and 548: AS, AlO, All, A12, A13, Al4 Caxd Ca
Page 549 and 550: w37 w20 \ A9 CPU Board sg6112e Asse
Page 551 and 552: A9BTl Battery Tools Required � T-
Page 553 and 554: A15 Preregulator Tools Required �
Page 555 and 556: Al7 Motherboard Assembly Tools Requ
Page 557 and 558: A 17 Motherboard Assembly lb remove
Page 559 and 560: A19 Graphics Processor Tools Requir
Page 561 and 562: A20 Disk Drive Assembly Tools Requi
Page 563 and 564: A20 Disk Drive Assembly Install the
Page 565 and 566: A21, A22 Test Port Couplers Tools R
Page 567 and 568: A23 LED Board Tools Required � T-
Page 569 and 570: A24 Transfer Switch Tools Required
Page 571 and 572: A25 Test Set Interface Tools Requir
Page 573 and 574: A26 High Stability Frequency Refere
Page 575 and 576: Bl Fan Assembly Tools Required �
Page 577 and 578: Post-Repair Procedures for HP 8753E
Page 579 and 580: gepLacea As!3embly Al3 Fractional-N
Page 581 and 582: Warranty This Hewlett-Packard instr
Page 583 and 584: Shipment for Service If you are sen
Page 585 and 586: Safety Considerations Note This ins
Page 587 and 588: General Warning ‘Ib prevent elect
Page 589 and 590: Index 1 100 kHz pulses, 7-16 10 MHz
Page 591 and 592: adjustment A9 Switch Positions, 3-5
Page 593 and 594: transfer switch, 12-26 bus analog,
Page 595 and 596:
CURRENT PARAMETER NOT IN CAL SET, l
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INSUFFICIENT MEMORY, PWR MTR CAL OF
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G good trace display, 8-5 green LED
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tool, l-3 verification kit 7 mm, l-
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NO PHASE LOCK CHECK R INPUT LEVEL,
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part numbers, 13-26 prereguiated vo
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hardware, test set deck, 13-34 hard
Page 609 and 610:
SOURCE POWER TURNED OFF, RESET UNDE
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theory of operation, 12-3 transfer
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HP 8753E Network Analyzer Service Guide - Agilent Technologies

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