HP 181A manual 8B. Instrument Top Internal View Option

Page 140

Chapter 2 Service

Pre-Troubleshooting Information

2

RS-232	HP-IB Connector
Connector

J18 Power Supply

Assembly Connector

A4 AC Power Supply

Assembly

A6 High Stability

Timebase Assembly

A2 Display Board

Assembly

(Hidden)

Front Bezel (MP4)

10 MHz Out Connector

Ref In Connector

Ext Arm Connector

XLR (Male)

Jack (P/O A5)

A5 DC Power Input

Assembly

J6 (Hidden)

A3 Option 030

Channel 3 Assembly for

HP 53131A/132A

OR

A3 Option 015/030

Channel 2 Assembly for

HP 53181A

J9

A1 Motherboard

Assembly

J7

A3 Option 015/030/050 Channel Input Board Assembly

Cable (P/O optional channel input board, Option 015/030 only)

A3 Option 015/030 Channel Input Board Assembly Coaxial Cable

(W1)

	A2 Display Board


		Input BNC Connectors
	Assembly Cable	Input BNC Connectors
	(P/O Display	(P/O A1 Motherboard Assembly)
	Board Assembly)

Figure 2-8B. Instrument Top Internal View (Option 002)

2-44	Assembly-Level Service Guide

Image 140

Contents HP 53131A/132A/181A 225 MHz Counter Page Assembly-Level Service Guide Safety Considerations contd Contents Test 2 Trigger Level HP 53131A/132A Only Test 5 Option 030/050/124 Channel 3 Frequency Test 2 Channel 1 Frequency Sensitivity HP 53181A Service About the HP 53181A Calibration Menu Replacing Assemblies Retrofitting Options Index Contents Xii Assembly-Level Service Guide Instrument Identification How to Use This GuideRepair Strategy Assembly-Level Service Guide Organization Instruments Covered by this GuideHow to Order Guides Description of the 225 MHz Counters Assembly-Level Service Guide Xvii Options HardwareAccessories Supplied and Available Accessories SuppliedAccessories Available SupportPreface Performance Tests Introduction IntroductionOperational Verification Complete Performance Tests Optional HP-IB VerificationRecommended Calibration Cycle Test RecordRecommended Test Equipment Equipment RequiredEquipment Required HP 53131A/132A/181A Operational Verification Power-On Self TestsHP 53131A/132A/181A Operational Verification HP 53131A/132A Counter1B. Operational Verification Setup for HP 53181A HP 53131A/132A/181A Operational Verification HP 53181ARun Self Test Termination CheckCounter HP 3458A Digital MultimeterPress Channel 1 50Ω/1MΩ key Equipment Counter SetupExternal Arm Test HP 53131A/132A Only Procedure Synthesized Signal GeneratorHP 8130A Pulse Generator HP 8663AExternal Timebase Tests HP 3325B Synthesizer #2 Counter MHz External Timebase Input HP 53131A and HP 53181A OnlyHP 3325B Synthesizer #1 MHz External Timebase Input HP 53131A and HP 53181A Only MHz External Timebase Input for the HP 53132A HP 53131A/132A Performance Tests HP 53131A/132A Complete Performance TestsHP 53131A/132A Complete Performance Tests Counter Setup Test 1 Time Interval HP 53131A/132A OnlyEquipment Test 1 Time Interval HP 53131A/132A OnlyProcedure HP 8130A HP53131A/132Pulse Generator CounterTest 2 Trigger Level HP 53131A/132A Only Test 2 Trigger Level HP 53131A/132A OnlyTrigger Level Test Setup HP 3325B HP 53131A/132A Synthesizer CounterThis is the trigger level it should be 0.0 V ±15 mV Equipment Counter HP 8663A Synthesized Signal Generator KHz to 100 MHz Sensitivity for HP 53131A/132AHP 53131A/132A Ref. HP 8663A SynthesizedPerformance Tests MHz to 200 MHz Sensitivity for HP 53131A/132A MHz to 225 MHz Sensitivity for HP 53131A/132A Equipment Channels 1 and 2 Frequency Accuracy Test Setup HP 53131A/132A CounterPerformance Tests Equipment Sweep Oscillator HP 8663A Synthesized Signal GeneratorHP 53131A/132A Counter To 3.0 GHz Sensitivity for Option 030 only Sweep the frequencies from 200 MHz to 5.0 GHz Sweep the frequencies from 200 MHz to 12.4 GHz Gate & ExtArm, Time Time 1.000 s On the Counter, press Run key Test 7 Peak Volts, Channels 1 and 2 HP 53131A/132A Only Test 7 Peak Volts, Channels 1 and 2 HP 53131A/132A OnlyVolt Peak HP 3325B HP 53131A/132ASynthesizer CounterVolt Peak HP 53131A/132A HP-IB Verification Program Optional HP 53131A/132A HP-IB Verification Program OptionalHP 53131A/132A Performance Test Record Page 1 HP 53131A/132A Performance Test Record Page 1HP 53131A/132A Performance Test Record Page 2 HP 53131A/132A Performance Test Record Page 2HP 53131A/132A Performance Test Record Page 3 HP 53131A/132A Performance Test Record Page 3HP 53131A/132A Performance Test Record Page 4 HP 53131A/132A Performance Test Record Page 4HP 53131A/132A Performance Test Record Page 5 HP 53131A/132A Performance Test Record Page 5HP 53131A/132A Performance Test Record Page 6 HP 53131A/132A Performance Test Record Page 6HP 53181A Performance Tests HP 53181A Complete Performance TestsHP 53181A Complete Performance Tests Test 1 Trigger Level HP 53181A Only Test 1 Trigger Level HP 53181A Only11. Trigger Level Test Setup HP 3325B HP 53181ASynthesizer CounterThis is the trigger level it should be 0.0 V ±15 mV Test 2 Channel 1 Frequency Sensitivity HP 53181A Only Test 2 Channel 1 Frequency Sensitivity HP 53181A Only12. Channels 1 Frequency Sensitivity Test Setup KHz to 100 MHz Sensitivity for HP 53181ATest 2 Channel 1 Frequency Sensitivity HP 53181A Only MHz to 200 MHz Sensitivity for HP 53181A MHz to 225 MHz Sensitivity for HP 53181ATest 3 Channel 1 Frequency Accuracy HP 53181A Only Test 3 Channel 1 Frequency Accuracy HP 53181A OnlySweep Oscillator HP 8663A Synthesized Signal GeneratorHP 53181A Counter Test 3 Channel 1 Frequency Accuracy HP 53181A Only Equipment MHz to 1.5 GHz Sensitivity for Option 015 Only 14. Option 015/030/050 Channel 2 Frequency TestMHz to 2.7 GHz Sensitivity for Option 030 Only MHz to 5.0 GHz Sensitivity for Option 050 only MHz to 12.4 GHz Sensitivity for Option 124 only MHz to 1.5 GHz Accuracy Test for Option Connect equipment as shown in Figure Minimum to Maximum Accuracy Test for Options 030/050/124 Verify the HP 53181A Counter reads 100 MHz ±70 mHz Performance Tests Test 6 Peak Volts, Channel 1 HP 53181A Only Test 6 Peak Volts, Channel 1 HP 53181A Only16. Peak Volts Test Setup HP 53181A HP-IB Verification Program Optional HP 53181A HP-IB Verification Program OptionalHP 53181A Performance Test Record Page 1 HP 53181A Performance Test Record Page 1HP 53181A Performance Test Record Page 2 HP 53181A Performance Test Record Page 2HP 53181A Performance Test Record Page 3 HP 53181A Performance Test Record Page 3HP 53181A Performance Test Record Page 4 HP 53181A Performance Test Record Page 4Service Service To Provide Repair Information Returning the Instrument to Hewlett-Packard for ServiceReturning the Instrument to Hewlett-Packard for Service To Pack in the Original Packaging Materials To Pack in the Commercially Available Materials About the HP 53131A/132A Calibration Menu About the HP 53131A/132A Calibration MenuOverview of the HP 53131A/132A Calibration Menu CAL Unsecure Calibration procedures HP 53131A/132A Calibration Menu TreeTo Initiate the Calibration Routines To View the Calibration Menu and Security StatusTo Unsecure for Calibration Information about Calti QUIK? and Calti FINE? About the HP 53131A/132A Calibration Menu HP 8130A HP 53131A/132A Pulse Generator Counter HP 59992A J06 Time Interval CalibratorTo Secure Against Calibration To Change to a New Security CodeTo View the Calibration Count To Get Help with the Calibration MenuHP 53131A/132A Calibration Procedures HP 53131A/132A Calibration ProceduresFirst Determine the Counter Firmware Revision To Calibrate the Offset for Channels 1BAD Code HP 53131A/132A Calibration Procedures Digital Multimeter DC Power Supply HP 53131A/132A CounterTo Calibrate the Gain for Channels 1 To Calibrate Time Interval Press Enter key againCAL TI QUIK? Calibration HP 8130A HP53131A/132A Pulse Generator CounterCAL TI FINE? Calibration HP 8130A Pulse GeneratorTI CAL Pass To Calibrate the Standard Timebase House Standard MHz Reference HP 53131A/132A CounterTo Calibrate the High Stability Timebase Option Medium, High, or Ultra-HighAbout the HP 53181A Calibration Menu About the HP 53181A Calibration MenuOverview of the HP 53181A Calibration Menu About the HP 53181A Calibration Menu Key to access this menu HP 53181A Calibration Menu TreeTo View the Calibration Menu and Security Status To Initiate the Calibration Routines To Change to New the Security Code To Calibrate the Offset for Channel HP 53181A Calibration ProceduresHP 53181A Calibration Procedures BAD Code HP 53181A DC Power Supply Counter Digital Multimeter To Calibrate the Gain for ChannelHouse Standard MHz Reference HP 53181A Counter To Calibrate the High Stability Timebase Option Pre-Troubleshooting Information Pre-Troubleshooting InformationSafety Considerations Recommended Test Equipment Interruption is ProhibitedDisassembly and Reassembly Specifics Repair ConsiderationsElectrostatic Discharge Surface Mount RepairProduct Performance Checks After Service ConsiderationsProduct Safety Checks Assembly Identification and Location HP 53131A Assembly Identification53132-60014 53131-69014 Assembly Name HP Part No Exchange Part A1 Motherboard Series 8A. Instrument Top Internal View 8B. Instrument Top Internal View Option Power Supply Check Troubleshooting the CounterMotherboard Assembly Overview of the Self-Test Routines A4 AC Power Supply VoltagesWire Color Voltage Tolerance Test To Run the Test-All Self Test Diagnosing the Faulty Assembly by UsingSelf Tests To Run the Individual Self Tests Test Loop to OFF11B. HP 53181A Self Test Troubleshooting Setup Troubleshooting Failure Indicator Assembly at FaultReplacing Assemblies Replacing Assemblies Tools Required Tools RequiredDo This First To Remove the Cover Rear Bezel RemovalBottom View for Cover Removal To Remove the Front Bezel To Remove the Front BezelFront Bezel Removal To Remove the Front Bezel To Remove A1 Motherboard Assembly To Remove A1 Motherboard AssemblyA1 Motherboard Assembly Removal To Remove the A2 Display Board, Keypads, and Window To Remove the A2 Display Board, Keypads, and WindowTo Remove the A2 Display Board, Keypads, and Window 015/030/050/124 To Remove A3 1.5/3.0/5.0/12.4 GHz Channel Assembly OptionReplacing Assemblies Optional Channel Input Assembly Removal To Remove A4 AC Power Supply Assembly To Remove A4 AC Power Supply Assembly10. Location of the Rubber Foot To Remove A5 DC Power Input Assembly Option To Remove A5 DC Power Input Assembly Option11. DC Power Input Assembly Option 002 Removal Remove the cover Remove A6 High Stability Timebase Assembly To Remove the Rear Terminals Option To Remove the Rear Terminals Option13. Rear Terminals Option 060 Removal To Remove the Rear Terminals Option To Remove the Rear Terminals Option Retrofitting Options Retrofitting Options Retrofitting Options To Retrofit A5 DC Power Input Assembly Option Option 002 DC Power Input Assembly PartsPreliminary Procedure To Retrofit A5 DC Power Input Assembly OptionRetrofitting Procedure 1A. DC Power Input Assembly Retrofitting1B. DC Power Input Assembly Retrofitting To Retrofit A5 DC Power Input Assembly Option 1C. DC Power Input Assembly Retrofitting 1D. DC Power Input Assembly Retrofitting Dc-supply Option 012 Ultra-High Stability Timebase Assembly Parts Option 001 Medium Stability Timebase Assembly PartsOption 010 High Stability Timebase Assembly Parts Turn off the Counter and remove power cord Remove the cover High Stability Timebase Retrofitting Option 001, 010 To Retrofit the Rear Terminals Option To Retrofit the Rear Terminals OptionOption 060 Rear Terminals Parts 3A. Plug Removal for Rear Terminals Retrofitting 3B. Rear Terminals Retrofitting To the rear of the chassis To Retrofit the Rear Terminals Option Replaceable Parts Exchange Assemblies Exchange AssembliesReference Designations Reference DesignationsReplaceable Parts Parts Identification How To Order a PartHow To Order a Part For mail correspondence, use the address below Contacting Hewlett-PackardBy telephone Reference Designation Cabinet Parts and HardwareCabinet Parts and Hardware Mfr Mfr Part Number CodeOption MP2 MP3 Manufacturer’s Code List Mfr Code Manufacturer Name Address Zip CodeBackdating Instrument this Guide Directly Applies To Manual ChangesOlder Instruments Change 2 New A3 5/12.4 GHz Prescaler Assembly Backdating HardwareChange 1 Below Series Prefix 3711A Backdating Hardware10. A4 AC Power Supply -9V Output Check Option 010/012 Only Change 3 New Tcxo boardsChange 4 Series 3710A to 3705A Change 5 Series 3705A to 3546A, 3548A Change 6 Below Series Prefix 3416AChange 7 Below Serial Number 3349A01906 Change 8 Below Serial Prefix 3404ABackdating Firmware About the HP 53131A Calibration MenuChange 1 Firmware Revisions 3317, 3335, 3402 Backdating FirmwareHP 53131A Utility/Calibration Menu Tree About the HP 53131A Calibration MenuHP 53131A Calibration Procedures HP 53131A Calibration ProceduresDC Power Supply HP 53131A Counter To Calibrate Time Interval Equipment HP 8130A HP53131APulse Generator CounterHouse Standard MHz Reference HP 53131A Counter Medium or High Backdating Specifications Backdating SpecificationsChange 1 53131A, Serial Prefix 3710A and Below Change 2 53132A, Serial Prefix 3546A and BelowChange 3 53181A, Serial Prefix 3711A02841 and Below Backdating Specifications HP 53131A/132A Specifications Instrument Inputs Channel 1 & 2 Input Specifications1Channel 1 & 2 Input Characteristics1 Channel 3 Input Specifications4 Channel 3 Input CharacteristicsExternal Arm Input Specifications External Arm Input CharacteristicsTime Base Output Specifications Time BaseTime Base Internal Time Base StabilityFrequency, Period Measurement SpecificationsMeasurement Specifications HP 53131A-Worst Case RMS Resolution Automatic or External ArmingHP 53132A-Worst Case RMS Resolution Frequency Measurement Example × FrequencyTime Interval LSDRise/Fall Time PhasePulse Width Peak Volts Duty CycleTotalize Definitions of Systematic Uncertainty Terms Trigger Error Trigger Level Timing ErrorMeasurement Definitions Measurement DefinitionsAdditional Considerations for Digits and Time Arming Modes Typical Versus Worst Case SpecificationsTime Interval Measurement LSD Definition Measurement Arming and Processing Measurement Arming and ProcessingGate Time Measurement Throughput Measurement ArmingMeasurement Statistics Measurement LimitsGeneral Information General InformationHP 53181A Specifications Channel 1 Input Specifications Channel 1 Input CharacteristicsChannel 2 Input Specifications3 Channel 2 Input CharacteristicsTime Base Where N = 1 for Ch1 Frequency 1 MHz Worst Case RMS Resolution Frequency Measurement Example Ratio 1 ⁄ Ch2 Freq × Gate Time Ratio 2 ⁄ Typical Versus Worst Case Specifications Available Statistics Power is removed from the counter General Information Index Index-2 Assembly-Level Service Guide Assembly-Level Service Guide Index-3 Index-4 Assembly-Level Service Guide Contacting Hewlett-Packard Page From front matter Manual Part Number

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