Keysight Technologies 53210A

Keysight 53210A/53220A/
53230A 350 MHz Universal
Frequency Counter/Timer
Assembly Level
Service Guide

Keysight Technologies 53210A Specifications

General

Brand	Keysight Technologies
Model	53210A
Category	Cash Counter
Language	English

Summary

Keysight 53210 A53220 A53230 A 350 MHz Universal Frequency CounterTimer

Assembly Level Service Guide

Specifies the document type and scope for service procedures.

General Safety Information

Performance Tests

Power-On Test Procedure

Details the initial power-on sequence and checks.

Self-Test Procedure

Describes how to run internal checks for instrument functionality.

Operational Verification Procedure

Outlines abbreviated checks for basic measurement capability.

Complete Performance Verification Tests

Details tests to verify all instrument specifications.

Internal Auto-Calibration

Describes the feature to refine accuracy using internal standards.

Test 1: Absolute Time Base

Verifies the absolute frequency of the internal 10 MHz clock.

Test 2: Frequency Accuracy (Channels 1 and 2)

Verifies frequency accuracy specifications for channels 1 and 2.

Test 3: Single Period

Measures a single period of a signal from rising edge to rising edge.

Test 4: Pulse Width

Measures the width of a narrow pulse from a pulse generator.

Test 5: Time Interval

Verifies time interval specifications between Channel 1 and Channel 2.

Test 6 a: Frequency Accuracy (6 GHz Microwave Channel)

Verifies frequency accuracy of Option 106 Channel 2/3 at two frequencies.

Test 6 b: Frequency Accuracy (15 GHz Microwave Channel)

Verifies frequency accuracy of Option 115 Channel 2/3 at three frequencies.

Test 7 a: Pulse Burst Frequency (6 GHz)

Measures narrow and wide pulse outputs of a 6 GHz carrier for 53230A.

Test 7 c: Pulse Burst Frequency (1.35 GHz)

Measures narrow and wide pulse outputs of a 1.35 GHz carrier for 53230A.

Service

About the Calibration Menu

Calibration Procedures

Provides step-by-step instructions for calibrating the instrument.

Pre-Troubleshooting Information

Offers pertinent information before starting troubleshooting, including safety and test equipment.

Troubleshooting the Counter

Details common failures and troubleshooting procedures for the instrument.

Error Messages

Lists and explains error messages encountered during operation, calibration, or testing.

Replacing Assemblies

To Remove the Cover and Rear Bezel

To Remove the Internal DC Battery Assembly (Option 300)

To Remove Microwave Channel Assembly (Options 106115)

Procedure for removing the 6 GHz or 15 GHz microwave channel assembly.

To Remove the Processor Board

To Remove the Front Panel Assembly

To Remove the Motherboard

Step-by-step guide for removing the main motherboard.

To Remove the AC Power Supply Assembly

Procedure for removing the AC power supply unit.

Retrofitting Options

To Retrofit Ultra-High Stability Timebase (Option 010)

Details the procedure for installing Option 010 for improved timebase stability.

To Retrofit 53210 A (Ch 1) or 53220 A53230 A (Ch 12) Rear Panel Inputs (Option 201)

To Retrofit 53210 A Channel 2 Front Panel Input (Option 106115 + Option 202)

Procedure for installing front panel input for Option 106/115 with Option 202.

To Retrofit 53210 A Channel 2 Rear Panel Input (Option 106115 + Option 203)

Guide for installing rear panel input for Option 106/115 with Option 203.

To Retrofit 53220 A53230 A Channel 3 Input (Option 106115 + Front Panel Option 202)

Procedure for installing Channel 3 front panel input on 53220A/53230A.

To Retrofit 53220 A53230 A Channel 3 Input (Option 106115 + Rear Panel Option 203)

Guide for installing Channel 3 rear panel input with Option 203.

To Retrofit Option 150 (Pulse Microwave Measurements) for the 53230 A

Details the firmware upgrade procedure for Option 150.

Replaceable Parts

List of Replaceable Parts

Contains a comprehensive list of replaceable assemblies and parts.

Backdating

Backdating Firmware

Discusses firmware versions and potential issues with older versions.

Procedure Changes for Option 106 FW Rev 27.0

Option 106 Microwave Channel Frequency Calibration

Outlines calibration for Option 106 with specific firmware.

Summary of Option 106 Microwave Calibration Procedure