Tektronix AFG31000 Series Service Manual
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Tektronix AFG31000 Series Service Manual

Arbitrary function generator
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AFG31000 Series Arbitrary Function Generator
Service Manual
tek.com
077179600

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  • Page 1 AFG31000 Series Arbitrary Function Generator Service Manual tek.com 077179600...
  • Page 2 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued, and pending. Information in this publication supersedes that in all previously published material.
  • Page 3 Tektronix, shipping charges prepaid, and with a copy of customer proof of purchase. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.

  • Page 4: Table Of Contents

    Perform diagnostics and calibration ....................20 Protection from overheating ........................ 22 Theory of operation ........................ 23 Overview ............................. 24 Platform section ..........................26 Generator section ..........................25 Adjustment procedures ......................26 Adjustment procedures ........................26 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 5 Power supply and fan removal and installation ..................55 Diagrams ..............................59 Replaceable parts and modules ........................ 57 Troubleshooting ........................78 Troubleshooting ..........................78 Troubleshooting tools and equipment ....................... 78 Troubleshooting trees ..........................78 Diagnostics..............................81 AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 6: Important Safety Information

    To avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, make sure that the product is properly grounded. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 7 Use only connectors and adapters supplied with the product or indicated by Tektronix to be suitable for the product. Observe all terminal ratings. To avoid fire or shock hazard, observe all ratings and markings on the product.

  • Page 8: Terms In This Manual

    Use care when lifting and carrying the product. This product is provided with handles for lifting and carrying. Use only the Tektronix rack-mount hardware specified for this product. Keep product surfaces clean and dry. Remove the input signals before you clean the product.

  • Page 9: Symbols And Terms On The Product

    (This symbol may also be used to refer the user to ratings in the manual.) The following symbol(s) may appear on the product: AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 10: Service Introduction

    Contact information If you have any questions after you review the information in this documentation, please contact your local Tektronix office, sales partner, or distributor. You can also call the corporate headquarters of Tektronix in North America at 1-800-833-9200. Visit tek.com...
  • Page 11 AFG31000 Series English 0771493xx Release notes Arbitrary Function Generator Release Notes NOTE: XX in a part number replaces the document revision number. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 12: Strategy For Servicing

    Performance verification procedures The performance verification procedures are provided in the AFG31000 Series Specifications and Performance Verification Technical Reference and should be performed every 12 months. If the instrument does not meet the performance criteria, repair is necessary (refer to...

  • Page 13: Operating Basics

    1. Locate the output connectors on the front panel. 2. Locate the input connectors on the front panel. NOTE: When connecting a cable, make sure to distinguish the input connector from the output connectors to avoid making the wrong connection. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 14 Operating basics Figure 1: AFG31000 Series front-panel inputs and outputs The instrument input and output connectors are floating inputs and outputs (see Floating ground more information). WARNING. To avoid personal injury or death due to electric shock, do not apply voltages in excess of 42 V to any BNC connector ground or to the chassis ground.

  • Page 15: Floating Ground

    Operating basics Floating ground Because the common ground (input and output channel common) of the AFG31000 Series is electrically isolated from the chassis ground (the instrument chassis and ground line of the ac connector), you can make a floating connection between the instrument and other equipment.

  • Page 16: Front-Panel Overview

    15. USB input (Type A connector) NOTE: Shortcut keys are provided for advanced users. The shortcut keys allow you to select a setting and enter a numeric value using the front-panel controls or the touchscreen. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 17: Power The Instrument

    To power on the instrument: Press the front-panel power switch to turn on the instrument. Figure 4: AFG31000 Series two-channel front view NOTE: Wait until the front-panel display shows that the instrument has passed all power-on self-tests before using the instrument.

  • Page 18: Touchscreen Interface

    Operating basics Touchscreen interface The following figures describe the touchscreen main display. Figure 5: Touchscreen main display AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 19: Protect Your Dut

    3. Make sure that the limits are set appropriately for the device under test (DUT).  Default high limit: 500 mV  Default low limit: –500 mV Figure 6: High and low voltage limits AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 20: Perform Diagnostics And Calibration

     Diagnostics (self-test): Perform diagnostics to verify that your instrument is operating correctly.  Calibration (self-calibration): The calibration function checks dc accuracy using the internal calibration routines. Figure 7: Diagnostics and calibration AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 21 4. Select OK to perform diagnostics or Cancel to exit. Figure 8: Run system diagnostics 5. Wait until the test is completed. The diagnostics test takes eight minutes to complete. 6. To perform calibration, select Run. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 22: Protection From Overheating

    9. Once calibration or diagnostics is executed, a dialog box displays the results including any errors. Protection from overheating The internal temperature of the AFG31000 Series instrument is monitored. A warning message is displayed if the internal temperature reaches a specified level and signal output is automatically turned off.

  • Page 23: Theory Of Operation

    Theory of operation Overview The AFG31000 Series instruments offer multiple models with different frequencies and channels. Each model consists of two major sections: the platform section and the generator section. This overview describes the electrical operation of the instruments down to the module level. It describes the basic operation of each functional circuit block as shown in the following block diagram.

  • Page 24: Platform Section

    CPU board LCD with RGB mode. A 92 mm by 92 mm size, dc 12 V type fan. It is driven by fan controller on the SG board and be transmitted to CPU board output to Fan. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 25: Generator Section

    LPF is used when a sine wave is output. Output filter Tek026 as the key part of InstaView circuit to provide the waveform of InstaView circuit the DUT input. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 26: Adjustment Procedures

    Adjustment procedures Adjustment procedures This section describes the procedures necessary to manually adjust the AFG31000 Series Arbitrary Function Generators. Perform each adjustment when you remove and replace a circuit board. Purpose This procedure returns the arbitrary function generator to compliance with its warranted characteristics as listed in the AFG31000 Series Specifications and Performance Verification Technical Reference Manual.

  • Page 27: Equipment Required

    The adjustments in this section are an extensive, valid confirmation of performance and functionality when the following requirements are met:  The instrument covers must be on the AFG31000 Series.  The instrument must have been calibrated/adjusted at an ambient temperature between +20 °C and +30 °C.

  • Page 28: Enable Service Mode

    To adjust the reference clock: 1. Connect the instrument to a frequency counter using the AFG CH1 Output and the frequency counter input using a 50 Ω BNC coaxial cable. Figure 11: Reference clock adjustment AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 29: Flatness Adjustment

    2. Set up the arbitrary function generator using the following steps: Select menu Setting Operation Amplitude units On the touchscreen select the Basic icon > Units > V Amplitude Amplitude/High (front) 1.0 V Offset Offset/Low (front) Channel 1 output On On (front) AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 30: Trigger Delay Adjustment

    15. Select Save Cal to save the adjusted value. Trigger delay adjustment This procedure adjusts trigger timing of two channels. NOTE: This adjustment is not necessary in the AFG31021, AFG31051, AFG31101, AFG31151 and AFG31251. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 31 Delay (front) Run Mode (CH2) Burst Burst (front) Trigger Delay 0.0 ns Select TrigDelay (on the touchscreen) Run Mode (CH2) Continuous Continuous (front) Channel 1 Output On (front) Channel 2 Output On (front) AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 32 21. Swipe the arrow at the bottom of the touchscreen up, go to the InterChannel tab and select Align Phase. 22. Check that the skew time of the two signals on the oscilloscope screen is less than 1 ns. NOTE: Do not reboot the AFG31000. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 33: Burst External Trigger Adjustment

    Figure 14: Instrument setup: burst external trigger adjustment 23. Select Default and OK on the AFG31000 to recall the arbitrary function generator default setup. 24. Select Default and OK to recall the arbitrary function generator default setup. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 34 Vertical 200 mV/div Volts/div knob (CH1 and CH2) Vertical position Align the baseline of each CH1 and CH2 Vertical position channel knob 28. Change the horizontal setting of the oscilloscope to 1 ns/div. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 35 36. Send the PI command: MSERvice:BURSt: NEGSkew x.xxns to the DUT. x.xxns is the value written down in step 14. 37. Send the PI command: MSERvice:CALibration:SAVE 38. Check that the skew time of the two signals on the oscilloscope screen is less than 1 ns. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 36: Delay Ic Adjustment

    12. Write down the skew time of two signals from the oscilloscope screen, BITREF Trefp. 13. Send the PI command: MSERvice:DELYchip:BIT BIT0 to the DUT. 14. Write down the skew time of two signals from the oscilloscope screen, as the first bit value BIT0 T0p. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 37 MSERvice:DELYchip:VALUe BIT0,T0p  MSERvice:DELYchip:VALUe BIT1,T1p  MSERvice:DELYchip:VALUe BIT2,T2p  MSERvice:DELYchip:VALUe BIT3,T3p  MSERvice:DELYchip:VALUe BIT4,T4p  MSERvice:DELYchip:VALUe BIT5,T5p  MSERvice:DELYchip:VALUe BIT6,T6p  MSERvice:DELYchip:VALUe BIT7,T7p  MSERvice:DELYchip:VALUe BIT8,T8p  MSERvice:DELYchip:VALUe BIT9,T9p  MSERvice:DELYchip:VALUe:APPLy  MSERvice:CALibration:SAVE AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 38: Resetting The Serial Number

    3. Send the query PI command to confirm the serial number is set successfully. MSERvice:MADDress? NOTE: The installed license is bound with the serial number and MAC address. If the MAC address number is changed, the installed license is invalid. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 39: Maintenance

    Refer to the Operating basics section of this manual for information. Preventing ESD When performing any service that requires internal access to the AFG31000 Series, follow the precautions below. These precautions prevent damage to internal modules and components due to electrostatic discharge (ESD).

  • Page 40: Inspection And Cleaning

    Broken shells, cracked insulation, Repair or replace the and deformed contacts. Dirt in defective modules. Clear or connectors. wash out dirt. Carrying handle, bail, Correct operation. Repair or replace the cabinet feet defective module. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 41 Avoid using excess force or you may damage the plastic display surface. CAUTION. To prevent getting moisture inside your AFG during external cleaning, use only enough liquid to dampen the cloth or applicator. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 42 NOTE: If these steps do not remove all the dust or dirt, please contact your local Keithley Instruments office for assistance (see Contact information). Lubrication There is no periodic lubrication required for this instrument. AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 43: Removal And Installation

    16 mm (5/8 inch) deep socket with wide center hole  7 mm (9/32 inch) socket  8 mm socket  Torque wrench to 18 in-lb. (2.0 N m)  Pliers (all-purpose and needle-nose)  Tweezers AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 44: Order Of Instrument Disassembly

    3. Remove the two screws located behind the handle by using a Torx T-15 screwdriver. 4. Lift the rear case off. To install the module rear case, perform the removal procedure in reverse order. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 45 Removal and installation Figure 17: Module rear case AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 46: Module Rear Chassis Upper Removal And Installation

    Three (3) pin cable (from auxiliary power supply to CPU board) 3. Lift the module rear chassis upper off. To install the module rear chassis upper, perform the removal procedure in reverse order. Figure 18: Module rear upper chassis upper AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 47: Module Rear Chassis Bottom Removal And Installation

    FFC) 4. Lift the module rear chassis-bottom off. To install the module rear chassis-bottom, perform the removal procedure in reverse order. Figure 20: Module rear chassis, bottom AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 48 Removal and installation Figure 21: Module rear chassis, bottom, cables Figure 22: Disconnecting the display module AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 49: Module Front Chassis Removal And Installation

    FFC connector on the display and pull out the FFC) 3. Pull the module front chassis out. NOTE: To install the module front chassis, perform the removal procedure in reverse order. Figure 23: Module front chassis Figure 24: Module front chassis cables AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 50: Front-Panel Board: Power Button, Keypad, And Lcd Module Removal And Installation

    6. Use an 8 mm socket driver to remove the six locknuts attaching the LCD module to the front cover. 7. Remove the LCD module NOTE: To install all the parts, perform the removal procedure in reverse order. Figure 25: Front panel board and keyboard AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 51: Bnc Insulator Board And Signal Generator Board Removal And Installation

    5. Gently pull out the signal board toward the rear. 6. Remove the BNC insulator washer. NOTE: To install all the parts, perform the removal procedure in reverse order. Figure 26: BNC insulator board (or sheet) Figure 27: Signal generator board AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 52 Removal and installation Figure 28: BNC insulator washer AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 53: Cpu Board And Power Receptacle Removal And Installation

    6. Remove the two black GPIB hex screws using the 7 mm socket driver. 7. Pull out the CPU board. NOTE: To reconnect all the parts, perform the removal procedure in reverse order. Figure 29: Power receptacle AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 54 5. Remove the four grommets attaching the fan to the chassis using needle-nose pliers. 6. Remove fan. NOTE: To reconnect all the parts, perform the removal procedure in reverse order. Figure 31: Safety cover AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 55: Power Supply And Fan Removal And Installation

    Removal and installation Figure 32: Power supply: Removal and distribution Figure 33: Fan: Removal and installation Diagrams The diagrams in this section show how the modules in the different models of the AFG are connected. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 56 Removal and installation AFG 3xxx2 connection diagram Figure 34: AFG31000 Series 2 channels unit interconnection diagram AFG 3xxx1 connection diagram Figure 35: AFG31000 Series 1 channel unit interconnection diagram AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 57: Replaceable Parts And Modules

     Instrument modification number, if applicable If you order a part that has been replaced with a different or improved part, your local Tektronix field office or representative will contact you concerning any change in part number. Using the replaceable parts list This section contains a list of the mechanical and electrical components that are replaceable for the arbitrary function generator.
  • Page 58 STL, ZNPL, T- AFG31051 15 Torx; exact AFG31101 (nonexpensed) duplicate AFG31151 of 211114300 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31021 Module rear chassis bottom AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 59 AFG31252 AFG31021 Module rear case AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 211-0935-00 AFG31021 Screw, machine; 6-32 x 0.50, PNH, AFG31051 T-15 Torx AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 60 Removal and installation Exploded diagram - AFG top level modules Figure 36: AFG31000 top level modules exploded view AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 61 AFG31052 screen, safety controlled AFG31102 AFG31152 AFG31252 348-2304-00 AFG31021 Gasket, conductive foam AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 260-3074-00 AFG31021 Keypad AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 62 Marker, identification, label, front, USB 335-3962-00 AFG31051 Marker, identification, label, front, USB 335-3961-00 AFG31101 Marker, identification, label, front, USB 335-3960-00 AFG31151 Marker, identification, label, front, USB 335-3959-00 AFG31251 Marker, identification, label, front, USB AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 63 253-0583-00 AFG31021 Conductive fabric tape for shielding 87580-STD AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 131-8139-00 AFG31021 Contact, spring; front panel elect. AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 64 Removal and installation Exploded diagram - module front case Figure 37: AFG31000 front case exploded view AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 65 1 CH; 389-5449-00 wired; AFG31151/AFG31251 Circuit board assembly; 878-1490-00 AFG31022 generator board; AFG31052 2 CH; 389-5224-00 AFG31102 wired; low-end models 210-1700-00 AFG31021 BNC insulate washer AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 66 6-32 x 0.50, PNH, AFG31051 T-15 Torx AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 211-1272-00 AFG31021 Screw, machine; 6-32 x 0.250, PNH, STL, AFG31051 ZNPL, T-15 Torx AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 67 AFG31102 AFG31152 AFG31252 220-0497-00 AFG31021 Nut, plain hex; .5-28 x .562 hex, BRS, AFG31051 NI (nickel) plated AFG31101 AFG31151 AFG31251 Exploded diagram - module front chassis Figure 38: AFG31000 front chassis exploded view AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 68 6-32 x 0.250, PNH, STL, AFG31051 ZNPL, T-15 Torx AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 Washer, lock internal 210-1039-00 AFG31022 tooth AFG31052 AFG31102 AFG31152 AFG31252 210-1039-00 AFG31021 Washer, lock internal tooth AFG31051 AFG31101 AFG31151 AFG31251 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 69 AFG31051 SI BRZ NP AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 Screw machine; 213-0610-00 AFG31021 4BA x 1.0, OVH, STL AFG31051 CRPL, POZ telequipment AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 70 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 174-5151-00 AFG31021 CA assembly, SP, elect; 2, 18 AWG, 7 CML, with AFG31051 holder, 09050-3031 & AFG31101 faston AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 71 Removal and installation Exploded diagram - module rear chassis bottom Figure 39: AFG31000 rear chassis bottom exploded view AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 72 47-63 HZ, means input; AFG31102 30-watt, single output 12 AFG31152 V dc, 2.5A; no case; AFG31252 safety controlled 441-2880-00 AFG31021 Cover, protection power supply cover AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 73 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 337-4850-00 AFG31252 Absorber NFS40100 253-0583-00 AFG31252 Conductive fabric tape for shielding 87580-STD 346-0299-00 AFG31021 Cable ties AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 74 Removal and installation Exploded diagram - module rear chassis upper Figure 40: AFG31000 rear chassis-upper exploded view AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 75 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 214-5148-00 AFG31021 Spring front foot AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 202-0552-00 AFG31021 Case, rear AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 76 AFG31052 AFG31102 AFG31152 AFG31252 335-3964-00 AFG31021 Marker identification, label analog I/O, 1CH AFG31051 AFG31101 AFG31151 AFG31251 335-3879-00 AFG31021 Marker identification, label rear digital I/O AFG31051 AFG31101 AFG31151 AFG31251 AFG31022 AFG31052 AFG31102 AFG31152 AFG31252 AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 77 Removal and installation Exploded diagram - module rear case Figure 41: AFG31000 rear case exploded view AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 78: Troubleshooting

    There are potentially dangerous voltages present on the heat sink of the power supply module. Do not perform these procedures unless qualified to do so. Failure to recognize and observe normal safety precautions could result in personal injury or death. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 79 Troubleshooting Figure 42: Platform troubleshooting tree AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 80 Troubleshooting Figure 43: Generator troubleshooting tree AFG31000 Series Arbitrary Function Generator Service Manual...

  • Page 81: Diagnostics

     Diagnostics (self-test): Perform diagnostics to verify that your instrument is operating correctly.  Calibration (self-calibration): The calibration function checks dc accuracy using the internal calibration routines. Figure 44: Diagnostics and calibration AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 82 1. Select Utility on the touchscreen. 2. Select Diagnostics/Calibration in the menu. 3. To perform diagnostics, select Run. 4. Select OK to perform diagnostics or Cancel to exit. Figure 45: Run system diagnostics AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 83 Figure 46: Run self-calibration 8. Wait until the test is completed. The diagnostics test takes eight minutes to complete. 9. Once calibration or diagnostics is executed, a dialog box displays the results including any errors. AFG31000 Series Arbitrary Function Generator Service Manual...
  • Page 84 Troubleshooting Self-test error codes If the self-tests detect a malfunction, the AFG31000 Series displays [name of the test] failed! and the error code. The following table lists the error codes with a description of the error and modules related to the error.
  • Page 85 Error code of attenuation circuit coefficient's correction for CH2 about X4 attenuation 3011 Error code of attenuation circuit coefficient's correction for CH1 about X16 attenuation 3012 Error code of attenuation circuit coefficient's correction for CH2 about X16 attenuation AFG31000 Series Arbitrary Function Generator Service Manual...

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