Page 2 - Table Of Contents
Table Of Contents System Overview ......................................................................................... 3 SYSTEM MAINTENANCE OVERVIEW ................................................ 5 Selftest & Calibration .......................................................................
Page 4 - System Overview
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Maintenance Overview 3 System Overview
Page 6 - SYSTEM MAINTENANCE OVERVIEW; accuracy and reliability for calibration and self-diagnostics.; The tester shall be disconnected from all power sources
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Maintenance Overview 5 SYSTEM MAINTENANCE OVERVIEW The Series 2040 Test System has been designed with extensive diagnostics and self testing capabilities. Each module and circuit board includes additional circuitry for calibration and self...
Page 8 - Selftest & Calibration
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Selftest & Calibration 7 Selftest & Calibration
Page 9 - SELFTEST AND CALIBRATION OVERVIEW; voltage reference for system calibration.; Purpose Of Calibration; transparent to the user.; When To Calibrate; calibrate every 3 months.
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Selftest & Calibration 8 SELFTEST AND CALIBRATION OVERVIEW Calibration on the Series 2040 Functional Test System is completely automated. All calibration is based on high precision references built into the system Testhead and the Self...
Page 10 - SELFTEST
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Selftest & Calibration 9 SELFTEST Selftest on the Series 2040 Test System is an automated procedure. The programs that comprise Selftest are organized under the Selftest Executive in a test menu called “Functional”. These programs exer...
Page 15 - Selftest Failure Analysis
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Selftest & Calibration 14 Selftest Failure Analysis Test Name #1 #2 #3 1) SELF_dig-f Selftest TH Cont/CPU TH P/S Cont 2) th_config_tst Testhead configuration does not match the stored configuration. 3) ams_dig_f AMS TH Cont/CPU TH P/S ...
Page 17 - CALIBRATION
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Selftest & Calibration 16 CALIBRATION Whenever a Testhead board is replaced, or any time that Selftest determines a failure, a calibration must be performed. If a unit passes the complete Functional Selftest routine, a calibration is n...
Page 18 - the Selftest Failure Analysis sheet on page 8 of this section.
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Selftest & Calibration 17 Any type of failure during calibration could indicate a hardware problem. If a failure during Functional was the reason that a calibration is being run, refer to the Selftest Failure Analysis sheet on page 8 o...
Page 20 - Diagnostics
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 19 Diagnostics
Page 21 - DIAGNOSTIC TOOLS; SelfTest EXaminer (STEX) for Microsoft Windows 95
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 20 DIAGNOSTIC TOOLS SelfTest EXaminer (STEX) for Microsoft Windows 95 Overview The STEX program may be used to help graphically interpret the results of any diagnostic output file generated by Digalog System’s SelfExec program ...
Page 22 - Analyzing Selftest Data
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 21 Selection of the ‘Diagnostic’ option for file output will create a file with all the information required by STEX to analyze the system. This information includes the tester type being run, a listing of the Testhead resource...
Page 23 - is a board in the Testhead, an arrow with a number 1-3 according to its
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 22 All tester resources, by default, are either gray-colored or on gray background. The one to three resources calculated to be most likely causing the fault(s) will be highlighted in red. Also, the ‘Results:’ box on the lower ...
Page 24 - View Log File
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 23 If any failure(s) or problem(s) are found in a valid diagnostic file, the menu item ‘Report Details’ will be enabled to show some details about those tests. See item ‘Report Details’ for more information. If the diagnostic f...
Page 25 - Close; separation in the examination of different test result sets.; Exit
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 24 error. If a test listed did not have any slot information listed in the results, the slot will be listed as ‘Unknown’. To view the details of each individual fail or system error number from the test results, use the ‘View L...
Page 26 - other Digalog System’s applications.; Menu Bar; ile menu is similar to the standard Windows file
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 25 TRMAN (Tester Resource Manager) The Tester Resource Manager is used to track and manage the tester resources including all the boards in the Testhead and the UUT power supplies. Information about these resources can be autom...
Page 27 - Options Menu
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 26 menu. It has selections for a N ew configuration, L oad an existing configuration, Sa v e a configuration, Sav e an existing configuration As another file, and E x it. The P rint Utility as shown below will be discussed late...
Page 28 - Manual Generation; - If Manual generation is selected, the screen
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 27 Manual Generation - If Manual generation is selected, the screen below will be displayed. Note that the Power Supply Distribution board is always in slot 0 and therefore does not show in the Testhead
Page 30 - slot changes in either place will be reflected in the other.; View Testhead Configuration; - This utility displays the entire Testhead
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 29 The table is directly linked to the slot drop-down menu, therefore any slot changes in either place will be reflected in the other. View Testhead Configuration - This utility displays the entire Testhead configuration in an ...
Page 31 - View Pin Definitions
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 30 View Pin Definitions - This utility from the Options menu explains the mnemonics used in the Patchboard map as shown to the right. View Power Supply Configuration - If this option is selected, a grid is displayed showing all...
Page 34 - FAULT LOOP; unresponsive and the “Ext.Fault” LED on the Testhead Power Supply
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 33 FAULT LOOP The Series 2040 Test System incorporates a “fault loop” for troubleshooting and self-diagnostics. The cable between the UUT Power Supply Controller and the Testhead, besides providing a path for the power supply o...
Page 38 - GPIB/HPIB POWER SUPPLIES; at least one HP power supply whose “resource.cat” entry has its “Fault
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 37 GPIB/HPIB POWER SUPPLIES The Series 2040 Test System may also contain one or more GPIB/HPIB Power Supplies. These supplies communicate with each other and the computer via an IEEE-488 bus. In addition, they use a Fault/Inhib...
Page 39 - For a system containing “n” number of HP power supplies, the PSC board
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 38 For a system containing “n” number of HP power supplies, the PSC board drives the +Inhibit (input) line of HP P/S #n low relative to its -Inhibit (input) line. When this power supply detects that its +Inhibit input signal is...
Page 42 - the PSC board itself.
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Diagnostics 41 the PSC board itself. Note: If there are no wires in the fault/inhibit cable of the HP power supply for the fault and inhibit signals (pins 1-4 on connector P2), then jumper shunts #9-10 (Fault/Inhibit Bypass) must be instal...
Page 44 - Certification
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Certification 43 Certification
Page 45 - TDAC
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Certification 44 E T H E R N E T P R IN T E R G P IB Z Y X 1 0 M H Z E X T C L K E X T E V E N T K E Y B O A R D C O M 1 M O D E M 10MHz TDAC GPIB
Page 46 - CERTIFICATION
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Certification 45 CERTIFICATION System certification ensures that the system standards that are used for Selftest and calibration are accurate, and can be traced to the National Institute of Standards and Technology (NIST). There are two el...
Page 48 - the results and a pass/fail condition are displayed.
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Certification 47 When this portion of the certification is complete, the TCXO frequency must be checked. The procedure for the frequency certification is identical, except for the final screen displaying the frequency counter. The user sho...
Page 49 - adjustment. Again, contact Digalog Systems should this occur.
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Certification 48 If the TCXO fails the preset calibration limits, it will also require a manual adjustment. Again, contact Digalog Systems should this occur. The procedure for the Selftest PPS current feedback circuit is almost identical t...
Page 50 - Module Repair & Replacement
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 49 Module Repair & Replacement
Page 51 - REPAIR AND REPLACEMENT PROCEDURES; Upon determining that a part is defective, the customer should:
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 50 REPAIR AND REPLACEMENT PROCEDURES Upon determining that a part is defective, the customer should: 1) Contact Digalog Systems at (414) 797-8000 to obtain an RMA (Return Materials Authorization) number and be...
Page 52 - COMPUTER ASSEMBLY
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 51 COMPUTER ASSEMBLY When it is determined that a problem exists in the computer assembly itself, the entire assembly must be sent back for repair. To remove the computer assembly, proceed as follows: 1) Ensur...
Page 53 - INTERNAL AND PATCHBOARD POWER SUPPLY OVERVIEW
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 52 INTERNAL AND PATCHBOARD POWER SUPPLY OVERVIEW The Testhead Power Supply Controller monitors Testhead power supplies for overvoltage with OVP crowbar IC’s. When an overvoltage is detected, the OVP IC quickly...
Page 54 - TESTHEAD & PATCHBOARD POWER SUPPLY REPLACEMENT
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 53 TESTHEAD & PATCHBOARD POWER SUPPLY REPLACEMENT 1) Ensure that the main power cord is unplugged from the wall outlet. 2) Remove the two side panel mounting screws from the console as shown to the right. ...
Page 55 - +5VDC Testhead Power Supply
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 54 +5VDC Testhead Power Supply The Testhead cooling fan assembly contains the main +5VDC Power Supply for the Testhead. If it is determined that the supply is faulty, the recommended procedure would be replace...
Page 57 - UUT POWER SUPPLIES - Description
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 56 UUT POWER SUPPLIES - Description Contained in the middle rack of the unit are the product power supply controllers. Each one controls a single product supply. The controllers are arranged PCS2, PCS1, and PC...
Page 58 - UUT POWER SUPPLY CONTROLLER REPLACEMENT
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 57 UUT POWER SUPPLY CONTROLLER REPLACEMENT To remove a controller, remove the upper and lower retaining screws from the front of the console. The controller should slide directly forward. Place the controller ...
Page 59 - UUT POWER SUPPLIES; the rear of the power supplies.; Upper Power Supplies
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 58 UUT POWER SUPPLIES The removal process for UUT Power Supplies and GPIB/HPIB Power Supplies is almost identical. However for both types of supplies, extreme caution should be exercised due to the considerabl...
Page 60 - Supplies
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 59 GPIB/HPIB POWER SUPPLIES 1) Remove the left side panel (side opposite the computer) to gain access to the rear of the power supplies. 2) Disconnect the AC power cords from the AC/DC Distribution Box, and di...
Page 61 - UUT - GPIB/HPIB POWER SUPPLY DISCONNECT AT TEST BAY
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 60 UUT - GPIB/HPIB POWER SUPPLY DISCONNECT AT TEST BAY From top to bottom: PS0 PS1 PS2 PS3 - Jumper PS4 - Jumper All unused power supplies must be jumpered. This is a typical installation. Individual systems m...
Page 62 - CIRCUIT BOARD REPLACEMENT; 040 Test System. The MDE, TMS, and AMS are always the last three on the
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 61 CIRCUIT BOARD REPLACEMENT The illustration below shows the positions of the boards in a typical Series 2040 Test System. The MDE, TMS, and AMS are always the last three on the left side of the tester (as vi...
Page 63 - edge of neighboring boards.
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 62 To reinstall a board, first check the positioning of the black plastic pin guide to ensure that the beveled openings are aligned with the receptacles on the board. Position the board’s leading edge in the t...
Page 64 - CONTACT SPRING REPAIR
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 63 CONTACT SPRING REPAIR Alignment of the contact springs (pins) in the Patchboard receiver of the Digalog Series 2040 Test System is critical. Misaligned or bent pins can cause failures in the system. It is p...
Page 66 - inside the tool sleeve.; CONTACT SPRING REPLACEMENT (Conventional Method); use the following procedure:
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 65 Plunger Patchboard “D” shaped sleeve “D”shaped latching tab Board Side of Patchboard Retract the plunger of the spring removal tool and position the sleeve of the tool so that the flat side of the “D”-shape...
Page 67 - clear the cavity opening.
Series 2040 Test System Series 2040 Maintenance Manual V2.00 Module Repair and Replacement 66 1. Remove the termination from the rear of the spring. (Remove the Testhead card.) 2. With a slow and steady pressure, bend the one side of the “U” in far enough to clear the board opening. Then, in the sam...