Tektronix VM700A Instructions Manual
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Instructions
050-3302-02 and above
Acquisition Board Replacement
VM700A and VM700T
075-0301-02
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
www.tektronix.com
*P075030102*
075030102

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Summary of Contents for Tektronix VM700A

  • Page 1 Instructions 050-3302-02 and above Acquisition Board Replacement VM700A and VM700T 075-0301-02 Warning The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so. Refer to all safety summaries prior to performing service.
  • Page 2 Copyright © Tektronix, Inc. 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 supercedes that in all previously published material.
  • Page 3: Service Safety Summary

    Service Safety Summary Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service procedures. Do Not Service Alone. Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present.
  • Page 4 Service Safety Summary Acquisition Board Replacement...
  • Page 5: Kit Description

    Kit Description This kit provides instructions for replacement of the Acquisition board in VM700T or VM700A Video Measurement Sets with or without the VMTB or VMTX Turbo upgrade installed. This kit provides parts to preserve EMI suppression. This kit includes: an Acquisition (A18) circuit board, an EMI right-side bracket, a finger-clip shield for the I/O CPU (A20) board, and installation instructions.
  • Page 6 Kit Description Acquisition Board Replacement...
  • Page 7: Installation Instructions

    Install These installation instructions replace the Acquisition board in VM700T or VM700A Video Measurement Sets with the VMTB or VMTX Turbo upgrade installed. Cover Panel 1. Remove the screws at the rear edge of right- and left-side cover panels.
  • Page 8 Installation Instructions Circuit Board 1. Loosen (but do not remove) two screws on the front of the circuit board Retainer Plate retainer plate as shown in Figure 1. 2. Remove the circuit board retainer plate by sliding it to the left until the screw heads clear the slots.
  • Page 9 Installation Instructions Acquisition 1. The Acquisition (A18) circuit board occupies the card cage top slot. To Circuit Board remove this board you must first disconnect four ribbon cables. Acquisition board (A18) Right side Figure 2: Acquisition board Installation a. Spread the cable ejector tabs to disconnect each cable from the board. b.
  • Page 10 Installation Instructions Right-Side 1. Remove the two screws nearest the front of the measurement set as shown in EMI Bracket Figure 3. Front bracket Slide this end of EMI Right side bracket in place Figure 3: Right side EMI bracket installation 2.
  • Page 11 Installation Instructions EMI Clip for 1. Remove the screw holding the CPU I/O (A20) circuit board. The CPU I/O CPU I/O Board circuit board (A20) is located in the bottom slot of the card cage. 2. Pull the CPU I/O (A20) circuit board out, just exposing the rear panel connectors from the card cage.
  • Page 12: Verify The Installation

    VM700T and disconnect the power cord. Verify that all the circuit boards are properly seated and that the connectors are installed properly. If a fault is still indicated when you run the diagnostics again, contact Tektronix Factory Service. g End of document g...

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Vm700t

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