1123 lines
40 KiB
TeX
1123 lines
40 KiB
TeX
\chapter{FRU REMOVAL AND REPLACEMENT PROCEDURES}
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\setcounter{page}{1}
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\section{Introduction}
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This chapter describes the removal and replacement procedures for the
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field replaceable units (FRUs). To use this chapter, find the name of the
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FRU that needs replacing in \tabref{3-1} then go to the section listed beside
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the FRU. Follow the steps in the section to remove the FRU and reverse
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the procedures to replace the FRU.
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\begin{tbl}{FRU Section Listings}{l l l}
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\textbf{FRU} & \textbf{Section} & \textbf{Page} \\
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\hline
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Battery pack & \npara{3.10} & 3-33 \\
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DEC423 Converter (MicroVAX 2000 only) & \npara{3.15.1} & 3-53 \\
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Expansion adapter & \npara{3.16} & 3-54 \\
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Expansion adapter disk interface module & \npara{3.16.1} & 3-56 \\
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Hard disk expansion box & \npara{3.17.1} & 3-58 \\
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Keyboard (VAXstation 2000 only) & \npara{3.13} & 3-51 \\
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Memory module & \npara{3.5} & 3-17 \\
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Mouse (VAXstation 2000 only) & \npara{3.14} & 3-52 \\
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Network interconnect module & \npara{3.6} & 3-18 \\
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Power supply in hard disk expansion box & \npara{3.17.1.2} & 3-66 \\
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Power supply in system box & \npara{3.11} & 3-64 \\
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Power supply in tape drive expansion box & \npara{3.17.2.3} & 3-79 \\
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RD32 disk drive & \npara{3.8} & 3-24 \\
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RD32 disk drive device electronics board & \npara{3.8.1} & 3-27 \\
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\end{tbl}
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\begin{tblcont}{FRU Section Listings}{l l l}
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\textbf{FRU} & \textbf{Section} & \textbf{Page} \\
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\hline
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RD53 disk drive & \npara{3.7} & 3-19 \\
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RD53 disk drive device electronics board & \npara{3.7.1} & 3-21 \\
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RD53 disk drive in hard disk expansion box & \npara{3.17.1.1} & 3-60 \\
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Resistor load board in hard disk expansion box & \npara{3.17.1.3} & 3-70 \\
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Resistor load board in system box & \npara{3.9} & 3-31 \\
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Resistor load board in tape drive expnnsion box & \npara{3.17.2.4} & 3-81 \\
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RX33 floppy disk drive & \npara{3.8} & 3-24 \\
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System module & \npara{3.4} & 3-13 \\
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Tablet (VAXstation 2000 only) & \npara{3.14} & 3-52 \\
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Tape drive expansion box & \npara{3.17.2} & 3-72 \\
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Terminal disconnection from MicroVAX 2000 & \npara{3.15} & 3-53 \\
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TK50 tape drive in tape drive expansion box & \npara{3.17.2.2} & 3-76 \\
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TZK50 Controller board in tape drive expansion box & \npara{3.17.2.1} & 3-73 \\
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VR260 deflection board & \npara{3.12.2} & 3-39 \\
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VR260 monochrome monitor & \npara{3.12} & 3-35 \\
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VR260 power LED & \npara{3.12.7} & 3-50 \\
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VR260 rear bulkhead assembly & \npara{3.12.3} & 3-42 \\
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VR260 transformer assembly & \npara{3.12.5} & 3-45 \\
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VR260 video board & \npara{3.12.4} & 3-44 \\
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VR260 tube/yoke/bezel assembly & \npara{3.12.6} & 3-47 \\
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\end{tblcont}
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\newpage
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\figref{3-1} shows the locations of the FRUs as seen from the front.
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\fig{MA-0133+0150-87}{FRU Locations}
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\newpage
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\section{Shield Removal}
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\begin{enumerate}
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\item Turn the system power switch off and disconnect all cables from the
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rear of the system box.
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\item If the system is a MicroVAX 2000, remove the DEC423 converter from
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the rear of the system box.
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\item If the expansion adapter is installed, then remove the two screws shown
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in \figref{3-2} on the bottom of the expansion adapter to access the four
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screws securing the system box cover.
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\fig{MA-0069-87}{Expansion Adapter Cover Screw Locations}
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\newpage
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\item Remove the four system box cover screws shown in \figref{3-3}.
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\fig{MA-0070-87}{System Box Cover Screw Locations}
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\newpage
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\item Slide the cover off the system box as shown in \figref{3-4}.
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\fig[0.6]{MA-0071-87}{System Box Cover Removal}
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\newpage
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\item Put the system on its feet and remove the five screws shown in
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\figref{3-5} from the shield.
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\fig{MA-0072-87}{Shield Screw Locations}
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\newpage
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\item Lift the shield as shown in \figref{3-6} and rest it on the rear of the
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system.
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\fig{MA-0073-87}{Removing the Shield from the Main Chassis}
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\newpage
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\item Hold the shield with one hand and disconnect the power cable and the
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drive interconnect cable(s) from the shield with the other hand. Refer
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to \figref{3-7}.
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\fig[0.9]{MA-0074-87}{Disconnecting the Cables from the Shield}
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\item Lift the shield off the main chassis.
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\item Return to the FRU removal instructions that sent you to this procedure.
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\end{enumerate}
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\newpage
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\section{System Module Assembly Removal from Shield}
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\begin{enumerate}
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\item Remove the two screws shown in \figref{3-8} from the shield.
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\fig{MA-0075-87}{System Module Assembly Screw Locations on the Shield}
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\newpage
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\item Disconnect the two network interconnect cable9 shown in \figref{3-9}
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(if installed).
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\fig{MA-0076-87}{Network Interconnect Cables}
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\newpage
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\item Remove the system module assembly from the shield as shown in
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\figref{3-10} and lay it down beside the shield.
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\caution{Disconnection of the battery cable from the system module destroys
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all NVR memory. Be careful not to disconnect the battery cable from the system
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module until a procedure specifically instructs you to do so.}
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\fig{MA-0077-87}{Removing System Module Assembly from Shield}
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\end{enumerate}
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\newpage
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\section{System Module Removal}
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\begin{enumerate}
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\item Remove the shield (\para{3.2}).
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\item Remove the system module assembly from the shield (\para{3.3}).
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\item Disconnect the battery cable from the system module. Refer to \figref{3-11}.
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\fig{MA-0078-87}{Battery Cable Location}
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\newpage
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\item Remove the memory module (if installed). Refer to \figref{3-12}. Two
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connectors disconnect as you lift the memory module.
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\fig{MA-0079-87}{Memory Module Removal}
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\item Remove the two network interconnect cables from the system module
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and install them on the new system module.
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\newpage
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\item Remove the network ID ROM shown in \figref{3-13} from the system
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module you are removing and install it on the system module you are
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installing.
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\fig{MA-0080-87}{Network ID ROM Location on System Module}
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\newpage
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\item You must set the system jumper, shown in \figref{3-14}, for either a
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VAXstation 2000 or a MicroVAX 2000. Both systems use the same
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system module and this system jumper teils the firmware whether the
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module is in a VAXstation 2000 or a MicroVAX 2000. Determine which
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system you are working on and set the jumper accordingly.
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\fig{MA-0081-87}{VAXstation 2000 and MicroVAX 2000 System Jumper}
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\item Install the new system module by reversing the above procedures.
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\end{enumerate}
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\newpage
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\section{Memory Module Removal}
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\begin{enumerate}
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\item Remove the shield (\para{3.2})
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\item Remove the system module assembly from the shield (\para{3.3})
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\item Remove the memory module shown in \figref{3-15}. Two connectors
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disconnect as you lift the module.
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\fig{MA-0079-87}{Memory Module Removal}
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\item Replace the memory module by reversing the above procedures.
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\end{enumerate}
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\newpage
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\section{Network Interconnect Module Removal}
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\begin{enumerate}
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\item Remove the shield (\para{3.2})
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\item Remove the system module assembly from the shield (\para{3.3})
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\item Remove the network interconnect module from the shield as shown in \figref{3-16}.
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\fig{MA-0082-87}{Network Interconnect Module Removal}
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\item Replace the network interconnect module by reversing the above procedures.
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\end{enumerate}
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\newpage
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\section{RD53 Hard Disk Drive Removal from System Box}
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\begin{enumerate}
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\item Remove the shield (\para{3.2})
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\item Remove the three screws shown in \figref{3-17} that secure the drive to
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the chassis.
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\fig[0.9]{MA-0083-87}{Hard Disk Screw Locations}
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\newpage
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\item Slide the drive out halfway and disconnect the drive interconnect cables
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and the power cable from the drive as shown in \figref{3-18}.
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\fig{MA-0125-87}{Disconnecting the Hard Disk Drive from System Box}
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\item Slide the drive out of the chassis.
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\newpage
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\item Remove two screws on each side of the drive mounting brackets shown
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in \figref{3-19}. Remove the mounting brackets and front panels from
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the drive.
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\fig[0.8]{MA-0084-87}{Drive Mounting Bracket Screw Locations}
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\item If you removed the RD53 because of an error with the drive, go to
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\para{3.7.1}.
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\item Reverse the above procedures to replace the drive.
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\end{enumerate}
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\subsection{RD53 Disk Drive Device Electronics Board Removal}
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The RD53 disk drive has an FRU inside it. It is the device electronics board.
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Always replace the device electronics board on the RD53 before you replace
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an entire RD53 disk drive.
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\begin{enumerate}
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\item If a skid plate is installed on the drive, remove the four phillips screws
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securing the skid plate and ground clip to the frame. Remove the plate
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and set aside.
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\item Loosen the two captive screws that hold the device electronics board in
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place and then disconnect the ground wire.
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\item Rotate the board upward as shown in \figref{3-20} (the board pivots in
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hinged slots at the front of the drive). Be careful not to strain any of
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the connectors or cables, and tilt the board up and back until it rests
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against the outer frame.
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\caution{Flexible circuit material is fragile and requires careful handling to
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avoid damage.}
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\fig{SHR-0134-85}{RD53 Device Electronics Board Removal}
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\item Disconnect the two connectors from under the device electronics board.
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Both connectors and cables are fragile, handle them with care.
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\item Lift the board out of the hinged slots.
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\newpage
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\item Position the jumpers and switches on the new board to the same
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Remove the shield (\para{3.2})
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position as the jumpers and switches on the old board you just removed.
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Refer to \figref{3-21}. Also be sure the new board has the resistor
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terminator pack installed.
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\fig{SHR-0126-85}{RD53 Device Electronics Board Jumper and Switch Locations}
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\item Install the replacement device eiectronics board by reversing the above procedure.
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\end{enumerate}
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\newpage
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\section{RX33 and RD32 Drive Removal (Half-Height Drives) from the System Box}
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\begin{enumerate}
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\item Remove the shield (\para{3.2})
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\item Remove the three screws shown in \figref{3-22} that hold the drive(s) to
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the chassis.
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\fig[0.8]{MA-0085-87}{Half-Height Drive(s) Screw Locations}
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\newpage
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\item Slide the drive(s) out halfway and disconnect the drive interconnect
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cable(s) and the power cable(s) from the drive(s). Refer to \figref{3-23}.
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\fig{MA-0086-87}{Disconnecting the RX33 and RD32 Half-Height Drives}
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\item Slide the drive(s) out of the chassis.
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\newpage
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\item Remove four screws on each side of the mounting brackets shown in
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\figref{3-24}. Remove the mounting brackets and front panels from the
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drive(s).
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\fig[0.8]{MA-0087-87}{Half-Height Drives Mounting Brackets Removal}
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\item If you are replacing the RX33 floppy drive, install the new RX33 by
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reversing the above procedures.
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\item If you removed the RD32 because of an error with the drive, go to
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\para{3.8.1} below. Then reverse the
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above procedure to reinstall the drive.
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\end{enumerate}
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\newpage
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\subsection{RD32 Disk Drive Device Electronics Board Removal}
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The RD32 disk drive has an FRU inside it. It is the device electronics board.
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Always replace the device electronics board on the RD32 before you replace
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an entire RD32 disk drive.
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\caution{Do not remove any of the screws that secure the cover (cover/filter
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assembly) to the base casting. Removing any of the screws violates the clean area.}
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\begin{enumerate}
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\item Remove the three flat head screws shown in \figref{3-25} that hold the
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device electronics board in place under the drive unit. Besure to locate
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the one screw with the nylon washer next to the drive motor when
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replaceing the board.
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\fig{SHR-0296-86}{RD32 Device Electronics Board Screw Locations}
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\newpage
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\item Disconnect the cable from J4 (middle of board) as shown in \figref{3-26}.
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The J4 connector is not keyed and can be reconnected incorrectly. Make
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sure the violet and yellow wire in the connector is located near the LED
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and the orange and blue wires are located toward the outer edge of the
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board when reconnecting J4.
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\fig[0.6]{SHR-0297-86}{Disconnecting J4 from RD32 Device Electronics Board}
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\item Stand the board up. Be careful not to strain any of the connectors or
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cables, and tilt the board over center until it rests against the outer
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frame.
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\caution{Flexible circuit material is fragile and requires careful handling to
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avoid damage.}
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\newpage
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\item Disconnect the cables from J6 and J5 as shown in \figref{3-27} from
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the device electronics board. Both connectors and cables are fragile --
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handle them with care.
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\fig{SHR-0298-86}{Disconnecting J5 and J6 from RD32 Device Electronics Board}
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\item Remove the device electronics board from the RD32.
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\newpage
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\item Position the jumper on the new board to the same position as the jumper
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on the old board you just removed (\figref{3-28}). Also be sure the new
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board has the resistor termination pack installed.
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\fig[0.75]{MA-0131-87}{RD32 Device Electronics Board Jumper Location}
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\item Replace the new device electronics board by reversing the above procedures.
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\end{enumerate}
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\newpage
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\section{Resistor Load Board Removal from System Box}
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The resistor load board loads down the power supply in a diskless system
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or when just the RX33 floppy drive is installed in the system box. The
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power supply does not have enough of a load on it to regulate properly
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in these configurations. The load board simulates the drives by drawing
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enough power to regulate the power supply. You must remove the load
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board whenever a hard disk drive is installed in the system box.
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The resistor load board in the system box is different from the resistor load
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board in the expansion boxes. The part number of the resistor load board in
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the system box must be 5417163-02. The -01 version goes in the expansion
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boxes.
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\begin{enumerate}
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\item Remove the shield (\para{3.2}).
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\item Remove the three screws shown in \figref{3-29} that secure the drive
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mounting bracket to the chassis.
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\item Disconnect the power cable from the resistor load board.
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\item Lift the load board up and out of the chassis.
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\item If you are removing the load board to install a drive, remove and
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discard the standoffs that the load board sat on, then install the drive by
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reversing the removal instructions for that drive. Otherwise, install the
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new load board (p/n 5417163-02) by reversing the above procedures.
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\end{enumerate}
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\newpage
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\fig[0.9]{MA-0118-87}{Drive Mounting Bracket Screw Locations}
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\newpage
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\section{Battery Pack Removal}
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\begin{enumerate}
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\item Remove the shield (\para{3.2})
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\item Remove the system module assembly from the shield (\para{3.3})
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\item Disconnect the battery cable from the system module.
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\fig{MA-0078-87}{Battery Cable Location}
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\item Take the battery pack out of its holder.
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\item Replace the battery pack by reversing the above procedures.
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\note{A new battery needs a minimttm of 25 hours of continous power on to
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fully charge the battery. If the battery's charge is low, you will see an error for
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the NVR when you power up the system.}
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\end{enumerate}
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\newpage
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\section{Power Supply Removal from the System Box}
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\begin{enumerate}
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\item Remove the shield (\para{3.2}).
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\item Disconnect the power cables from the rear of the drives. If you need
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more room behind the drives, remove the three drive mounting screws
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and slide the drives out part way.
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\item Put the system on its side and remove the four screws shown in
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\figref{3-31} that hold the power supply to the bottom of the chassis.
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\fig[0.73]{MA-0127-87}{Power Supply Screw Locations in the System Box}
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\newpage
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\item Slide the power supply out of the chassis.
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\item Replace the power supply by reversing the above procedures.
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\end{enumerate}
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\section{VAXstation 2000 VR260 Monochrome Monitor}
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You may need the following tools to repair the VR260 Monitor.
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\begin{itemize}
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\item Phillips screwdriver
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\item Slotted screwdriver
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\item High-voltage discharge tool (p/n 29-24717)
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\end{itemize}
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\figref{3-32} shows the FRUs in the VR260 monitor.
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\fig[0.9]{MA-0088-87}{VR260 FRU Locations}
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\newpage
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\subsection{VR260 Cover}
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\begin{enumerate}
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\item Switch the monitor power switch off.
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\item Disconnect the power cord and video cable from the monitor. Refer to \figref{3-33}.
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\fig[0.75]{MA-7557-80}{VR260 Controls and Video Cable Locations}
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\item Carefully place the monitor on its face.
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\item Loosen the four rubber feet on the bottom.
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\item Slide the tilt-swivel base up and off the monitor.
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\item Finish unscrewing the four rubber feet and remove them from the monitor.
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\newpage
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\item Remove the four phillips cover screws shown in \figref{3-34} from the rear of the monitor.
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|
|
\fig[0.75]{MA-0089-87}{VR260 Cover Screw Locations}
|
|
|
|
\item Lift the cover off.
|
|
|
|
\newpage
|
|
|
|
\item Lift the bezel off. Refer to \figref{3-35}.
|
|
|
|
\fig[0.75]{MA-0090-87}{VR260 Rear Bezel Location}
|
|
|
|
\item Place the monitor back down to its normal position.
|
|
|
|
\item Reverse the above procedures to replace the cover.
|
|
|
|
\end{enumerate}
|
|
|
|
\newpage
|
|
|
|
\subsection{VR260 Deflection Board Removal}
|
|
|
|
The deflection board is mounted inside the chassis door.
|
|
|
|
\begin{enumerate}
|
|
|
|
\item Remove the monitor cover (\para{3.12.1})
|
|
|
|
\item Loosen the two 1/4-turn fasteners on the chassis door, and open the
|
|
door. Refer to \figref{3-36}.
|
|
|
|
\fig{MA-0091-87}{VR260 Side Door Screw Locations}
|
|
|
|
\newpage
|
|
|
|
\item Discharge and disconnect the high-voltage anode wire from the cathode
|
|
ray tube (CRT) as follows.
|
|
|
|
\begin{itemize}
|
|
|
|
\item Make sure the monitor's power switch is off.
|
|
|
|
\item Ground the high-voltage discharge tool (p/n 29-24717) to the tension
|
|
band or the chassis.
|
|
|
|
\item Insert the high-voltage discharge tool under the anode cap on the
|
|
CRT and make contact with the anode clip. Refer to \figref{3-37}.
|
|
|
|
\fig[0.5]{MA-0754-85}{High-Voltage Discharge Tool}
|
|
|
|
\item Remove the discharge tool from the monitor.
|
|
|
|
\item Disconnect the high-voltage anode wire from the CRT by squeezing
|
|
the metal clips inside the cap.
|
|
|
|
\end{itemize}
|
|
\newpage
|
|
|
|
\item Disconnect the following cables from the deflection board.
|
|
Refer to \figref{3-38} for cable location.
|
|
|
|
\begin{itemize}
|
|
\item CRT yoke (J3)
|
|
\item Power transformer (J1, blue and green wires)
|
|
\item Slip-on ground (J4)
|
|
\item Video board (J5, red and orange wires)
|
|
\item Video board (J2)
|
|
\end{itemize}
|
|
|
|
\fig[0.8]{MA-0130-87}{VR260 Deflection Board}
|
|
|
|
\item Remove the deflection board from the six plastic clips on the chassis door.
|
|
|
|
\item Reverse the above procedures to replace the deflection board.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\subsection{VR260 Rear Bulkhead Assembly}
|
|
|
|
\begin{enumerate}
|
|
|
|
\item Remove the monitor cover (\para{3.12.1}).
|
|
|
|
\item Carefully place the monitor on its face.
|
|
|
|
\item Loosen the six keyhole screws shown in \figref{3-39} on the rear bulk
|
|
head assembly.
|
|
|
|
\fig[0.75]{MA-0092-87}{VR260 Rear Bulkhead Screw Locations}
|
|
|
|
\item Slide the rear bulkhead assembly up and off.
|
|
\newpage
|
|
\item Disconnect the video wire from under the video board Refer to \figref{3-40}.
|
|
|
|
\fig[0.8]{MA-0093-87}{VR260 Rear Bulkhead}
|
|
\item Disconnect the cable from the transformer assembly.
|
|
|
|
\item Disconnect the grounding strap.
|
|
|
|
\caution{Be sure to reconnect the grounding strap when replacing the rear
|
|
bulkhead assembly.}
|
|
|
|
\item Reverse the above procedures to replace the rear bulkhead.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\subsection{VR260 Video Board Removal}
|
|
|
|
\begin{enumerate}
|
|
|
|
\item Remove the monitor cover (\para{3.12.1}).
|
|
\item Remove the rear bulkhead assembly (\para{3.12.3}).
|
|
\item Release the video board from the three standoffs by pressing in on the
|
|
standoffs and lifting the video board.
|
|
\item Refer to \figref{3-41} and disconnect the following cables from the video board.
|
|
\begin{itemize}
|
|
\item Deflection board (J12)
|
|
\item Deflection board (J9)
|
|
\item 3-Wire cable (J6)
|
|
\item 2-Wire cable (J7)
|
|
\item Ground wire (J8, double clip)
|
|
\end{itemize}
|
|
|
|
\newpage
|
|
\fig[0.8]{MA-0129-87}{VR260 Video Board}
|
|
\note{When replacing the video board, be sure to match the keyed CRT socket
|
|
on the video board to the pins of the CRT. Squeeze the standoffs while pressing
|
|
the board onto the CRT.}
|
|
\item Reverse the above procedures to replace the video board.
|
|
\end{enumerate}
|
|
\subsection{VR260 Transformer Assembly}
|
|
\begin{enumerate}
|
|
\item Remove the monitor cover (\para{3.12.1}).
|
|
\item Remove the rear bulkhead assembly (\para{3.12.3}).
|
|
\item Remove the video board (\para{3.12.4}).
|
|
\newpage
|
|
\item Disconnect the 2-wire cable from the deflection board (Jl) and remove
|
|
this 2-wire cable from the plastic clips (3) on the chassis. Refer to \figref{3-42}.
|
|
\fig[0.65]{MA-0094-87}{VR260 Transformer Assembly}
|
|
\caution{Make sure the transformer does not drop onto the CRT while you
|
|
remove the four screws in the next step.}
|
|
\item Remove the four screws holding the transformer assembly to the bottom
|
|
of the chassis.
|
|
\item Reverse the above procedure to replace the transformer assembly.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\subsection{VR260 Tube/Yoke/Bezel Assembly Removal}
|
|
|
|
The tube/yoke/bezel assembly is made up of the CRT, yoke, and front bezel
|
|
subassemblies.
|
|
|
|
\begin{enumerate}
|
|
|
|
\item Remove the monitor cover (\para{3.12.1}).
|
|
|
|
\item Remove the deflection board (\para{3.12.2}).
|
|
|
|
\item Remove the rear bulkhead assembly (\para{3.12.3}).
|
|
|
|
\item Remove the video board (\para{3.12.4}). Put the cable from J12 on
|
|
the video board aside or leave it connected to the video board so it will
|
|
not get misplaced.
|
|
|
|
\item If the tube/yoke/bezel assembly has a braided ground strap attached to
|
|
the tension band, then remove it from the chassis by unscrewing the
|
|
grounding screw on the chassis, not from the tension band. The braided
|
|
ground strap stays connected to the tension band. Unscrew any other
|
|
braided grounding straps from the chassis.
|
|
|
|
\item Loosen the middle screws and remove the two outer screws as shown
|
|
in \figref{3-43}. Do this for both sides of the chassis.
|
|
|
|
\fig[0.7]{MA-0095-87}{VR260 Tube/Yoke/Bezel Assembly Screw Locations}
|
|
\newpage
|
|
|
|
\item Lift the chassis from the tube/yoke/bezel assembly.
|
|
|
|
\item Place the new tube/yoke/bezel assembly face down and reverse the
|
|
above procedures to replace the tube/yoke/bezel assembly.
|
|
|
|
\caution{The cable behveen the deflection board (J2) and the video board (J9)
|
|
must be connected to the proper locations as shown in \figref{3-44}. If you were
|
|
to connect it backwards, (that is, the LED connector end to the video board) the
|
|
green LED will not light when power is turned on.}
|
|
|
|
\end{enumerate}
|
|
\fig{MA-0096-87}{VR260 Tube/Yoke/Bezel Assembly's LED Cable}
|
|
\figref{3-45} shows the cable connections for the VR260 monochrome monitor.
|
|
|
|
\newpage
|
|
|
|
\sfig[1.0]{MA-0097-87}{VR260 Cable Connections}
|
|
\newpage
|
|
|
|
\subsection{VR260 LED Assembly}
|
|
|
|
Use a small-bladed screwdriver or a similar tool for the following procedure.
|
|
|
|
\begin{enumerate}
|
|
|
|
\item Carefully pry the LED/bezel assembly off the monitor. Refer to \figref{3-46}.
|
|
|
|
\fig[0.6]{MA-0411-85}{VR260 LED/Bezel Assembly}
|
|
|
|
\item Disconnect the LED wires.
|
|
\end{enumerate}
|
|
|
|
To replace the LED/bezel assembly, do the following.
|
|
|
|
\begin{enumerate}
|
|
\item Connect the LED wires to the LED/bezel assembly. The black wire is
|
|
connected to the notched connector leg.
|
|
|
|
\item Remove the protective paper backing from the double-sided tape on
|
|
the LED/bezel assembly.
|
|
|
|
\item Press the LED/bezel assembly in place.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
|
|
\section{Keyboard Removal (VAXstation 2000 only)}
|
|
\begin{enumerate}
|
|
\item Unplug the keyboard cable from the rear of the monitor. Refer to \figref{3-47}.
|
|
\note{The keyboard is a Single FRU. Do not try to remove the keycaps or disassemble the keyboard.}
|
|
\end{enumerate}
|
|
\fig{MA-0098-87}{Disconnecting the Keyboard (VAXstation 2000)}
|
|
\newpage
|
|
|
|
\section{Mouse and Tablet (VAXstation 2000 only)}
|
|
\begin{enumerate}
|
|
\item Disconnect the mouse or tablet from the monitor's cable. Refer to \figref{3-48}.
|
|
\note{The mouse and the tablet are Single FRUs. Do not try to disassemble them.}
|
|
\end{enumerate}
|
|
\fig{MA-0099-87}{Disconnecting the Mouse or Tablet (VAXstation 2000)}
|
|
\newpage
|
|
|
|
|
|
\section{ Terminal Disconnection from MicroVAX 2000}
|
|
\begin{enumerate}
|
|
\item Switch off the terminal's power switch.
|
|
\item Disconnect the cable from the COMM connector on the back of the terminal.
|
|
\item Refer to the terminal's pocket service guide for troubleshooting and
|
|
removal and replacement procedures for the terminal.
|
|
\end{enumerate}
|
|
|
|
\subsection{DEC423 Converter Removal from MicroVAX 2000}
|
|
\begin{enumerate}
|
|
\item Switch off MicroVAX 2000's power.
|
|
\item Unscrew two screws on the bottom of the DEC423 converter as shown
|
|
in \figref{3-49} and remove the DEC423 Converter from the back of the
|
|
MicroVAX 2000 system box.
|
|
\fig[0.8]{MA-0159-87}{DEC423 Converter's Mounting Screw Locations}
|
|
\newpage
|
|
\item One at a time, disconnect the cables from the converter you are
|
|
removing and reconnect them to the same connectors on the new converter.
|
|
\item Connect the new converter to the back of the MicroVAX 2000 system
|
|
box and screw in the two mounting screws.
|
|
\end{enumerate}
|
|
|
|
\section{Expansion Adapter Removal}
|
|
|
|
The expansion adapter is not an FRU. There is one FRU module located
|
|
inside the expansion adapter called the disk interface module. There is
|
|
also an interface cable for the tape drive expansion box that passes through
|
|
the expansion adapter and attaches directly to connector A on the back
|
|
of the expansion adapter. Removal procedures for the expansion adapter
|
|
are below. The removal and replacement Information for the disk interface
|
|
module is in \para{3.16.1}.
|
|
|
|
\begin{enumerate}
|
|
\item Remove the shield (\para{3.2})
|
|
\item Remove the four screws shown in \figref{3-50} that hold the expansion
|
|
adapter to the bottom of the System.
|
|
\fig[0.7]{MA-0100-87}{Expansion Adapter Screws}
|
|
\newpage
|
|
\item Disconnect the disk expansion cables from the disk interface module.
|
|
Refer to \figref{3-51}.
|
|
\fig[0.8]{MA-0101-87}{Expansion Cables Locations}
|
|
\item Unscrew the tape port connector from the expansion adapter.
|
|
\item Replace the expansion adapter by reversing the above procedures.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\subsection{Expansion Adapter Disk Interface Module Removal}
|
|
|
|
\begin{enumerate}
|
|
\item Switch off power to the System.
|
|
|
|
\item Put the system box on its side and remove the two cover screws shown
|
|
in \figref{3-52} and remove the cover.
|
|
|
|
\fig{MA-0069-87}{Expansion Adapter Cover Screws Location}
|
|
\newpage
|
|
\item Disconnect the cables to the disk interface module and remove the three
|
|
screws shown in \figref{3-53}.
|
|
|
|
\fig[0.9]{MA-0102-87}{Expansion Adapter Disk Interface Module Cables and Screw Locations}
|
|
\item Reverse the above proceduie to replace the disk interface module.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\section{VAXstation 2000 and MicroVAX 2000 Expansion Box}
|
|
|
|
There are two configurations of expansion boxes and both configurations
|
|
are available for the VAXstation 2000 and MicroVAX 2000 systems. One
|
|
configuration consists of an RD53 hard disk drive in an expansion box
|
|
for 70 megabytes of storage memory. Another configuration consists of
|
|
a TK50 tape drive with a TZK50 controller board in an expansion box for
|
|
94.5 megabytes of storage memory.
|
|
|
|
The expansion box with the hard disk contains five FRUs. They are the
|
|
disk, disk device electronics board inside the disk, a resistor load board,
|
|
the power supply, and the expansion box itself. The expansion box with the
|
|
tape drive also contains five FRUs. They are the TK50 tape drive, TZK50
|
|
controller board, a resistor load board, the power supply, and the expansion
|
|
box itself.
|
|
|
|
Paragraph 3.17.1 contains removal procedures for the hard disk drive ex
|
|
pansion box and Paragraph 3.17.2 contains removal procedures for the tape
|
|
drive expansion box.
|
|
|
|
\subsection{Hard Disk Drive Expansion Box Disconnection from System Box}
|
|
\begin{enumerate}
|
|
\item Switch off power to the expansion box.
|
|
\item Disconnect the power cable on the expansion box from the wall plug
|
|
and then from the expansion box.
|
|
\newpage
|
|
\item Disconnect the hard disk drive expansion box cable shown is \figref{3-54}
|
|
from the back of the expansion box.
|
|
\fig{MA-0103-87}{Hard Disk Expansion Box Cable}
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\subsubsection{Hard Disk Drive Removal from Hard Disk Expansion Box}
|
|
\begin{enumerate}
|
|
\item Switch off power to the expansion box.
|
|
|
|
\item Unscrew the four screws shown in \figref{3-55} and remove the expansion box cover.
|
|
|
|
\fig[0.75]{MA-0104-87}{Hard Disk Expansion Box Cover Screw Locations}
|
|
\newpage
|
|
\item Disconnect the power cable shown in \figref{3-56} from the resistor load board.
|
|
\fig[0.9]{MA-0105-87}{Resistor Load Board Power Cable}
|
|
\newpage
|
|
\item Remove the five screws shown in \figref{3-57} that hold the shieid to the main chassis.
|
|
\fig[0.9]{MA-0106-87}{Hard Disk Expansion Box Shieid Screw Locations}
|
|
\newpage
|
|
|
|
\item Lift the shield up and off to the side of the expansion box.
|
|
|
|
\item Remove the three drive mounting screws shown in \figref{3-58}.
|
|
\fig[0.9]{MA-0107-87}{Hard Disk Expansion Box Drive Mounting Screws}
|
|
\newpage
|
|
\item Slide the drive out halfway and disconnect the two data cables and the
|
|
power cable from the back of the drive, then remove the drive. See \figref{3-59}.
|
|
\fig{MA-0108-87}{Hard Disk Expansion Box Drive Cables Locations}
|
|
\newpage
|
|
|
|
\item Remove the four screws shown in \figref{3-60} and remove the mounting
|
|
bracket from the drive.
|
|
\fig[0.8]{MA-0084-87}{Hard Disk Expansion Box Drive Mounting Bracket Screws Location}
|
|
|
|
\item If you removed an RD53 because of an error with the drive, go to \para{3.7.1}
|
|
to replace the device electronics board. Replace the RD53
|
|
by reversing the above procedure.
|
|
\end{enumerate}
|
|
|
|
\newpage
|
|
\subsubsection{Power Supply Removal from the Hard Disk Expansion Box}
|
|
\begin{enumerate}
|
|
\item Switch off power to the expansion box.
|
|
|
|
\item Unscrew the four screws shown in \figref{3-61} and remove the expansion box cover.
|
|
\fig[0.75]{MA-0104-87}{Hard Disk Expansion Box Cover Screw Locations}
|
|
\newpage
|
|
|
|
\item Disconnect the power cable shown in \figref{3-62} from the resistor load board.
|
|
\fig{MA-0105-87}{Hard Disk Expansion Box Resistor Load Board Power Cable}
|
|
\newpage
|
|
|
|
\item Remove the five screws shown in Figure 3-63 that hold the shield to
|
|
the main chassis.
|
|
|
|
\fig[0.9]{MA-0106-87}{Hard Disk Expansion Box Shield Screw Locations}
|
|
\newpage
|
|
|
|
\item Lift the shield up and hold it with one hand and disconnect the power
|
|
cable from the drive with the other hand.
|
|
\item Tip the expansion box on its side and remove the four screws shown in
|
|
\figref{3-64} that hold the power supply to the chassis.
|
|
|
|
\fig[0.75]{MA-0157-87}{Hard Disk Expansion Box Power Supply Mounting Screw Locations}
|
|
|
|
\note{One of the power supply cables has an extension cable on it. You must
|
|
remove this extension from the power supply you are removing and connect it
|
|
to the same cable on the new power supply.}
|
|
\newpage
|
|
|
|
\item Repiace the power supply by reversing the above procedure.
|
|
\end{enumerate}
|
|
|
|
\subsubsection{Resistor Load Board Removal from the Hard Disk Expansion Box}
|
|
|
|
The resistor load board in the expansion box is different from the resistor
|
|
load board in the system box. The part number for the resistor load board
|
|
in the expansion box is 5417163-01. The -02 version is for the system box.
|
|
|
|
\begin{enumerate}
|
|
\item Switch off power to the expansion box.
|
|
|
|
\item Unscrew the four screws shown in \figref{3-65} and remove the expansion box cover.
|
|
|
|
\fig[0.75]{MA-0104-87}{Hard Disk Expansion Box Cover Screw Location}
|
|
\newpage
|
|
|
|
\item Disconnect the power cable from the resistor load board Refer to \figref{3-66}.
|
|
\fig{MA-0105-87}{Hard Disk Expansion Box Resistor Load Board Power Cable}
|
|
|
|
\item Remove the resistor load board from the shield.
|
|
|
|
\item Replace the resistor load board by reversing the above procedure.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\subsection{Tape Drive Expansion Box Disconnection from System Box}
|
|
|
|
\begin{enumerate}
|
|
\item Switch off power to the expansion box.
|
|
\item Disconnect the power cable on the expansion box from the wall plug
|
|
and then from the expansion box.
|
|
\item Disconnect the tape drive expansion box cable shown in \figref{3-67}
|
|
from the back of the expansion box.
|
|
\end{enumerate}
|
|
\fig{MA-0109-87}{Tape Drive Expansion Box Data Cable}
|
|
\newpage
|
|
|
|
\subsubsection{TZK50 Controller Board Removal from the Tape Drive Expansion Box}
|
|
|
|
\begin{enumerate}
|
|
\item Switch off power to the expansion box.
|
|
|
|
\item Unscrew the four screws shown in \figref{3-68} and remove the expansion box cover
|
|
|
|
\fig[0.75]{MA-0104-87}{Tape Drive Expansion Box Cover Screw Locations}
|
|
\newpage
|
|
|
|
\item Disconnect the tape data cable (J3), the TK50 tape drive I/O cable (Jl),
|
|
and the power cable (P1) from the TZK50 controller board. Refer to \figref{3-69}.
|
|
|
|
\fig[0.8]{MA-0110-87}{TZK50 controller Board Cable Locations}
|
|
|
|
\item Remove the TZK50 controller board from the shield.
|
|
\item Set the jumpers on the new TZK50 controller board in the same position
|
|
as they. are on the old TZK50 controller board you just removed (see
|
|
\figref{3-70}). If the old board does not have the three resistor packs in-
|
|
stalled (Z7, Z6, and Z8), remove them from the new board. \figref{3-70}
|
|
shows the TZK50 controller board configured for ID address 1, with
|
|
parity checking enabled, and internal diagnostics disabled.
|
|
\item Replace the TZK50 controller board by reversing the above procedure.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\sfig[0.8]{MA-0158-87}{TZK50 Controller Board Jumper and Resistor Pack Locations}
|
|
\newpage
|
|
|
|
\subsubsection{TK50 Tape Drive Removal from Tape Drive Expansion Box}
|
|
\begin{enumerate}
|
|
\item Remove the TZK50 Controller board (\para{3.17.2.1}).
|
|
|
|
\item Disconnect the power cable on the resistor load board that comes from
|
|
the power supply.
|
|
|
|
\item Unscrew the five screws shown in \figref{3-71} that secure the shield to
|
|
the main chassis.
|
|
\fig[0.85]{MA-0111-87}{Tape Drive Expansion Box Shield Screw Locations}
|
|
\newpage
|
|
\item Lift the shield up and off of the main chassis.
|
|
|
|
\item Remove the three drive mounting screws shown in \figref{3-72}.
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|
\fig[0.9]{MA-0112-87}{Tape Drive Expansion Box Drive Mounting Screw}
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|
\newpage
|
|
|
|
\item Slide the tape drive out halfway and disconnect the I/O cable and the
|
|
power cable from the back of the drive then remove the drive. Refer to \figref{3-73}.
|
|
|
|
\fig{MA-0113-87}{TK50 Tape Drive Cable Locations}
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|
|
|
\newpage
|
|
\item Remove the four screws shown in \figref{3-74} that secure the mounting
|
|
brackets to the sides of the drive. Remove the mounting brackets from the drive.
|
|
|
|
\fig[0.75]{MA-0114-87}{Tape Drive Mounting Brackets Screw Locations}
|
|
|
|
\item Replace the tape drive by reversing the above procedure.
|
|
\end{enumerate}
|
|
|
|
\subsubsection{Power Supply Removal from the Tape Drive Expansion Box}
|
|
\begin{enumerate}
|
|
\item Remove the TZK50 Controller board (\para{3.17.2.1}).
|
|
\item Disconnect the power cable on the resistor load board that comes from
|
|
the power supply.
|
|
\item Unscrew the five screws shown in \figref{3-71} that secure the shield to
|
|
the main chassis.
|
|
\item Lift the shield up and off of the main chassis.
|
|
\item Remove the three drive mounting screws shown in \figref{3-72}.
|
|
\item Disconnect the power cable from the back of the drive and slide the
|
|
drive out of the box.
|
|
\newpage
|
|
|
|
\item Put the expansion box on its side as shown in \figref{3-75} and remove
|
|
the four screws holding the power supply to the chassis.
|
|
|
|
\fig[0.75]{MA-0126-87}{Tape Drive Expansion Box Power Supply Mounting Screw Locations}
|
|
\item Replace the power supply by reversing the above procedure.
|
|
\end{enumerate}
|
|
\newpage
|
|
|
|
\subsubsection{Resistor Load Board Removal from the Tape Drive Expansion Box}
|
|
|
|
The resistor load board in the expansion box is different from the resistor
|
|
load board in the system box. The part number for the resistor load board
|
|
in the expansion box is 5417163-01. The -02 version is for the system box
|
|
|
|
\begin{enumerate}
|
|
\item Switch off power to the expansion box.
|
|
\item Unscrew the four screws shown in \figref{3-68} and remove the expansion box cover.
|
|
\item Disconnect the two power cables shown in \figref{3-76} from the resistor load board.
|
|
\fig{MA-0115-87}{Tape Drive Expansion Box Resistor Load Board Power Cable Locations}
|
|
\newpage
|
|
\item Remove the resistor load board from the shield.
|
|
\item Replace the resistor load board by reversing the above procedure.
|
|
\end{enumerate}
|
|
|
|
\section{Recommended Spares List}
|
|
\begin{tbl}{}{l X l}
|
|
\textbf{Part Number} & \textbf{Description} & \textbf{Qty} \\
|
|
\hline
|
|
|
|
70-24268-01 & VAXstation 2000 and MicroVAX 2000 System module & 1\\
|
|
54-16802-BA & 4 Megabyte memory module & 1\\
|
|
54-16802-AA & 2 Megabyte memory module & 1\\
|
|
H7848-BA & 120V power supply & 1\\
|
|
H7848-BB & 240V power supply & 1\\
|
|
54-16804-01 & Network interconnect module & 1\\
|
|
54-17163-01 & Resistor load board for Expansion Box & 1\\
|
|
54-17163-02 & Resistor load board for System Box & 1\\
|
|
29-24794-00 & 9-Pin loopback connector for printer port & 1\\
|
|
29-24795-00 & 25-Pin loopback connector for communication port & 1\\
|
|
12-19245-00 & Battery pack & 1\\
|
|
54-17003-01 & Disk interface module (in expansion adaptor) & 1\\
|
|
54-17639-01 & (TZK50-AA) TZK50 Controller module (in expansion box) & 1\\
|
|
TK50-AA & TK50 tape drive & 1\\
|
|
29-26243-00 & Branch suitcase & 1\\
|
|
17-00303-07 & Network interconnect interface cable (connects network
|
|
interconnect module to System module) & 2\\
|
|
17-01107-01 & Internal RX/RD cable (connects internal RX and RD
|
|
drives to System module) & 1\\
|
|
17-01107-02 & RX/RD cable (connects internal RX and RD drives and
|
|
also the disk interface module that is in the expansion
|
|
adapter to the System module) & 1\\
|
|
17-01244-01 & Internal tape port cable (connects the tape port A inside
|
|
the expansion adapter to the System module) & 1\\
|
|
17-00674-03 & RD expansion adapter cable (From the disk port B on
|
|
the expansion adapter to the hard disk expansion box) & 1\\
|
|
\end{tbl}
|
|
\begin{tbl}{}{l X l}
|
|
\textbf{Part Number} & \textbf{Description} & \textbf{Qty} \\
|
|
\hline
|
|
17-01247-02 & TK50 tape drive I/O cable (From TK50 to TZK50 in tape
|
|
drive expansion box) & 1\\
|
|
17-01397-01 & Load board power cable extension (in tape drive
|
|
expansion box) & 1\\
|
|
17-01249-01 & Internal tape data cable (from TZK50 controller board
|
|
to the bulkhead connector in tape drive expansion box) & 1\\
|
|
17-01351-02 & Tape drive expansion box data cable (from the tape port
|
|
A on the expansion adapter to the tape drive expansion
|
|
box) & 1\\
|
|
70-23766-01 & DEC423 converter (MicroVAX 2000's RS232 to DEC423
|
|
MMJ plugs converter) & 1\\
|
|
17-00445-02 & Hard disk drive expansion box data cable & 1\\
|
|
17-00300-XX & BCC05 printer cable & 1\\
|
|
17-00568-01 & BC18P monochrome video cable & 1\\
|
|
17-00289-XX & BCC04-10 modem cable & 1\\
|
|
17-00301-XX & BCC08 console cable & 1\\
|
|
17-00313-04 & BC22D-50 null modem cable & 1\\
|
|
17-00342-01 & Power cable extension to resistor load board & 1\\
|
|
17-01090-01 & Internal RD data cable in expansion box & 1\\
|
|
17-00811-03 & BC16E-25 DECconnect office cable (with MMJ ends) & 2\\
|
|
17-00811-04 & BC16E-50 DECconnect office cable (with MMJ ends) & 1\\
|
|
12-23599-01 & H8571-A 25-Pin passive adapter & 3\\
|
|
H3103 & MMJ loopback connector & 2\\
|
|
12-25869-01 & ThinWire Ethernet ``T'' connector & 1\\
|
|
12-26318-01 & ThinWire Ethernet cable terminator & 2\\
|
|
30-19448-06 & RX50 blank media for field service system exerciser & 1\\
|
|
30-25145-05 & RX33 blank media for field service system exerciser & 1\\
|
|
30-20515-01 & TK50 blank meria for field service system exerciser & 1\\
|
|
70-21861-01 & VR260 tube/yoke/bezel assembly & 1\\
|
|
70-21862-01 & VR260 LED bezel assembly & 1\\
|
|
70-21266-01 & VR260 rear bulkhead & 1\\
|
|
\end{tbl}
|
|
|
|
\begin{tbl}{}{l X l}
|
|
\textbf{Part Number} & \textbf{Description} & \textbf{Qty} \\
|
|
\hline
|
|
54-15624-01 & VR260 deflection board & 1\\
|
|
54-15626-01 & VR260 video amp board & 1\\
|
|
74-30063-01 & VR260 video amp board standoffs & 1\\
|
|
70-21863-01 & VR260 brightness/contrast control & 1\\
|
|
70-21478-01 & VR260 H/V cable & 1\\
|
|
70-21480-01 & VR260 ground cable & 1\\
|
|
70-21477-01 & V/D cable assembly & 1\\
|
|
70-21865-01 & VR260 transformer assembly & 1\\
|
|
70-21924-01 & VR260 chassis subset & 1\\
|
|
74-28316-01 & VR260 foot & 1\\
|
|
12-21126-04 & VR260 fuse holder assembly (Europe) & 1\\
|
|
12-19283-19 & VR260 fuse, 240 Vac (Europe) & 1\\
|
|
90-07212-00 & VR260 fuse, 115 Vac (U.S.) & 1\\
|
|
\end{tbl}
|