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Chapter 4
FRU Removal and Replacement
151
PC Logic Power Supply Assembly
Each library has two PC logic power supply assemblies. The following procedure
applies for each power supply assembly.
Required Tools
Phillips screwdriver
▼
To Remove the Top PC Logic Power Supply
1. Remove power from the library.
Caution –
DO NOT disconnect the power cord from facility power or the library.
The power cord is the only means of grounding the chassis and helping to prevent
electrostatic discharge (ESD) damage.
2. Connect your ESD wrist grounding strap to the closest grounding point on the
frame of the library.
3. Remove the top and right cosmetic panels as shown in “Top, Right, and Left
Panels” on page 92.
4. Disconnect A1_J11 and A1_J15 from the robotics controller PWA.
5. Disconnect connectors P1_J2, P1_J3, P1_J4, and P1_J5 from the PC logic power
supply.
Note –
To prevent loosing removed hardware, cover the fan opening directly below
the controller electronics assembly.
6. Remove the screws that secure the PC logic power supply and brackets to the
controller electronics assembly.
Note –
Hold the PC logic power supply assembly securely when removing the last
mounting screw.
7. Detach the mounting bracket from power supply by removing the screws).
8. Disconnect the AC power.
Содержание Enterprise Tape Library 7/3500
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Страница 52: ...22 Sun Enterprise Tape Library 7 3500 Field Service Manual July 1997 FIGURE 1 11 Fan Locations TJ00016a ...
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Страница 116: ...86 Sun Enterprise Tape Library 7 3500 Field Service Manual July 1997 FIGURE 3 3 Tape Drive Interface PWA TA00109b ...
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Страница 167: ...Chapter 4 FRU Removal and Replacement 137 FIGURE 4 20 Tape Drive Distribution PWA Tape drive distribution PWA TJ00081A ...
Страница 177: ...Chapter 4 FRU Removal and Replacement 147 FIGURE 4 24 Robotics Controller PWA TJ00036a Robotics controller PWA ...
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Страница 231: ...Glossary 3 ZIF connector Zero insertion force connector ...
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