Power Supply Replacement - Toshiba Strata DK14 Installation And Maintenance Manual

4. Unplug the AC cable from the CN1 connector on the power supply.
5. Remove the FG screw, and disconnect the green third wire ground ring terminal.
6. Unplug the DC cable from the CN3 connector on the power supply.
7. Remove the top two, and bottom left corner screws that attach the power supply to the KSU.
Remove power supply.
QPSU8 Power Supply
Power Supply
Mounting Screw
F.G. Screw for Third Wire
Ground Connection to
Power Supply
To HPFB6
HPFB
FG Screw
Ground
Wire
ACN1
Power Cord Connector
Power Supply
Mounting Screw
Figure 1-8 DK14 Power Supply

Power Supply Replacement

1. Set the power supply in its proper place in the KSU. See
2. Secure the power supply to the KSU with the top two, and bottom left corner screws.
3. Install the green third wire ground ring terminal with the FG screw.
4. Plug the AC cable into the CN1 connector on the power supply.
5. Plug the DC cable into the CN3 connector on the power supply.
6. Plug the AC power cable into an outlet and turn ON the power supply switch.
7. Test QPSU8 power supply according to Chapter 12-Fault Finding, "DK14 Hardware Fault
Isolation procedure."
8. Plug HPFB cable into BATT connector of power supply and reconnect the HPFB ground wire.
9. Reinstall the cover on the KSU.
Strata DK I&M 5/99
Power Supply
Mounting Screw
HPFB6
CN1
F201, 3 Amp Fuse
Non-replacable
Power Supply Removal and Replacement
CN3, Battery
Connector Plug
Battery Connector for HPFB
CN3
DC Power On/Off Switch
AC
AC and DC
CN2
Power Indicator LEDs
DC
FG
Yellow
J19
Wires (+24V)
CN2, J19
Power Supply
Connectors and Cable
2401
Figure 1-8.
DK14 Installation
1-9