Power Supply Removal And Replacement; Power Supply Removal; Figure 2-14 Power Supply (Tpsu16A) - Toshiba Strata DK40 Installation & Maintenance Manual

DK40 Installation

Power Supply Removal and Replacement

The power supply (TPSU16F) comes factory-installed in the Base KSU; if necessary, it can
be removed and replaced.
1643

Figure 2-14 Power Supply (TPSU16A)

Power Supply Removal

1. Make sure that the power supply switch is OFF and that the AC power cable is not
plugged into an outlet. Confirm that the green AC LED is not lit
2. Unplug reserve battery cable from BATT connector of power supply.
3. Unplug the FG2 plug from the Expansion KSU ground wire.
4. Unplug the DC cable from the DC OUT connector (P16).
5. Remove the FG screw from left side of power supply to free FG wire/terminal and
building ground wire.
6. Disconnect the earth wires from the TCOU, TBSU, or KSTU3 PCB's that are connected
to FG1 or FG2.
7. Unplug the AC power cord from PN2.
8. Remove the eight screws that attach the power supply to the Base KSU. Remove the
power supply.
2-20
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
2
FG5
1
-24V
-24V
FG2
8
Power Supply Removal and Replacement
3
FG
POWER SUPPLY ASSEMBLY
TPSU16F
MODEL
INPUT: AC240V 1.0A 50/60 HZ
OUTPUT: -27.3V 2.8A. -27.3V 0.2A
AC
V. 1A 1996-05 00001
FG4
TOSHIBA CORPORATION
DC POWER
MADE IN SINGAPORE
WARNING
FG3
Hazardous voltage inside!
If servicing required
remove A. C. plug.
FG2
7
Strata DK40 I&M Manual Spring 1999
4
DC
FG1
6 5
(see Figure 2-14).