Maintenance
Power Supply Module
Use a torque-li
miting Torx T-15 screwdriver and pliers for this procedure.
Refer to the exp l od ed view diagram. (See page 9 4.)
Removal.
1. Remove the po w er button and rear case. (See page 58, Rear Case.)
2. Disconnect the following wires and cables:
The ground wire on the power supply module from the chassis ground lug.
The power supply cable on the Main board at J101. Press down on the
latch w hile pulling up on the cable.
3. Remove the five screws that connect the power supply module to the chassis
and lift the module from the internal assembly. The two screws for the AC
connector are longer than the others.
Instal
lation.
1. Align and place the power supply m odule into the internal assembly.
2. Install the two longer screws with thread lock into the IEC AC pow er
connector mounting holes.
3. Install the three shorter screws through the p ower supply and into the chassis.
4. Connect the following wire and cables:
The ground w ire on the power supply module to the chassis ground lug.
You may need to use pliers to secure the wire in place.
The p ower supply cable to the Main board at J101. Position the cable to
keep it from contacting the boards and chassis.
NOTE. Twist the power supply cable until it is tight; loops are okay. This keeps
the cable bundle together.
5. Assemble the oscilloscope by perform ing the installation procedure in reverse
order for each module that was removed.
60 TDS2000C and TDS1000C-EDU Series Oscilloscope Service Manual
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