Tektronix RTX100A Service Manual page 111

12 V Main Power Supply
A40 AC Distributer Board
RTX100A ISDB-T RF Signal Generator Service Manual
1. Assemble equipment and locate modules to be removed:
a. You need a screwdriver with a T-10 Torx tip.
b. Locate the 12 V main power supply in the locator diagram Internal
modules, Figure 5-4, page 5-13.
2. Orient the instrument: Set the RTX100A so its bottom is down on the work
surface and its left side is facing you.
3. Remove the 12 V main power supply: See Figure 5-14 on page 5-32.
a. Disconnect the cables from CN1, CN2, CN3, and CN4.
b. Use a screwdriver with a T-10 Torx tip to remove the four screws
securing the 12 V main power supply to the chassis.
c. Lift the power supply away from the chassis.
4. Reinstallation: Perform step 3 in reverse order to reinstall the 12 V main
power supply.
1. Assemble equipment and locate modules to be removed:
a. You need a screwdriver with a T-10 Torx tip.
b. Locate the A40 AC Distributer board in the locator diagram Internal
modules, Figure 5-4, page 5-13.
2. Orient the instrument: Set the RTX100A so its bottom is down on the work
surface and its left side is facing you.
3. Remove the A40 AC Distributer board: See Figure 5-14 on page 5-32.
a. Disconnect the cables from J100, J110, and J120.
b. Use a screwdriver with a T-10 Torx tip to remove the three screws
securing the A40 AC Distributer board to the chassis.
c. Lift the board away from the chassis.
4. Reinstallation: Perform step 3 in reverse order to reinstall the A40 AC
Distributer board.
Removal and Installation Procedures
5-31