Tektronix RSA3303A Service Manual page 181

A71 AC Power Board
Power Supply 3
RSA3303A & RSA3308A Service Manual
1. Assemble equipment and locate module to be removed:
a. You will need a #2 Phillips screwdriver (Items 1 and 3).
b. Locate the A71 AC power board in the locator diagram Bottom modules
- - Power supply, Figure 6- -7, page 6- -17.
2. Orient the analyzer: Set the analyzer so its top is down on the work surface
and its front side is facing you.
3. Remove the A71 AC power board: See Figure 6- -23. Also see Figure 6- -38
(RSA3303A) or 6- -39 (RSA3308A) for cable interconnection.
a. Unplug the cables at J100, J110, J120, and J130 on the A71 board.
b. Remove the four screws securing the A71 board to the main chassis.
Lift up the board away.
4. Reinstallation: Reverse step 3 to reinstall the A71 board.
1. Assemble equipment and locate module to be removed:
a. You will need a #2 Phillips screwdriver (Items 1 and 3).
b. Locate the power supply 3 (standby power) in the locator diagram
Bottom modules - - Power supply, Figure 6- -7, page 6- -17.
2. Orient the analyzer: Set the analyzer so its top is down on the work surface
and its front side is facing you.
3. Remove the power supply 3: See Figure 6- -23. Also see Figure 6- -38
(RSA3303A) or 6- -39 (RSA3308A) for cable interconnection.
a. Unplug the cables at CN1 and CN2 on the power supply 3 board.
b. Remove the four screws securing the board to the main chassis.
Lift up the board away.
4. Reinstallation: Reverse step 3 to reinstall the power supply 3.
Removal and Installation Procedures
6- 47