Tektronix 2715 Replacing the RF Mother Board, Replacing the Power Supply Assembly

Maintenance
6-30 2715 Spectrum Analyzer Service Manual
Use the following procedure to replacethe R F Mother Board:
1. Remove the instrument from its cabinet.
2. Disconnect P100, P410, P400, P565, and P670 from the RF Motherboard
(Figure 6-- 8 on Page 6-- 24).
3. Remove the nut and washer fromJ100 on the RF Mother board.
4. Remove the four screws from the four cornersof the RF Mother board.
5. Remove the RF Mother board assembly.
Replace the assembly by reversingthe removal procedure.
Use the following procedure to replacethe P owerS upply Assembly:
1. Remove the instrument from its cabinet.
2. Remove the plugin circuit board retainer.
3. Remove all the plugin circuit boards.
4. Remove the VariableResolution module.
5. Remove the connector fromJ480 on the Sweep board.
6. Disconnect P400 from the RF Mother board (Figure6 --8 on Page 6--24).
7. Remove the CRT (see Replacing the CRT on Page 6-- 19).
8. Remove the connector fromJ6 on the Power Supply board.
9. Remove four screws at the corners of the rearsubpanel.
10. Remove two screws as shown in Figure 6--11.
Replacing the RF Mother
Board
Replacing the Power
Supply Assembly