Anritsu VectorStar MN469 C Series, Maintenance Manual, Page: 48 / 78

5-5 GPIB-Parallel Interface PCB Replacement Chapter 5 — Component Replacement
5-4 PN: 10410-00730 Rev. D MN469xC Series Multiport Test Set MM
5-5 GPIB-Parallel Interface PCB Replacement
Assemblies: 2000-989 or 3-2000-989
This section provides a procedure for removing and replacing the GPIB-Parallel Interface PCB Assembly in the
test set.
1. Remove the top cover from the test set. Refer to Section 5-3 “Removing the Covers” on page 5-2 .
2. Remove the board as illustrated Figure 5-3 .
1. Disconnect the two cables from the connectors as shown in the illustration.
2. Un-solder (de-solder) the black and red power wires on the left side of the PCB.
3. Remove the four mounting screws.
4. Slightly lift and slide the PCB board toward chassis center and then lift it away from the chassis.
5. Installation is reverse of the removal procedure.
Figure 5-3. GPIB-Parallel Interface PCB Removal Steps
1
2 x 2
3
x 4