Removal and Replacement
4- 30
WFM6100, WFM7000, and WFM7100 With Option FP Service Manual
4.
Remove the special nuts securing the eight audio BNC connectors to the rear
panel.
NOTE
. Special nuts are used on the BNC connectors, due to the close physical
spacing, and a special tool is needed to remove them (see Table 4--9 on
page 4--26).
5.
Remove the Audio module rear panel from the two circuit boards.
6.
Separate the Audio module circuit boards at J1130.
1.
Disconnect the brown, blue, and green/yellow primary wires from the line
filter (see Figure 5--1).
2.
Disconnect the green/yellow ground wire from the chassis, using a
5
/
16
inch
nutdriver (see Figure 5--1).
3.
Disconnect the power cable from J14 on the Main board.
4.
From outside the instrument, remove the four T--10 screws securing the
Power Supply shield to the chassis.
5.
Lift the Power Supply out of the chassis.
6.
Disconnect the line filter cable from J1 on the Power Supply.
7.
Disconnect the power cable from J2 on the Power Supply.
8.
Remove the two T-15 screws securing the Power Supply to the shield.
9.
Lift the Power Supply out of the shield.
Remove the fan and baffle as a unit.
1.
From outside the instrument, remove the one T-10 screw that secures the
baffle to the chassis on each side of the instrument.
2.
Use long nose pliers to compress the lock tab on the connector, and
disconnect the fan power cable from J890 on the Main board.
3.
Lift the baffle out of the instrument.
4.
When replacing the fan and baffle, make sure that the guide pins and slots
line up correctly, top and bottom.
Power Supply
Fan assembly
Summary of Contents for WFM6100 Opt. MB
Page 4: ......
Page 12: ...Service Safety Summary viii WFM6100 WFM7000 and WFM7100 With Option FP Service Manual ...
Page 64: ...Repackaging Instructions 4 34 WFM6100 WFM7000 and WFM7100 With Option FP Service Manual ...
Page 76: ...Replaceable Parts 5 12 WFM6100 WFM7000 and WFM7100 With Option FP Service Manual ...