Reassembly Procedures - HP 8481A Operating And Service Manual

HP 8481A/82 A/83 A
08481-90049
Reassembly
Procedures
Figure 10. Power Sensor Hardware Locations
Caution ^ The gold wires connecting the A1 Bulkhead Assembly and the A2 Input
Amplifier Assembly are extremely delicate and may be easily broken.
Be careful when working around them.
1. Set the printed circuit board and connector into place as shown in
figure 10, bottom view.
2. Insert cap screws 8, 9, 11, 12, 14, and 15 but do not tighten.
3. Center the circuit board so there is equal air gap between each side
and the chassis. Tighten 8, 9, 14, and 15.
4. With small hole 5 to the left, carefully insert the gold leads on A1
bulkhead assembly through the holes in the black plastic guide on
A2 input amplifier.
5. Insert screw 3, 4, and 5. Tighten only screw 5.
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