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Performance Tests
8. Test Port Crosstalk
In Case of
Difficulty
WARNING
These servicing instructions are for use by qualified personnel only.
To avoid electrical shock, do not perform any servicing unless you are
qualified to do so.
WARNING
The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
WARNING
The power cord is connected to internal capacitors that may remain
live for five seconds after disconnecting the plug from its power
supply.
1
Remove the instrument top cover. Using an 8 lb-inch torque wrench, verify that
all
semi-rigid cables connected to the sampler/mixer assemblies are tight. In
addition tighten any loose screws on the sampler/mixer assemblies (A4/5/6)
and the pulse generator assembly (A7).
2
Remove the instrument bottom cover. Refer to Figure 4-19. Verify that cables
W1, W31 and W32 are tight.
3
Repeat this test.