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5
Repair Guide
Instructions
– With reference to
Figure 5-6
– Lift and remove the cable clamp.
– Disconnect the cable attaching the fan assembly
to the main board.
– Lift and remove the fan assembly
– Disconnect the sensor RF connections from the
main board.
– Disconnect the sensor flex connection(s) from
the main board.
– Disconnect the calibrator cable connection from
the main board.
– Disconnect the analog recorder output
connection(s) from the main board.
– Remove the EMI earth wires
the 9/32" Socket to remove the hex nut
attaching the EMI earth wires to the calibrator
assembly. Remove the earth wires and washers,
taking note of the assembly order.
88
Visual
and
Figure
5-7:
2
Figure 5-7
(Figure
5-8): Use
Figure 5-8
1
3
5
Keysight N1911A/1912A Service Guide
9
12
11
14
13
4
6
8
10
7
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