5
Repair Guide
88
Keysight N1911A/1912A Service Guide
– With reference to
Figure 5-6
and
Figure 5-7
:
– 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.
Figure 5-7
– Remove the EMI earth wires (
Figure 5-8
): Use
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.
Figure 5-8
Instructions
Visual
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4
5
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