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5
Repair Guide
Disassembly of replacement part
Front panel assembly (rear connectors
option)
Sensor flex assembly (front connectors
option)
Sensor flex assembly (rear connectors
option)
98
Instructions
– Remove handle, bumpers, and top clamshell
(including PSU)
– Disconnect calibrator semi-rigid from the rear panel
assembly
– Disconnect the calibrator assembly cable connection
from the main board
– Disconnect the EMI earth wires from the calibrator
assembly
– Disconnect main board ribbon cable from the front
panel
– Front panel assembly can now be removed
– [Remove front panel assembly as previously described]
– Use the N1912-61807 special tooling kit to remove the
sensor flex assembly
– Remove handle and front/rear Bumpers
– Remove top clamshell (including PSU)
– Disconnect the sensor RF connections from the main
board
– Disconnect the sensor flex connection from the main
board
– Use the N1912-61807 special tooling kit to remove the
sensor flex assembly
Keysight N1911A/1912A Service Guide
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