Keysight N1914A - Disassembly Vs Part Replacement

Repair Guide 6
Keysight N1913/1914A Service Guide 117
Disassembly vs Part Replacement
Disassembly of replacement part Instructions
Main board/Rear panel assembly/Bottom clamshell Full strip-down required
PSU/Top clamshell
– Remove handle, bumpers, and top clamshell (including PSU)
– PSU can now be removed from the top clamshell
Fan assembly
– Remove handle, bumpers, and top clamshell (including PSU)
– Disconnect fan assembly from the main board
– Fan assembly can now be removed
PPMC assembly
(Front connectors option)
– Remove handle, bumpers, and top clamshell (including PSU)
– Disconnect the main board ribbon cable from the PPMC
– Disconnect the service connector cable from the PPMC
– Dismantle rear USB assembly N1913-68301 or
N1913-68302 (if applicable)
– Remove the four screws securing the PPMC to the main
board
– PPMC assembly can now be removed
PPMC assembly
(Rear connectors option)
– Remove handle, bumpers, and top clamshell (including PSU)
– Disconnect the sensor flex connection(s) from the main
board
– Disconnect the main board ribbon cable from the PPMC
– Disconnect the service connector cable from the PPMC
– Dismantle rear USB assembly N1913-68301 or
N1913-68302 (if applicable)
– Remove the four screws securing the PPMC to the main
board
– PPMC assembly can now be removed