General Information 1-4 Replaceable Parts
S331L MM PN: 10580-00323 Rev. B 1-3
1-4 Replaceable Parts
1-5 Firmware Updates
Refer to the S331L User Guide (Anritsu Part Number 10580-00321) for the procedure on updating the
firmware.
Table 1-2. List of Replaceable Parts
Part Number Description
ND72098 S331L MB/VNA PCB Assembly Including SOM Module and Shields
3-2000-1674 SOM Module
ND72099 Power Meter / InstaCal Module with 4 screws
3-15-160 LCD Display including Touch Screen
2000-1676-R Soft Carrying Case
3-72223 Stylus Pen and Leash (attaches to the Soft Carrying Case)
ND74880 Front Case with model ID label, Encoder and Knob
ND74881 Rear Case with 4 screws, Anritsu Label, SN Label and Windows License
3-72332-1 Model S311L ID Label
ND74882 Battery Cover with 6 screws
ND74886 Li-ion Batteries (Qty 2)
ND74895 USB Cover
ND74883 Top Plate with 6 screws
3-72321 Top Bumper
3-72307-2 Bottom Bumper
ND74884 N Connector Plate with cover, nut and washer
3-72317-1 Keypad to Main board cable
3-70674-3 LCD to Main board cable
40-187-R AC to DC Power Converter
ND72100 Keypad PCB, includes speaker and 8 screws
3-71015 Rubber Keypad
3-61360-2 Knob (excluding encoder)
3-72305 Front LCD Gasket
3-72315 Rear LCD Gasket
ND74885 Bracket for the Main Board, includes battery foam and 8 screws
2000-1687-R N-connector Thumb Wheel