1-7 Replaceable Parts and Assemblies Chapter 1 — General Information
1-6 PN: 10580-00324 Rev. N S412E MM
1-7 Replaceable Parts and Assemblies
To ensure that the correct options are provided on the replacement assembly when ordering either a Main PCB
Assembly or Main/SPA PCB Assembly, all installed instrument options must be declared on the order.
The installed options are listed on a label on the top of the S412E. They can also be viewed in the
System/Status display.
The table below summarizes the available replaceable parts and assemblies.
Table 1-5. List of Replaceable Parts and Assemblies (1 of 2)
Part Number Description
ND72107 Main/VNA PCB Assembly
a
(For unit serial numbers less than 1545041, does not include GPS
Receiver Module)
ND82054 Main/VNA PCB Assembly
a
(For unit serial numbers greater than 1545040 and less than 1606078:
does not include GPS Receiver Module, does include Ethernet hardware)
ND82188 Main/VNA PCB Assembly
a
(For unit serial numbers greater than 1606077: does not include GPS
Receiver Module, does include Ethernet hardware)
ND72121 SPA PCB Assembly
ND72122 Signal Generator PCB for Rev 1 units, unit s/n < 1243137
ND75326 Signal Generator PCB for Rev 2 units, 1243137 < unit s/n < 1501000
ND81073 Signal Generator PCB, for Rev 2 and Rev 3 units, 1501000 < unit s/n < 1617083
ND82567 Signal Generator PCB for Rev 4 units, unit s/n > 1617082
ND70320 GPS Receiver Module, Option 31
3-71585 Model S412E ID Label
3-15-147 LCD Display, Units with serial numbers less than 1329107
3-15-165 LCD Display, Units with serial numbers greater than 1329107 and less than 1606078
3-15-174 LCD Display, Units with serial numbers greater than 1606077
3-68567-3 Inverter PCB Assembly for LCD Backlight, Units with serial numbers below 1329107
2000-1654-R Soft Carrying Case
ND73191 Front Case with Gasket (excludes Model ID label, LCD, touchscreen, encoder and keypad
assemblies.)
ND74508 Front Case Kit (includes Keypad PCB, Rubber Keypad, Keypad Washers, Keypad Screws,
Encoder, Encoder Knob, Speaker Assembly with gaskets)
ND73199 Back Case (Excludes Tilt Bale)
ND73201 Battery Door
3-69770-4 Top Bumper
3-69771-4 Bottom Bumper
633-75 7500 mAh Li-ion Battery Pack
3-513-100 RF Connector used on SPA and Signal Generator PCB
3-513-105 RF Connector used on VNA ports 1 and 2
40-187-R AC to DC Power Adapter
3-410-103 Encoder (excluding knob)
3-61360-2 Knob (excluding encoder)
ND73200 Tilt Bail Assembly
ND81940 Fan Assembly
ND75294 Main Numeric Keypad
3-72773 Rubber Keypad
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