Technical data

N1911A/1912A P-Series Power Meters
Service Guide
6
Repair Guide
Introduction 60
Replaceable Parts 61
Front Panel Assembly 61
Main Board Assembly 69
PPMC (Processor PCI Mezzanine) Assembly 70
DAP (Digital Acquisition & Processing) Assembly 71
PSU (Power Supply Unit) 72
Rear Panel Assembly 73
Additional Spare Parts 76
Calibrator Assembly 77
Improved calibrator assembly 78
Outer Housing Components 79
Sundries 81
Tools Required 82
Required Torque Values for Fasteners 83
Disassembly Instructions 84
Reassembly Instructions 92
Disassembly vs Part Replacement 95
Front Panel Disassembly Instructions 98
Front Panel Reassembly Instructions 103
Additional Repair Notes 108
Replacing the PPMC Assembly 110
Replacing the Calibrator Semi-Rigid/Split Ferrite 111
This chapter details the power meter’s replaceable parts. It also explains
how to assemble and disassemble the power meter.