Technical data

Repair Guide 6
N1911A/1912A P-Series Power Meters Service Guide 109
Main Board vs. Rear Panel Assembly
Instructions Visual
• Due to a difference in the connector
positions for main board revision 102 and
revision 103, there are TWO different rear
panels
• Revision 102 main boards are not available
as spares – all spare main boards will be
revision 103 (or newer)
• When replacing a revision 102 main board,
take note that the rear panel will need to be
replaced
• Figure 6-21 and Figure 6-22 show where to
find the main board revision markings
Figure 6-21
Figure 6-22
Main Board Revision 102
Main Board Revision 103