106 34980A Service Guide
4 Troubleshooting and Diagnostics
34932A Dual 4x16 Armature Matrix
The 34932A dual 4x16 armature matrix contains two matrices, each with 64 2-wire
crosspoint latching armature relays organized in a 4-row by 16-column configuration.
Every row and column are made up of two wires each, a high (H) and a low (L). Each
crosspoint relay has a unique channel number representing the row and column that
intersect to create the crosspoint. For example, channel 315 represents the crosspoint
connection between row 3 and column 15 (all columns consisting of two digits; in this
case the digits are 15). See the simplified schematic below.
Matrix 1 and Matrix 2 are electrically separate from one another.
Matrix Relays: Armature latching. Analog Bus Relays: Armature non-latching
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