Theory Of Operation - Garmin GMA 347 Maintenance Manual

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2.3 THEORY OF OPERATION
The audio panel contains three major replaceable assemblies:
• Main Board Assembly
• Audio Board Assembly
• Front Panel Board Assembly
The three major assemblies are shown in the block diagram in Figure 2‐2.
GMA 347 Maintenance Manual
190‐00325‐02
Figure 2‐2. GMA 347 Block Diagram
Page 2‐5
Rev. A