GTX 327 MAINTENANCE MANUAL
Page 1-5
190-00187-05
Rev. B
1.5
SCOPE OF MAINTENANCE
GARMIN recommends limiting field maintenance to the following:
•
Functional inspection to meet current FAR requirements
•
Functional testing to the board level
•
Replacement of major subassemblies
•
Replacement of Flexible Circuit Cables
1.6
EQUIPMENT DESCRIPTION
The GTX 327 consists of four major electrical assemblies:
•
Main Board Assembly
•
Receiver Board
•
Transmitter Board
•
Front Panel Subassembly
Refer to figure 1-3 for a simplified system block diagram. The subassemblies are not field repairable. For a
complete list of all GARMIN authorized replaceable parts, see Table 6-1, Field Replaceable Parts List.
DIPLEXER
MAIN BOARD
LCD DISPLAY
AND
KEYBOARD
TRANSMITTER
MODULATOR
RECEIVER
Figure 1-3. GTX 327 Simplified System Block Diagram
The document reference is online, please check the correspondence between the online documentation and the printed version.