Garmin GTX 327 ATC Manuals

Garmin GTX 327 ATC Manuals

Manuals and User Guides for Garmin GTX 327 ATC. We have 1 Garmin GTX 327 ATC manual available for free PDF download: Maintenance Manual

Garmin GTX 327 ATC Maintenance Manual

Garmin GTX 327 ATC Maintenance Manual (58 pages)

Brand: Garmin | Category: Marine Radio | Size: 1.1 MB

Table of Contents

Table of Contents
4
Introduction
9
General Description
9
Purpose of Equipment
10
ATCRBS System Operation
10
1.3.2 Interrogator
11
Transponder
11
Radar Screen, TCAS Display
12
Mutual Suppression Pulses
12
Technical Specifications
12
Scope of Maintenance
13
Equipment Description
13
Main Board Assembly
14
Front Panel
14
Transmitter
14
Receiver
14
Diplexer Coax Cable
15
Flexible Circuit Cables
15
Special Test Equipment

17
- Introduction
  17
- Special Tools and Test Equipment
  17
- Antenna Test Cable Connector
  17
- Test Harness
  18
- Transponder Bench Test
  18
Troubleshooting

22
- Troubleshooting Equipment
  22
- Troubleshooting the Gtx 327
  22
- Initial Inspection of Unit
  23
- Functional Test, Standard Test Setup and Test Signal
  23
- Power on Check
  23
- Main Board Assembly
  24
- Display Assembly
  24
- Receiver and Transmitter Assemblies
  26
Disassembly and Reassembly

32
- Introduction
  32
- Required Tools
  32
- Disassembling the Unit
  32
- Removing the Bottom Cover
  33
- Flexible Circuit Cables
  33
- Front Panel Assembly
  33
- Display Assembly
  34
- Receiver Module Assembly
  34
- Transmitter Board
  34
- Main Board
  35
- Reassembly
  36
- Main Board
  36
- Transmitter Board
  37
- Receiver Module Assembly
  37
- Display Assembly
  38
- Front Panel Assembly
  38
- Flexible Circuit Cables
  38
- Installing Bottom Cover
  39
- Introduction
  40
- General
  40
- Adjustment/Measurement Accuracy
  40
- Test Equipment Precaution
  41
- Required Test Equipment
  41
- Test Harness
  41
- Bench Testing
  41
- Test Equipment Setup
  41
- ATC-1400A and Oscilloscope Default Settings
  43
- Standard Test Signals
  43
- Input Voltages
  43
- Rf I/O
  43
- Power on Check
  43
- Panel Lighting
  44
- Power on Test
  44
- Display Dimming Test
  45
- Switched Power Output
  45
- 5.11 Front Panel Pushbutton Controls
  45
- Timer Function Test
  46
- Code Selector Pushbutton Switches
  46
- Configuration
  46
- 5.12 Functional Test
  46
- Receiver Test, Minimum Trigger Level and Dynamic Range
  47
- Transmitter Power Output and Reply Annunciator Test
  47
- Transmitter Characteristics
  47
- Reply Rate Limiting Test
  49
- Side Lobe Suppression
  49
- IDENT Test
  50

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