Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Garmin Manuals
Stereo System
GMA 340
Maintenance manual
Garmin GMA 340 Series Maintenance Manual
Audio panel
Hide thumbs
Also See for GMA 340 Series
:
Installation manual
(43 pages)
,
Pilot's manual
(12 pages)
,
Supplemental operation manual
(10 pages)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Table Of Contents
51
page
of
51
Go
/
51
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Description and Operation
General Description
Power Input Board Assembly
Main Board Assembly
Front Panel Board Assembly
Theory of Operation
Gma 340 Test Panel
Special Test Equipment
Introduction
Gma 340 Rear Connectors
Test Panel Parts List
Typical Test Panel Layout
Test Points
Construction Notes
Test Harness, J1 and 52 Pin Assignments
Test Panel Schematic Diagram (Sheet 2)
Audio Coax Cable Assembly
Troubleshooting
Front Panel Rear View, Connector J1 and 52 Location
Front Panel Connector Detail (Dual ADF in Parentheses)
Main Board Connector Detail
Main Board Component Location
Power Input Board Connector Detail
Power Input Board
Power on Check
28V Lighting
14V Lighting
Ptt Annunciator Check
Annunciator Failure
Front Panel Controls
Disassembling the Unit
Removing Top and Bottom Covers
Tools Required
Disassembly and Reassembly
Flexible Circuit Cable
Power-Input Board Assembly
Front Panel Assembly
Marker Beacon Lamp Rack Assembly
Installation Screw Shaft Assembly
Installing Top and Bottom Covers
Testing
General
Adjustment/Measurement Accuracy
Test Equipment Precautions
Test Equipment Setup
Bench Testing
Test Panel
Required Test Equipment
GMA 340 Test Connections
HP-8920B Default Settings
Test Panel Default Settings
Standard Test Signals
Input Voltages
Main Power
Microphone Input Signal
Marker Beacon Input Signal
Power off Check
Panel Lighting
Pilot Ptt Tests
14 V Lighting
28 V Lighting
Loaded Microphone Voltage Inputs
MASQ Inhibit
Audio Communication Check
Headset Outputs
Audio Gain
Speaker Outputs
Audio Frequency Response
Microphone Gain
Crew Microphone Frequency Response
Copilot Microphone
ICS Microphone Frequency Response
Pilot Microphone
Microphone Gain (ICS)
Microphone (PA) Gain
Squelch Characteristics
Auxiliary Entertainment (Music) Inputs
Music Frequency Response (Music 2 Not Available on 340 Dual ADP)
Music Mute Operation
Marker Beacon
Receiver Threshold
Airwayslnner Marker (3000 Hz)
Middle Marker (1300 Hz)
Outer Marker (400 Hz)
High Sensitivity Test
External Marker Lamp Outputs
Middle Marker Sense
Marker Mute
Isolation Mode Operational Checks
Replaceable Assemblies
List of Replaceable Parts
Assembly Drawings
GMA 340 Front Panel Assembly
Marker Lamp Rack Assembly, Front and Rear Detail
GMA 340 Final Assembly
Advertisement
Quick Links
1
Troubleshooting
Download this manual
The document reference is online, please check the correspondence between the online documentation and the printed version.
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the GMA 340 Series and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Garmin GMA 340 Series
GPS Garmin GMA 340 Installation Manual
(43 pages)
GPS Garmin GMA 340 Pilot's Manual
Audio panel (12 pages)
Control Panel Garmin 340 Pilot's Manual
Audio panel (12 pages)
Stereo System Garmin GMA 340 Supplemental Operation Manual
Cirrus design sr20 (10 pages)
Avionics Display Garmin GMA 340 Pilot's Manual
Audio panel (9 pages)
Avionics Display Garmin GMA 340 Pilot's Manual
Audio panel (8 pages)
GPS Garmin GMA 340 Pilot's Manual
(4 pages)
Stereo System Garmin GMA 342 Installation Manual
(65 pages)
Stereo System Garmin FUSION Apollo MS-WB670 Owner's Manual
Marine hideaway stereo (44 pages)
Stereo System Garmin FUSION Owner's Manual
Panel-stereo (10 pages)
Stereo System Garmin FUSION APOLLO RV-RA770 Installation Instructions Manual
(27 pages)
Stereo System Garmin Fusion MS-BB100 Owner's Manual
Black box entertainment system (12 pages)
Stereo System Garmin FUSION MS-RA210 Owner's Manual
Marine stereo (32 pages)
Stereo System Garmin FUSION Apollo MS-RA770 Owner's Manual
Marine stereo (46 pages)
Stereo System Garmin Fusion Apollo SRX400 Installation Instructions Manual
(21 pages)
Stereo System Garmin Fusion Apollo RA770 Installation Instructions Manual
Retrofit kit (14 pages)
Summary of Contents for Garmin GMA 340 Series
Page 1
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 2
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 3
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 4
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 5
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 6
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 7
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 8
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 9
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 10
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 11
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 12
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 13
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 14
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 15
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 16
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 17
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 18
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 19
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 20
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 21
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 22
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 23
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 24
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 25
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 26
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 27
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 28
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 29
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 30
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 31
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 32
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 33
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 34
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 35
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 36
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 37
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 38
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 39
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 40
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 41
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 42
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 43
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 44
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 45
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 46
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 47
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 48
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 49
The document reference is online, please check the correspondence between the online documentation and the printed version.
Page 50
The document reference is online, please check the correspondence between the online documentation and the printed version.
This manual is also suitable for:
Gma 340
Gma 340h
Gma 340 dual adf
Table of Contents
Save PDF
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the GMA 340 Series and is the answer not in the manual?
Questions and answers