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Page x 400 SERIES MAINTENANCE MANUAL
P/N 190-00140-05 Rev. C
LIST OF FIGURES
Figure Page
2-1 Com Chassis Nut.................................................................................................2-1
2-2 Signal And Load Drawing-J1 (Sheet 1 of 2) ........................................................2-3
2-3 Signal And Load Drawing-J1 (Sheet 2 of 2) ........................................................2-5
2-4 Signal And Load Drawing-J2 ...............................................................................2-7
2-5 Signal And Load Drawing-J6 ...............................................................................2-9
3-1 Main Board Fuse Locations .................................................................................3-2
3-2 Com Board Fuse Location/F600..........................................................................3-3
3-3 Com Board Fuse Location/F600 (Replaced by R611).........................................3-3
3-4 Nav Board Fuse Locations ..................................................................................3-4
3-5 Processor Location (Main Board) ........................................................................3-7
3-6 External Connectors ..........................................................................................3-15
3-7 400 Series Block Diagram .................................................................................3-17
4-1 Nav Data Card Installation And Removal ............................................................4-2
4-2 Memory Battery Location (Main Board) ...............................................................4-7
5-1 40dB Attenuator Circuit........................................................................................5-3
5-2 Com Setup Page .................................................................................................5-9
5-3 R558 (Com Board).............................................................................................5-11
5-4 Test Pages.........................................................................................................5-13
5-5 Modulation Measurement ..................................................................................5-16
5-6 VOR/LOC/GS CDI Test Page............................................................................5-32
5-7 Main Lighting and Main Analog Test Pages ......................................................5-44
5-8 GPS Test Page..................................................................................................5-45
5-9 Main CDI/OBS Configuration Test Page ...........................................................5-47
5-10 Main Discrete Outputs Test Page......................................................................5-49
5-11 Main Discrete Inputs Test Page.........................................................................5-51
5-12 Main Status/Loopback Test Page......................................................................5-52
5-13 Main CDI/OBS Configuration Page ...................................................................5-54
7-1 Sub-Assembly, GNS 430 (Dwg. No. 015-00280-XX, Rev. P)..............................7-3
7-2 Main Chassis Assembly, GNS 430(A) (Dwg. No. 015-00283-00, Rev. Q) ..........7-5
7-3 Nav Chassis Assembly, GNC 400 (Dwg. No. 015-00282-00, Rev. K).................7-7
7-4 GNC 4XX CDU Assembly (Sheet 1 of 2) (Dwg. No. 015-00281-XX, Rev. F)......7-9
7-4 GNC 4XX CDU Assembly (Sheet 2 of 2) (Dwg. No. 015-00281-XX, Rev. F)....7-11
7-5 Sub-Assembly, GNC 420 (Dwg. No. 015-00506-XX, Rev. N) ...........................7-13
7-6 Main Chassis Assembly, GNC 420(A) (Dwg. No. 015-00283-01, Rev. J ) ........7-15
7-7 Sub-Assy, GNC 420 Nav Chas, W/O Nav (Dwg. No. 015-00282-01, Rev. E ).7-17
7-8 Sub-Assy, GNC 420A (Dwg. No. 015-00837-XX, Rev. A )................................7-19
7-9 Main Chassis Assembly, GPS 400 (Dwg. No. 015-00283-03, Rev. J) ..............7-21
7-10 Assy Dwg, GPS 400 (Dwg. No. 015-00504-XX, Rev. G)...................................7-23