400 SERIES MAINTENANCE MANUAL
Page B-1
P/N 190-00140-05
Rev. C
APPENDIX B
CONNECTOR I/O DESCRIPTIONS
B.1
I/O DESCRIPTION
This appendix contains tables describing various I/O information used in the 400 Series.
Table B-1. I/O Descriptions
IO Code
Description
I
INPUT
O
OUTPUT
B
BI-DIRECTIONAL
B.2
INTERNAL AND EXTERNAL CONNECTORS
Table B-2. Internal and External Connections
Board
Connector
Designation
Interface
MAIN BOARD
J1
Aircraft Mounting Rack
J8
GPS Module
J9
Nav and Glideslope
J11
Com Board
J12
LCD Flex
J14
Data Base Card Flex
J16
Map Board
J17
Fan
P13
Inverter Board
COM (GNC 420 AND GNS
430 ONLY)
J2
J4
Aircraft Mounting Rack
Antenna In/Out
J26
Main Board
NAV (GNS 430 ONLY)
J6
J5
Aircraft Mounting Rack
Antenna In
J10
Main Board
J24
Glideslope
GLIDESLOPE (J7; GNS 430
ONLY)
J25
J7
Connects Nav and Glideslope
Antenna In
KEYBOARD
J23
LCD Flex