Page B-12
400 SERIES MAINTENANCE MANUAL
Rev. C
P/N 190-00140-05
B.4.2 J26
Table B-13. J26 Descriptions
Pin #
Pin Name
I/O
Description
1
+12 VDC
I
2
-12 VDC
I
3
+5 VDC
I
4
SERIAL_IN
I
Asynchronous serial input.
5
SERIAL_OUT
O
Asynchronous serial output.
6
DC_VOL_CONT
I
High impedance A/D input. In the unit it is fed by the center tap of a 20K
pot connected b5V and Gnd.
7
SPARE
Spare.
8
SPARE
Spare.
9
GND
I
Ground.
10
GND
I
Ground.
B.5
NAV BOARD CONNECTORS
B.5.1 J6
Table B-14. J6 Descriptions
Pin #
Pin Name
I/O
1
VOR/LOC +TO
O
2
VOR/LOC +FROM (COMMON)
O
3
VOR/LOC +FLAG
O
4
VOR/LOC –FLAG (COMMON)
O
5
VOR/LOC +LEFT
O
6
VOR/LOC +RIGHT (COMMON)
O
7
VOR/LOC IF AGC
O
8
VOR/LOC COMPOSITE OUT
O
9
VOR OBS ROTOR C
O
10
VOR OBS ROTOR H (GND)
O
11
VOR OBS STATOR E/G (VOR/LOC
COMMON)
I
12
VOR OBS STATOR F
I
13
VOR OBS STATOR D
I
14
PARALLEL DME - 8 MHZ
O
15
VOR/LOC SUPER FLAG OUT
O
Содержание GNC 420
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