Garmin G3X - Page 418

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 24-18
Figure 24-2.2 GAD 27 Interconnect Backlighting Example (page 4 of 5)
GAD 27
J271
LIGHTING CONTROL IN 2
LIGHTING CONTROL IN 1
40
39
DC LIGHTING 2
DC LIGHTING 1
43
42
LIGHTING CONTROL IN 3
41
+12V OUTPUT 37
10K
10K
10K
(NOT USED TO POWER LAMPS)
DC LIGHTING 3 44
PWM LIGHTING 1
45
PWM LIGHTING 2 46
(USED TO POWER LAMPS)
PWM LIGHTING 3 47
LIGHTING BUS SUPPORT
LIGHTING CONTROL POTS (1 TO 3 MAY BE USED)
EACH OF 6 LIGHTING BUSES MAY BE ASSIGNED TO ANY CONTROL
GMA 240
LIGHTING BUS 14V LO
LIGHTING BUS 14V HI6
5
AUDIO PANEL
LIGHTING BUS 14V HI7
1
14 VDC
J2402
GDU 4XX
14V LIGHTING BUS HI43
PFD1
P4X02
GDU 4XX
14V LIGHTING BUS HI43
MFD1
P4X02
GDU 4XX
14V LIGHTING BUS HI43
PFD2
P4X02
GMA 245
14V LIGHTING BUS HI6
P2402
GTR 200
LIGHTING BUS IN3
COM RADIO
P2001
GTN 6XX/7XX
LIGHTING BUS 1 HI18
NAVIGATOR
P1001
7
5
14V LIGHTING BUS HI
14V LIGHTING BUS LO
AUDIO PANEL
LIGHTING BUS 1 LO17
14 VDC
GLARE SHIELD LED STRIP LIGHTING
1
TO PIN 38
TO PIN 38
TO PIN 38
LIGHTING BUS GROUND 38
CONNECT TO GROUND SIDE
OF LIGHTING CONTROL POTS
REFERENCE VOLTAGE OUTPUTS, 0-14V, 10 mA MAX EACH PIN
PWM LAMP DRIVERS, ACTIVE LOW, 500 mA AVERAGE MAX CURRENT EACH PIN