Garmin APOLLO GX SERIES, Service Manual

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Garmin AT Rev --
2-8 GX Service Manual © 2004 Garmin AT
Electrical
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Input voltage
−
10 VDC to 40 VDC, reverse polarity protected
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Input current (GPS navigation input)
−
500 mA typical, 750 mA max at 13.75 VDC
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250 mA typical, 375 mA max at 27.5 VDC
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Input current (communication input - GX60/65 only)
−
270 mA typical, 2 A max at 13.75 VDC, receive
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130 mA typical, 900 mA max at 27.5 VDC, receive
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2.1A typical, 3.2 A max at 13.75, transmit
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1.0A typical, 1.4 A max at 27.5 VDC, transmit
•
Input power (GPS navigation input)
−
7 watts typical
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Input power (communication input - GX60/65 only)
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3.7 watts typical, receive
−
28 watts typical, transmit
GX50 and GX60/65 Avionics Outputs
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CDI L/R deviation ± 150 mV full scale
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TO/OFF/FROM flag ± 250 mV, TO/FROM indication
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Navigation valid flag +300 mV for valid indication
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Navigation superflag 400 mA source
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VDI up/down ± 150 mV
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VDI valid flag +300 mV
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VDI superflag 400 mA source
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Annunciators
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MSG (message)
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PTK (parallel track)
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OBS/HLD (waypoint sequencing hold) GX50/60 only
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APPRCH (approach enabled) GX50/ 60 only
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ACTIVE (approach active) GX50/60 only