Garmin GNS 430 - MAIN Lateral LEFT, RIGHT Outputs; MAIN Vertical UP, down Outputs; MAIN To;From Output

400 SERIES MAINTENANCE MANUAL Page 5-47
P/N 190-00140-05 Rev. C
Figure 5-9. Main CDI/OBS Configuration Test Page
5.7.6.13 MAIN Lateral LEFT, RIGHT Outputs
Measure J1-21 (output) relative to J1-22 (output) [Load—333 ohms (three 1000 ohm loads)
across J1-21 and J1-22]. Note that full left/right (r150 mV) are also available selections but are
not tested.
 MAX LEFT ______ (+300
r 15 mV)
 CENTER ______ (0
r 4.5 mV)
 MAX RIGHT ______ (-300
r 15 mV)
5.7.6.14 MAIN Vertical UP, DOWN Outputs
1. Measure J1-27 (output) relative to J1-28 (output) [Load—333 ohms (three 1000 ohm loads)
across J1-27 and J1-28].
2. Note that full up/down (r150 mV) are also available selections but are not tested.
 MAX UP ______ (+300
r 30 mV)
 CENTER ______ (0
r 4.5 mV)
 MAX DOWN ______ (-300
r 30 mV)
5.7.6.15 MAIN To/From Output
Measure J1-25 relative to J1-26. Load—67 ohms (Three 200 ohm loads) across J1-25 and J1-26.
 TO ______ (+190
r 40 mV)
 HIDDEN ______ (0
r 5 mV)
 FROM ______ (-190
r 40 mV)