Garmin APOLLO GX SERIES, Service Manual

Page: 55 / 166

Garmin AT Rev --
© 2004 Garmin AT GX Service Manual 7-17
Test Equipment Setup
Installing the SL Display on the GX Unit for Comm Testing
An SL display assembly must be temporarily installed on a GX60 or GX65 for test purposes only.
Parts Required
•
SL Display Assembly (Contact UPS Aviation Technologies Sales Dept. for part number and
ordering.)
Installation
1. Power the unit off.
2. Remove the chassis cover (see Chassis Cover Replacement procedure).
3. Unplug the ribbon cable J606 on the Comm board.
4. Plug the SL display into J603 on the Comm board. The red wire on the ribbon cable goes towards
the front of the chassis (pin 1).
5. Turn on the SL display. There may be garbled characters on the right side of the SL40 display.
Ignore them. The left part of the display contains the needed information.
Removal
1. Turn off the SL display.
2. Unplug the SL display from J603.
3. Plug in J606 on the Comm board (see Figure 8-4).
4. Test the unit to verify proper operation (see Return to Service Procedures).
5. Replace the chassis cover (see Chassis Cover Replacement procedure).