JUL 2020 Chapter 92 ENG Version Page 92.47
92-260 G493-1 Video Components Installation
A. Description
The video switcher is located in the rear equipment console and is used to select the
video signal source (nose camera, video recorder playback, or micro cameras). The
signal is then routed to the monitors, microwave transmitter, and video recorder.
B. Schematic
Refer to Figure 92-15 for G493-1 video components wiring diagram.
C. Removal
1. Refer to Figure 92-1. Turn battery & news equipment switches off and pull out
VID SW (2 amp) circuit breaker at panel.
2. Remove screws securing G472 face to G471 panels and remove face.
3. Supporting component(s), remove screws securing BENXT430X video router or
RH-AB video switch to G470-1 console assembly, as required.
4. Supporting component(s), disconnect G459 harness assembly from video router or
video switch as required and remove component.
D. Installation
1. Refer to Figure 92-1. Turn battery & news equipment switches off and pull out
VID SW (2 amp) circuit breaker at panel.
2. Connect G459 harness assembly to BENXT430X video router or RH-AB video
switch, as required.
3. Install screws securing video router or video switch to G470-1 console assembly,
as required. Verify security.
4. Install screws securing G472 face to G471 panels. Verify security.
5. Push in VID SW (2 amp) circuit breaker at panel. Turn battery & news equipment
switches on.
6. Perform appropriate functional checks per Ensemble Designs BrightEye NXT Routers
430 Guide. Turn battery & news equipment switches off.
E. Scheduled Inspections
Every 100-hour or annual inspection, inspect BENXT430X video router and RH-AB
video switch for proper installation (refer to R66 Illustrated Parts Catalog Chapter
92) & proper operation per Part D steps 5 and 6.
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