Page 92.18 Chapter 92 ENG Version JUL 2020
92-160 G449 Forward Monitors Installation
A. Description
The forward monitor installation consists of two small LCD monitors mounted to the
left and right of the instrument console. The right monitor displays nose camera,
micro camera, or video tape recorder images as selected by the video switcher. The
left monitor displays TV broadcasts as selected by the TV tuner.
B. Schematic
Refer to Figure 92-7 for G449 forward monitors installation wiring diagram.
C. Removal
1. Refer to Figure 92-1. Turn battery & news equipment switches off and pull out 7”
MONS (2 amp) circuit breaker at panel.
2. Disconnect G459 harness assembly from BVB07 monitor(s). Supporting monitor(s),
remove screws securing monitor(s) to G474 bracket assembly and remove monitor(s).
D. Installation
1. Refer to Figure 92-1. Turn battery & news equipment switches off and pull out 7”
MON (2 amp) circuit breaker at panel.
2. Install screws securing BVB07 monitor(s) to G474 bracket assembly. Verify
security.
3. Connect G459 harness assembly to monitor; verify security.
4. Push in 7” MON (2 amp) circuit breaker at panel. Turn battery & news equipment
switches on.
5. Perform appropriate functional checks per Boland Communications BVB07 User
Manual. Turn battery & news equipment switches off.
E. Scheduled Inspections
Every 100-hour or annual inspection, inspect BVB07 monitor(s) for proper installation
(refer to R66 Illustrated Parts Catalog Chapter 92) & proper operation per Part D steps
4 and 5.
F. Special Inspections
1. Refer to Figure 92-1. Turn battery & news equipment switches off. Open circuit
breaker panel.
2. As required, remove BVB07 monitor(s) per Part C. Inspect condition of and verify
no obvious damage to monitor(s), G474 bracket assemblies, circuit breaker, and
wiring. Verify no loose, chafed, or broken wires or terminals. Verify no evidence
of arcing. Verify equipment security.
3. Secure circuit breaker panel. Install monitor(s) per Part D if removed.
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