A. References
 (1)  
20-10-01/401, E/E Rack-Mounted Components

 (2)  
23-32-00/501, Passenger Entertainment (Video) System

 B. Access
 (1)  Location Zone
 252 Passenger Cabin - section 46 (Right)

 C. System Control Unit Installation
 S 424-094
 (1)  
GUN 102-199;
 Install the system control unit (AMM 20-10-01/401).

 S 424-107

 (2)  
GUN 008-101; Do these steps at the video control center to install the SCU.

 (a)  
Attach the adapter plate to the bottom of the SCU (4 screws).

 (b)  
Put the unit on the shelf.

 (c)  
Attach the electrical connectors on the rear of the unit.

 (d)  
Move the SCU back to the usual position on the shelf.

 (e)  
Lift the front of the SCU a little, and move it until the adapter plate tab behind the SCU catches the slot in the shelf.

 (f)  
Install 2 screws along the front edge of the adapter plate.

 D. System Control Unit Installation Test
 S 864-058
 (1)  Remove DO-NOT-CLOSE tag, and close this circuit breaker on the overhead circuit breaker panel, P11.
 (a)  11H30, VIDEO SYS DC
 S 864-059
 (2)  Remove DO-NOT-CLOSE tags, and close these circuit breakers on the P37 panel:
 (a)  
37B8, MULTIPLEXER

 (b)  
37A6, VIDEO SYSTEM (MAIN BUS) MONITOR FWD

 (c)  
37A7, VIDEO SYSTEM (MAIN BUS) MONITOR AFT

 (d)  
37A8, VIDEO SYSTEM (MAIN BUS) SYSTEM AC

 (e)  
37C6, VIDEO SYSTEM (UTIL BUS) MONITOR FWD

 (f)  
37C7, VIDEO SYSTEM (UTIL BUS) MONITOR AFT

 (g)  
37C8, VIDEO SYSTEM (UTIL BUS) SYSTEM AC

 S 714-094
 (3) Do an operational test of the video system (Ref 23-32-00/501).
 (a)  Make sure the installed unit operates.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH VIDEO ENTERTAINMENT ú

 23-32-03
 ú ú 04 Page 403 ú Jan 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 VIDEO TAPE REPRODUCER - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  This procedure has two tasks. The first task removes the video tape reproducer (VTR). The second task installs the VTR and does a test of the installation.
 B.  The video tape reproducer is in the video control center. It attaches to the support pallet in the control center by an adapter plate on the bottom of the unit.
 TASK 23-32-04-024-001
 2.  Video Tape Reproducer Removal_____________________________(Fig. 401)
 A.  References
 (1)  20-10-01/401, E/E Rack-Mounted Components
 B.  Access
 (1)  Location Zone
 252 Passenger Cabin - section 46 (Right)

 C.  Prepare for the Removal
 S 864-002
 (1)  Open this circuit breaker on the overhead circuit breaker panel, P11, and attach a DO-NOT-CLOSE tag:
 (a)  11H30, VIDEO SYS DC
 S 864-003
 (2)  Open these circuit breakers on the right miscellaneous electrical equipment panel, P37, and attach DO-NOT-CLOSE tags:
 (a)  
37A6, VIDEO SYSTEM (MAIN BUS) MONITOR FWD

 (b)  
37A7, VIDEO SYSTEM (MAIN BUS) MONITOR AFT

 (c)  
37A8, VIDEO SYSTEM (MAIN BUS) SYSTEM AC

 (d)  
37C6, VIDEO SYSTEM (UTIL BUS) MONITOR FWD

 (e)  
37C7, VIDEO SYSTEM (UTIL BUS) MONITOR AFT

 (f)  
37C8, VIDEO SYSTEM (UTIL BUS) SYSTEM AC

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH VIDEO ENTERTAINMENT ú

 23-32-04
 ú ú 02 Page 401 ú Dec 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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